The Number

128890

One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety

Nearby Numbers

Positive, nonzero integers within three units

128887
One Hundred and Twenty-Eight Thousand Eight Hundred and Eighty-Seven
128888
One Hundred and Twenty-Eight Thousand Eight Hundred and Eighty-Eight
128889
One Hundred and Twenty-Eight Thousand Eight Hundred and Eighty-Nine
128891
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-One
128892
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-Two
128893
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-Three

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.28890e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007758553805570642

The reciprocal of 128890.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 128890 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and twenty-eight thousand eight hundred and ninety is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand eight hundred and ninety is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and twenty-eight thousand eight hundred and ninety has the following 3 prime factors:

2
Two
5
Five
12889
Twelve Thousand Eight Hundred and Eighty-Nine

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

21 · 51 · 128891 = 128890

Base Conversions

The number one hundred and twenty-eight thousand eight hundred and ninety in 35 different bases