The Number

640068

Six Hundred and Forty Thousand and Sixty-Eight

Nearby Numbers

Positive, nonzero integers within three units

640065
Six Hundred and Forty Thousand and Sixty-Five
640066
Six Hundred and Forty Thousand and Sixty-Six
640067
Six Hundred and Forty Thousand and Sixty-Seven
640069
Six Hundred and Forty Thousand and Sixty-Nine
640070
Six Hundred and Forty Thousand and Seventy
640071
Six Hundred and Forty Thousand and Seventy-One

Scientific Notation

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

6.40068e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000015623340020122862

The reciprocal of 640068.

Palindrome?

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

The number 640068 is not a palindrome.

Not A Prime Number

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

Six hundred and forty thousand and sixty-eight is a composite number with 48 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and sixty-eight is a composite number with 48 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 six hundred and forty thousand and sixty-eight has the following 5 prime factors:

2
Two
3
Three
11
Eleven
13
Thirteen
373
Three Hundred and Seventy-Three

Prime Factorization

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

22 · 31 · 111 · 131 · 3731 = 640068

Base Conversions

The number six hundred and forty thousand and sixty-eight in 35 different bases