The Number

201989

Two Hundred and One Thousand Nine Hundred and Eighty-Nine

Nearby Numbers

Positive, nonzero integers within three units

201986
Two Hundred and One Thousand Nine Hundred and Eighty-Six
201987
Two Hundred and One Thousand Nine Hundred and Eighty-Seven
201988
Two Hundred and One Thousand Nine Hundred and Eighty-Eight
201990
Two Hundred and One Thousand Nine Hundred and Ninety
201991
Two Hundred and One Thousand Nine Hundred and Ninety-One
201992
Two Hundred and One Thousand Nine Hundred and Ninety-Two

Scientific Notation

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

2.01989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004950764645599513

The reciprocal of 201989.

Palindrome?

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

The number 201989 is not a palindrome.

Not A Prime Number

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

Two hundred and one thousand nine hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and one thousand nine hundred and eighty-nine is a composite number with 4 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 two hundred and one thousand nine hundred and eighty-nine has the following 2 prime factors:

19
Nineteen
10631
Ten Thousand Six Hundred and Thirty-One

Prime Factorization

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

191 · 106311 = 201989

Base Conversions

The number two hundred and one thousand nine hundred and eighty-nine in 35 different bases