21397664829121

21,397,664,829,121 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21397664829121 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 27 divisors.

21397664829121 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-seven divisors.

Prime factorization of 21397664829121:

7² × 29² × 22787²

(7 × 7 × 29 × 29 × 22787 × 22787)

See below for interesting mathematical facts about the number 21397664829121 from the Numbermatics database.

Names of 21397664829121

Cardinal: 21397664829121 can be written as Twenty-one trillion, three hundred ninety-seven billion, six hundred sixty-four million, eight hundred twenty-nine thousand, one hundred twenty-one.

Scientific notation

Scientific notation: 2.1397664829121 × 10¹³

Factors of 21397664829121

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 22823

Divisors of 21397664829121

Number of divisors d(n): 27
Complete list of divisors:
1 7 29 49 203 841 1421 5887 22787 41209 159509 660823 1116563 4625761 19163867 32380327 134147069 519247369 939029483 3634731583 15058173701 25443121081 105407215907 436687037329 737850511349 3056809261303 21397664829121
Sum of all divisors σ(n): 25780205484579
Sum of proper divisors (its aliquot sum) s(n): 4382540655458
21397664829121 is a deficient number, because the sum of its proper divisors (4382540655458) is less than itself. Its deficiency is 17015124173663

Bases of 21397664829121

Binary: 100110111011000001000001101100000111011000001₂
Hexadecimal: 0x137608360EC1
Base-36: 7L1Y961MP

Squares and roots of 21397664829121

21397664829121 squared (21397664829121²) is 457860060139401834129632641
21397664829121 cubed (21397664829121³) is 9797136105504104530530599810945768938561
21397664829121 is a perfect square number. Its square root is 4625761
The cube root of 21397664829121 is 27762.3011033119

Scales and comparisons

How big is 21397664829121?

21,397,664,829,121 seconds is equal to 680,379 years, 28 weeks, 5 days, 17 hours, 52 minutes, 1 second.
To count from 1 to 21,397,664,829,121 would take you about one million, seven hundred thousand, nine hundred forty-eight years!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 21397664829121 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21397664829121

21397664829121 backwards is 12192846679312
The number of decimal digits it has is: 14
The sum of 21397664829121's digits is 61
More coming soon!

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The information we have on file for 21397664829121 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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