21301409988
21,301,409,988 is an even composite number composed of five prime numbers multiplied together.
What does the number 21301409988 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.
21301409988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21301409988:
22 × 32 × 53 × 181 × 61681
(2 × 2 × 3 × 3 × 53 × 181 × 61681)See below for interesting mathematical facts about the number 21301409988 from the Numbermatics database.
Names of 21301409988
- Cardinal: 21301409988 can be written as Twenty-one billion, three hundred one million, four hundred nine thousand, nine hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1301409988 × 1010
Factors of 21301409988
Divisors of 21301409988
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 9 12 18 36 53 106 159 181 212 318 362 477 543 636 724 954 1086 1629 1908 2172 3258 6516 9593 19186 28779 38372 57558 61681 86337 115116 123362 172674 185043 246724 345348 370086 555129 740172 1110258 2220516 3269093 6538186 9807279 11164261 13076372 19614558 22328522 29421837 33492783 39229116 44657044 58843674 66985566 100478349 117687348 133971132 200956698 401913396 591705833 1183411666 1775117499 2366823332 3550234998 5325352497 7100469996 10650704994 21301409988
- Sum of all divisors σ(n): 55165173336
- Sum of proper divisors (its aliquot sum) s(n): 33863763348
- 21301409988 is an abundant number, because the sum of its proper divisors (33863763348) is greater than itself. Its abundance is 12562353360
Bases of 21301409988
- Binary: 100111101011010100110111000110001002
- Hexadecimal: 0x4F5A9B8C4
- Base-36: 9SAB550
Squares and roots of 21301409988
- 21301409988 squared (213014099882) is 453750067476866160144
- 21301409988 cubed (213014099883) is 9665516219407390782630609118272
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The
square root of 21301409988 is 145950.0256526185 -
The
cube root of 21301409988 is 2772.0610060723
Scales and comparisons
How big is 21301409988?- 21,301,409,988 seconds is equal to 677 years, 16 weeks, 4 days, 2 hours, 19 minutes, 48 seconds.
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To count from 1 to 21,301,409,988 would take you about one thousand, three hundred fifty-four 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 21301409988 cubic inches would be around 231 feet tall.
Recreational maths with 21301409988
- 21301409988 backwards is 88990410312
- The number of decimal digits it has is: 11
- The sum of 21301409988's digits is 45
- More coming soon!
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