21007987120
21,007,987,120 is an even composite number composed of six prime numbers multiplied together.
What does the number 21007987120 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.
21007987120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21007987120:
24 × 5 × 43 × 103 × 211 × 281
(2 × 2 × 2 × 2 × 5 × 43 × 103 × 211 × 281)See below for interesting mathematical facts about the number 21007987120 from the Numbermatics database.
Names of 21007987120
- Cardinal: 21007987120 can be written as Twenty-one billion, seven million, nine hundred eighty-seven thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.100798712 × 1010
Factors of 21007987120
Divisors of 21007987120
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 16 20 40 43 80 86 103 172 206 211 215 281 344 412 422 430 515 562 688 824 844 860 1030 1055 1124 1405 1648 1688 1720 2060 2110 2248 2810 3376 3440 4120 4220 4429 4496 5620 8240 8440 8858 9073 11240 12083 16880 17716 18146 21733 22145 22480 24166 28943 35432 36292 43466 44290 45365 48332 57886 59291 60415 70864 72584 86932 88580 90730 96664 108665 115772 118582 120830 144715 145168 173864 177160 181460 193328 217330 231544 237164 241660 289430 296455 347728 354320 362920 434660 463088 474328 483320 578860 592910 725840 869320 934519 948656 966640 1157720 1185820 1244549 1738640 1869038 2315440 2371640 2489098 2549513 3738076 4672595 4743280 4978196 5099026 6106973 6222745 7476152 9345190 9956392 10198052 12213946 12445490 12747565 14952304 18690380 19912784 20396104 24427892 24890980 25495130 30534865 37380760 40792208 48855784 49781960 50990260 61069730 74761520 97711568 99563920 101980520 122139460 203961040 244278920 262599839 488557840 525199678 1050399356 1312999195 2100798712 2625998390 4201597424 5251996780 10503993560 21007987120
- Sum of all divisors σ(n): 50884314624
- Sum of proper divisors (its aliquot sum) s(n): 29876327504
- 21007987120 is an abundant number, because the sum of its proper divisors (29876327504) is greater than itself. Its abundance is 8868340384
Bases of 21007987120
- Binary: 100111001000010110001110001101100002
- Hexadecimal: 0x4E42C71B0
- Base-36: 9NFM2LS
Squares and roots of 21007987120
- 21007987120 squared (210079871202) is 441335522834085894400
- 21007987120 cubed (210079871203) is 9271570979296942366528880128000
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The
square root of 21007987120 is 144941.3230241811 -
The
cube root of 21007987120 is 2759.2739075773
Scales and comparisons
How big is 21007987120?- 21,007,987,120 seconds is equal to 667 years, 51 weeks, 2 days, 23 hours, 58 minutes, 40 seconds.
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To count from 1 to 21,007,987,120 would take you about one thousand, three hundred thirty-five 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 21007987120 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007987120
- 21007987120 backwards is 02178970012
- The number of decimal digits it has is: 11
- The sum of 21007987120's digits is 37
- More coming soon!
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