21431256960
21,431,256,960 is an even composite number composed of six prime numbers multiplied together.
21431256960 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21431256960:
27 × 3 × 5 × 89 × 167 × 751
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 89 × 167 × 751)See below for interesting mathematical facts about the number 21431256960 from the Numbermatics database.
Names of 21431256960
- Cardinal: 21431256960 can be written as Twenty-one billion, four hundred thirty-one million, two hundred fifty-six thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.143125696 × 1010
Factors of 21431256960
Divisors of 21431256960
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 89 96 120 128 160 167 178 192 240 267 320 334 356 384 445 480 501 534 640 668 712 751 835 890 960 1002 1068 1335 1336 1424 1502 1670 1780 1920 2004 2136 2253 2505 2670 2672 2848 3004 3340 3560 3755 4008 4272 4506 5010 5340 5344 5696 6008 6680 7120 7510 8016 8544 9012 10020 10680 10688 11265 11392 12016 13360 14240 14863 15020 16032 17088 18024 20040 21360 21376 22530 24032 26720 28480 29726 30040 32064 34176 36048 40080 42720 44589 45060 48064 53440 56960 59452 60080 64128 66839 72096 74315 80160 85440 89178 90120 96128 106880 118904 120160 125417 133678 144192 148630 160320 170880 178356 180240 200517 222945 237808 240320 250834 267356 288384 297260 320640 334195 356712 360480 376251 401034 445890 475616 480640 501668 534712 594520 627085 668390 713424 720960 752502 802068 891780 951232 1002585 1003336 1069424 1189040 1254170 1336780 1426848 1441920 1505004 1604136 1783560 1881255 1902464 2005170 2006672 2138848 2378080 2508340 2673560 2853696 3010008 3208272 3567120 3762510 4010340 4013344 4277696 4756160 5016680 5347120 5707392 6020016 6416544 7134240 7525020 8020680 8026688 8555392 9512320 10033360 10694240 11162113 12040032 12833088 14268480 15050040 16041360 16053376 20066720 21388480 22324226 24080064 25666176 28536960 30100080 32082720 33486339 40133440 42776960 44648452 48160128 55810565 60200160 64165440 66972678 80266880 89296904 111621130 120400320 128330880 133945356 167431695 178593808 223242260 240800640 267890712 334863390 357187616 446484520 535781424 669726780 714375232 892969040 1071562848 1339453560 1428750464 1785938080 2143125696 2678907120 3571876160 4286251392 5357814240 7143752320 10715628480 21431256960
- Sum of all divisors σ(n): 69585868800
- Sum of proper divisors (its aliquot sum) s(n): 48154611840
- 21431256960 is an abundant number, because the sum of its proper divisors (48154611840) is greater than itself. Its abundance is 26723354880
Bases of 21431256960
- Binary: 100111111010110011100000111100000002
- Hexadecimal: 0x4FD670780
- Base-36: 9UFM7PC
Squares and roots of 21431256960
- 21431256960 squared (214312569602) is 459298774885548441600
- 21431256960 cubed (214312569603) is 9843350065985383242457153536000
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The
square root of 21431256960 is 146394.1834910117 -
The
cube root of 21431256960 is 2777.6821492321
Scales and comparisons
How big is 21431256960?- 21,431,256,960 seconds is equal to 681 years, 23 weeks, 1 day, 22 hours, 56 minutes.
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To count from 1 to 21,431,256,960 would take you about one thousand, three hundred sixty-two 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 21431256960 cubic inches would be around 231.5 feet tall.
Recreational maths with 21431256960
- 21431256960 backwards is 06965213412
- The number of decimal digits it has is: 11
- The sum of 21431256960's digits is 39
- More coming soon!
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