21313548672
21,313,548,672 is an even composite number composed of six prime numbers multiplied together.
21313548672 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 21313548672:
27 × 3 × 13 × 37 × 257 × 449
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 37 × 257 × 449)See below for interesting mathematical facts about the number 21313548672 from the Numbermatics database.
Names of 21313548672
- Cardinal: 21313548672 can be written as Twenty-one billion, three hundred thirteen million, five hundred forty-eight thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1313548672 × 1010
Factors of 21313548672
Divisors of 21313548672
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 37 39 48 52 64 74 78 96 104 111 128 148 156 192 208 222 257 296 312 384 416 444 449 481 514 592 624 771 832 888 898 962 1028 1184 1248 1347 1443 1542 1664 1776 1796 1924 2056 2368 2496 2694 2886 3084 3341 3552 3592 3848 4112 4736 4992 5388 5772 5837 6168 6682 7104 7184 7696 8224 9509 10023 10776 11544 11674 12336 13364 14208 14368 15392 16448 16613 17511 19018 20046 21552 23088 23348 24672 26728 28527 28736 30784 32896 33226 35022 38036 40092 43104 46176 46696 49344 49839 53456 57054 57472 61568 66452 70044 76072 80184 86208 92352 93392 98688 99678 106912 114108 115393 123617 132904 140088 152144 160368 172416 184704 186784 199356 213824 215969 228216 230786 247234 265808 280176 304288 320736 346179 370851 373568 398712 427648 431938 456432 461572 494468 531616 560352 608576 641472 647907 692358 741702 747136 797424 863876 912864 923144 988936 1063232 1120704 1217152 1282944 1295814 1384716 1483404 1500109 1594848 1727752 1825728 1846288 1977872 2126464 2241408 2591628 2769432 2966808 3000218 3189696 3455504 3651456 3692576 3955744 4269541 4500327 5183256 5538864 5933616 6000436 6379392 6911008 7385152 7911488 8539082 9000654 10366512 11077728 11867232 12000872 12808623 13822016 14770304 15822976 17078164 18001308 20733024 22155456 23734464 24001744 25617246 27644032 34156328 36002616 41466048 44310912 47468928 48003488 51234492 55504033 68312656 72005232 82932096 96006976 102468984 111008066 136625312 144010464 166512099 192013952 204937968 222016132 273250624 288020928 333024198 409875936 444032264 546501248 576041856 666048396 819751872 888064528 1332096792 1639503744 1776129056 2664193584 3552258112 5328387168 7104516224 10656774336 21313548672
- Sum of all divisors σ(n): 63000504000
- Sum of proper divisors (its aliquot sum) s(n): 41686955328
- 21313548672 is an abundant number, because the sum of its proper divisors (41686955328) is greater than itself. Its abundance is 20373406656
Bases of 21313548672
- Binary: 100111101100110001011110001100000002
- Hexadecimal: 0x4F662F180
- Base-36: 9SHJBEO
Squares and roots of 21313548672
- 21313548672 squared (213135486722) is 454267356993712963584
- 21313548672 cubed (213135486723) is 9682049423386300847344947560448
-
The
square root of 21313548672 is 145991.6047997281 -
The
cube root of 21313548672 is 2772.5874623479
Scales and comparisons
How big is 21313548672?- 21,313,548,672 seconds is equal to 677 years, 36 weeks, 4 days, 14 hours, 11 minutes, 12 seconds.
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To count from 1 to 21,313,548,672 would take you about one thousand, three hundred fifty-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 21313548672 cubic inches would be around 231 feet tall.
Recreational maths with 21313548672
- 21313548672 backwards is 27684531312
- The number of decimal digits it has is: 11
- The sum of 21313548672's digits is 42
- More coming soon!
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