21331097920
21,331,097,920 is an even composite number composed of six prime numbers multiplied together.
21331097920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21331097920:
26 × 5 × 11 × 23 × 37 × 7121
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 23 × 37 × 7121)See below for interesting mathematical facts about the number 21331097920 from the Numbermatics database.
Names of 21331097920
- Cardinal: 21331097920 can be written as Twenty-one billion, three hundred thirty-one million, ninety-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.133109792 × 1010
Factors of 21331097920
Divisors of 21331097920
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 23 32 37 40 44 46 55 64 74 80 88 92 110 115 148 160 176 184 185 220 230 253 296 320 352 368 370 407 440 460 506 592 704 736 740 814 851 880 920 1012 1184 1265 1472 1480 1628 1702 1760 1840 2024 2035 2368 2530 2960 3256 3404 3520 3680 4048 4070 4255 5060 5920 6512 6808 7121 7360 8096 8140 8510 9361 10120 11840 13024 13616 14242 16192 16280 17020 18722 20240 26048 27232 28484 32560 34040 35605 37444 40480 46805 54464 56968 65120 68080 71210 74888 78331 80960 93610 113936 130240 136160 142420 149776 156662 163783 187220 227872 263477 272320 284840 299552 313324 327566 374440 391655 455744 526954 569680 599104 626648 655132 748880 783310 818915 1053908 1139360 1253296 1310264 1317385 1497760 1566620 1637830 1801613 2107816 2278720 2506592 2620528 2634770 2898247 2995520 3133240 3275660 3603226 4215632 5013184 5241056 5269540 5796494 6059971 6266480 6551320 7206452 8431264 9008065 10482112 10539080 11592988 12119942 12532960 13102640 14412904 14491235 16862528 18016130 21078160 23185976 24239884 25065920 26205280 28825808 28982470 30299855 36032260 42156320 46371952 48479768 52410560 57651616 57964940 60599710 66659681 72064520 84312640 92743904 96959536 115303232 115929880 121199420 133319362 144129040 185487808 193919072 231859760 242398840 266638724 288258080 333298405 387838144 463719520 484797680 533277448 576516160 666596810 927439040 969595360 1066554896 1333193620 1939190720 2133109792 2666387240 4266219584 5332774480 10665548960 21331097920
- Sum of all divisors σ(n): 59392694016
- Sum of proper divisors (its aliquot sum) s(n): 38061596096
- 21331097920 is an abundant number, because the sum of its proper divisors (38061596096) is greater than itself. Its abundance is 16730498176
Bases of 21331097920
- Binary: 100111101110110111010111001010000002
- Hexadecimal: 0x4F76EB940
- Base-36: 9SRZGHS
Squares and roots of 21331097920
- 21331097920 squared (213310979202) is 455015738472628326400
- 21331097920 cubed (213310979203) is 9705985272500746070204121088000
-
The
square root of 21331097920 is 146051.6960531441 -
The
cube root of 21331097920 is 2773.3482222041
Scales and comparisons
How big is 21331097920?- 21,331,097,920 seconds is equal to 678 years, 13 weeks, 4 days, 16 hours, 58 minutes, 40 seconds.
-
To count from 1 to 21,331,097,920 would take you about one thousand, three hundred fifty-six 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 21331097920 cubic inches would be around 231.1 feet tall.
Recreational maths with 21331097920
- 21331097920 backwards is 02979013312
- 21331097920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21331097920's digits is 37
- More coming soon!
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