21742931210
21,742,931,210 is an even composite number composed of seven prime numbers multiplied together.
21742931210 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21742931210:
2 × 5 × 73 × 11 × 13 × 97 × 457
(2 × 5 × 7 × 7 × 7 × 11 × 13 × 97 × 457)See below for interesting mathematical facts about the number 21742931210 from the Numbermatics database.
Names of 21742931210
- Cardinal: 21742931210 can be written as Twenty-one billion, seven hundred forty-two million, nine hundred thirty-one thousand, two hundred ten.
Scientific notation
- Scientific notation: 2.174293121 × 1010
Factors of 21742931210
Divisors of 21742931210
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 97 98 110 130 143 154 182 194 245 286 343 385 455 457 485 490 539 637 679 686 715 770 910 914 970 1001 1067 1078 1261 1274 1358 1430 1715 2002 2134 2285 2522 2695 3185 3199 3395 3430 3773 4459 4570 4753 5005 5027 5335 5390 5941 6305 6370 6398 6790 7007 7469 7546 8827 8918 9506 10010 10054 10670 11882 12610 13871 14014 14938 15995 17654 18865 22295 22393 23765 25135 27742 29705 31990 33271 35035 35189 37345 37730 41587 44135 44329 44590 44786 47530 49049 50270 52283 59410 61789 65351 66542 69355 70070 70378 74690 83174 88270 88658 97097 98098 104566 111965 123578 130702 138710 156751 166355 175945 194194 207935 221645 223930 245245 246323 261415 291109 308945 310303 313502 326755 332710 351890 365981 415870 432523 443290 457457 485485 487619 490490 492646 522830 576277 582218 617890 620606 653510 679679 731962 783755 865046 914914 970970 975238 1152554 1231615 1359358 1455545 1551515 1567510 1724261 1829905 2037763 2162615 2172121 2287285 2438095 2463230 2881385 2911090 3103030 3202199 3398395 3413333 3448522 3659810 4033939 4075526 4325230 4344242 4574570 4757753 4876190 5762770 6339047 6404398 6796790 6826666 8067878 8621305 9515506 10188815 10860605 12678094 15204847 16010995 17066665 17242610 20169695 20377630 21721210 22415393 23788765 23893331 28237573 30409694 31695235 32021990 34133330 40339390 44373329 44830786 47577530 47786662 56475146 63390470 76024235 88746658 112076965 119466655 141187865 152048470 167253317 197663011 221866645 224153930 238933310 282375730 310613303 334506634 395326022 443733290 621226606 836266585 988315055 1553066515 1672533170 1976630110 2174293121 3106133030 4348586242 10871465605 21742931210
- Sum of all divisors σ(n): 54291686400
- Sum of proper divisors (its aliquot sum) s(n): 32548755190
- 21742931210 is an abundant number, because the sum of its proper divisors (32548755190) is greater than itself. Its abundance is 10805823980
Bases of 21742931210
- Binary: 101000011111111101011001101000010102
- Hexadecimal: 0x50FFACD0A
- Base-36: 9ZL6H3E
Squares and roots of 21742931210
- 21742931210 squared (217429312102) is 472755057602792064100
- 21742931210 cubed (217429312103) is 10279080696637095353660210561000
-
The
square root of 21742931210 is 147454.8446474377 -
The
cube root of 21742931210 is 2791.0826513007
Scales and comparisons
How big is 21742931210?- 21,742,931,210 seconds is equal to 691 years, 18 weeks, 4 days, 7 hours, 6 minutes, 50 seconds.
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To count from 1 to 21,742,931,210 would take you about one thousand, three hundred eighty-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 21742931210 cubic inches would be around 232.6 feet tall.
Recreational maths with 21742931210
- 21742931210 backwards is 01213924712
- The number of decimal digits it has is: 11
- The sum of 21742931210's digits is 32
- More coming soon!
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