21137171220
21,137,171,220 is an even composite number composed of six prime numbers multiplied together.
21137171220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21137171220:
22 × 32 × 5 × 11 × 139 × 76801
(2 × 2 × 3 × 3 × 5 × 11 × 139 × 76801)See below for interesting mathematical facts about the number 21137171220 from the Numbermatics database.
Names of 21137171220
- Cardinal: 21137171220 can be written as Twenty-one billion, one hundred thirty-seven million, one hundred seventy-one thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.113717122 × 1010
Factors of 21137171220
Divisors of 21137171220
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 139 165 180 198 220 278 330 396 417 495 556 660 695 834 990 1251 1390 1529 1668 1980 2085 2502 2780 3058 4170 4587 5004 6116 6255 7645 8340 9174 12510 13761 15290 18348 22935 25020 27522 30580 45870 55044 68805 76801 91740 137610 153602 230403 275220 307204 384005 460806 691209 768010 844811 921612 1152015 1382418 1536020 1689622 2304030 2534433 2764836 3379244 3456045 4224055 4608060 5068866 6912090 7603299 8448110 10137732 10675339 12672165 13824180 15206598 16896220 21350678 25344330 30413196 32026017 38016495 42701356 50688660 53376695 64052034 76032990 96078051 106753390 117428729 128104068 152065980 160130085 192156102 213506780 234857458 320260170 352286187 384312204 469714916 480390255 587143645 640520340 704572374 960780510 1056858561 1174287290 1409144748 1761430935 1921561020 2113717122 2348574580 3522861870 4227434244 5284292805 7045723740 10568585610 21137171220
- Sum of all divisors σ(n): 70448938560
- Sum of proper divisors (its aliquot sum) s(n): 49311767340
- 21137171220 is an abundant number, because the sum of its proper divisors (49311767340) is greater than itself. Its abundance is 28174596120
Bases of 21137171220
- Binary: 100111010111101111110100011000101002
- Hexadecimal: 0x4EBDFA314
- Base-36: 9PKIXP0
Squares and roots of 21137171220
- 21137171220 squared (211371712202) is 446780007183596288400
- 21137171220 cubed (211371712203) is 9443665509512504723267299848000
-
The
square root of 21137171220 is 145386.2827779843 -
The
cube root of 21137171220 is 2764.9182077487
Scales and comparisons
How big is 21137171220?- 21,137,171,220 seconds is equal to 672 years, 5 weeks, 4 hours, 27 minutes.
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To count from 1 to 21,137,171,220 would take you about one thousand, three hundred forty-four 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 21137171220 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137171220
- 21137171220 backwards is 02217173112
- The number of decimal digits it has is: 11
- The sum of 21137171220's digits is 27
- More coming soon!
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The information we have on file for 21137171220 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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