21090783672
21,090,783,672 is an even composite number composed of six prime numbers multiplied together.
21090783672 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 21090783672:
23 × 33 × 7 × 61 × 67 × 3413
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 61 × 67 × 3413)See below for interesting mathematical facts about the number 21090783672 from the Numbermatics database.
Names of 21090783672
- Cardinal: 21090783672 can be written as Twenty-one billion, ninety million, seven hundred eighty-three thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1090783672 × 1010
Factors of 21090783672
Divisors of 21090783672
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 61 63 67 72 84 108 122 126 134 168 183 189 201 216 244 252 268 366 378 402 427 469 488 504 536 549 603 732 756 804 854 938 1098 1206 1281 1407 1464 1512 1608 1647 1708 1809 1876 2196 2412 2562 2814 3294 3413 3416 3618 3752 3843 4087 4221 4392 4824 5124 5628 6588 6826 7236 7686 8174 8442 10239 10248 11256 11529 12261 12663 13176 13652 14472 15372 16348 16884 20478 23058 23891 24522 25326 27304 28609 30717 30744 32696 33768 36783 40956 46116 47782 49044 50652 57218 61434 71673 73566 81912 85827 92151 92232 95564 98088 101304 110349 114436 122868 143346 147132 171654 184302 191128 208193 215019 220698 228671 228872 245736 257481 286692 294264 343308 368604 416386 430038 441396 457342 514962 573384 624579 645057 686013 686616 737208 772443 832772 860076 882792 914684 1029924 1249158 1290114 1372026 1457351 1544886 1600697 1665544 1720152 1829368 1873737 2058039 2059848 2498316 2580228 2744052 2914702 3089772 3201394 3747474 4116078 4372053 4802091 4996632 5160456 5488104 5621211 5829404 6174117 6179544 6402788 7494948 8232156 8744106 9604182 11242422 11658808 12348234 12805576 13116159 13948931 14406273 14989896 16464312 17488212 19208364 22484844 24696468 26232318 27897862 28812546 34976424 38416728 39348477 41846793 43218819 44969688 49392936 52464636 55795724 57625092 78696954 83693586 86437638 97642517 104929272 111591448 115250184 125540379 157393908 167387172 172875276 195285034 251080758 292927551 314787816 334774344 345750552 376621137 390570068 502161516 585855102 753242274 781140136 878782653 1004323032 1171710204 1506484548 1757565306 2343420408 2636347959 3012969096 3515130612 5272695918 7030261224 10545391836 21090783672
- Sum of all divisors σ(n): 69088435200
- Sum of proper divisors (its aliquot sum) s(n): 47997651528
- 21090783672 is an abundant number, because the sum of its proper divisors (47997651528) is greater than itself. Its abundance is 26906867856
Bases of 21090783672
- Binary: 100111010010001101111010001101110002
- Hexadecimal: 0x4E91BD1B8
- Base-36: 9OSWOU0
Squares and roots of 21090783672
- 21090783672 squared (210907836722) is 444821155899101803584
- 21090783672 cubed (210907836723) is 9381626771796942798495178280448
-
The
square root of 21090783672 is 145226.6630891175 -
The
cube root of 21090783672 is 2762.8941003289
Scales and comparisons
How big is 21090783672?- 21,090,783,672 seconds is equal to 670 years, 32 weeks, 2 days, 7 hours, 1 minute, 12 seconds.
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To count from 1 to 21,090,783,672 would take you about one thousand, three hundred forty-one 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 21090783672 cubic inches would be around 230.2 feet tall.
Recreational maths with 21090783672
- 21090783672 backwards is 27638709012
- The number of decimal digits it has is: 11
- The sum of 21090783672's digits is 45
- More coming soon!
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