21311338125
21,311,338,125 is an odd composite number composed of seven prime numbers multiplied together.
21311338125 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21311338125:
3 × 54 × 7 × 11 × 17 × 19 × 457
(3 × 5 × 5 × 5 × 5 × 7 × 11 × 17 × 19 × 457)See below for interesting mathematical facts about the number 21311338125 from the Numbermatics database.
Names of 21311338125
- Cardinal: 21311338125 can be written as Twenty-one billion, three hundred eleven million, three hundred thirty-eight thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1311338125 × 1010
Factors of 21311338125
Divisors of 21311338125
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 5 7 11 15 17 19 21 25 33 35 51 55 57 75 77 85 95 105 119 125 133 165 175 187 209 231 255 275 285 323 357 375 385 399 425 457 475 525 561 595 625 627 665 825 875 935 969 1045 1155 1275 1309 1371 1375 1425 1463 1615 1785 1875 1925 1995 2125 2261 2285 2375 2625 2805 2975 3135 3199 3325 3553 3927 4125 4375 4389 4675 4845 5027 5225 5775 6375 6545 6783 6855 6875 7125 7315 7769 8075 8683 8925 9597 9625 9975 10625 10659 11305 11425 11875 13125 14025 14875 15081 15675 15995 16625 17765 19635 20625 21945 23307 23375 24225 24871 25135 26049 26125 28875 31875 32725 33915 34275 35189 35625 36575 38845 40375 43415 44625 47985 48125 49875 53295 54383 56525 57125 60781 70125 74375 74613 75405 78375 79975 83125 85459 88825 95513 98175 105567 109725 116535 116875 121125 124355 125675 130245 130625 144375 147611 163149 163625 169575 171375 175945 182343 182875 194225 201875 217075 223125 239925 249375 256377 266475 271915 282625 285625 286539 303905 350625 373065 377025 391875 399875 427295 442833 444125 477565 490875 527835 548625 582675 598213 605625 621775 628375 651225 668591 738055 815745 818125 847875 856875 879725 911715 914375 971125 1033277 1085375 1199625 1281885 1332375 1359575 1413125 1432695 1519525 1623721 1794639 1865325 1885125 1999375 2005773 2136475 2214165 2220625 2387825 2454375 2639175 2743125 2913375 2991065 3099831 3108875 3141875 3256125 3342955 3690275 4078725 4239375 4398625 4558575 4855625 4871163 5166385 5426875 5998125 6409425 6661875 6797875 7163475 7597625 8118605 8973195 9326625 9425625 10028865 10682375 11070825 11366047 11939125 13195875 14566875 14955325 15499155 15544375 16280625 16714775 18451375 20393625 21993125 22792875 24355815 25831925 32047125 33989375 34098141 35817375 37988125 40593025 44865975 46633125 50144325 53411875 55354125 56830235 59695625 65979375 74776625 77495775 83573875 92256875 101968125 113964375 121779075 129159625 160235625 170490705 179086875 202965125 224329875 250721625 276770625 284151175 373883125 387478875 417869375 608895375 645798125 852453525 1014825625 1121649375 1253608125 1420755875 1937394375 3044476875 4262267625 7103779375 21311338125
- Sum of all divisors σ(n): 49448171520
- Sum of proper divisors (its aliquot sum) s(n): 28136833395
- 21311338125 is an abundant number, because the sum of its proper divisors (28136833395) is greater than itself. Its abundance is 6825495270
Bases of 21311338125
- Binary: 100111101100100000100110110100011012
- Hexadecimal: 0x4F641368D
- Base-36: 9SG7XQL
Squares and roots of 21311338125
- 21311338125 squared (213113381252) is 454173132678078515625
- 21311338125 cubed (213113381253) is 9679037197793018021782470703125
-
The
square root of 21311338125 is 145984.0338016455 -
The
cube root of 21311338125 is 2772.4916055311
Scales and comparisons
How big is 21311338125?- 21,311,338,125 seconds is equal to 677 years, 33 weeks, 8 minutes, 45 seconds.
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To count from 1 to 21,311,338,125 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 21311338125 cubic inches would be around 231 feet tall.
Recreational maths with 21311338125
- 21311338125 backwards is 52183311312
- The number of decimal digits it has is: 11
- The sum of 21311338125's digits is 30
- More coming soon!
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