21309658272
21,309,658,272 is an even composite number composed of five prime numbers multiplied together.
21309658272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21309658272:
25 × 32 × 7 × 533 × 71
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 53 × 53 × 53 × 71)See below for interesting mathematical facts about the number 21309658272 from the Numbermatics database.
Names of 21309658272
- Cardinal: 21309658272 can be written as Twenty-one billion, three hundred nine million, six hundred fifty-eight thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1309658272 × 1010
Factors of 21309658272
Divisors of 21309658272
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 53 56 63 71 72 84 96 106 112 126 142 144 159 168 212 213 224 252 284 288 318 336 371 424 426 477 497 504 568 636 639 672 742 848 852 954 994 1008 1113 1136 1272 1278 1484 1491 1696 1704 1908 1988 2016 2226 2272 2544 2556 2809 2968 2982 3339 3408 3763 3816 3976 4452 4473 5088 5112 5618 5936 5964 6678 6816 7526 7632 7952 8427 8904 8946 10224 11236 11289 11872 11928 13356 15052 15264 15904 16854 17808 17892 19663 20448 22472 22578 23856 25281 26341 26712 30104 33708 33867 35616 35784 39326 44944 45156 47712 50562 52682 53424 58989 60208 67416 67734 71568 78652 79023 89888 90312 101124 105364 106848 117978 120416 134832 135468 143136 148877 157304 158046 176967 180624 199439 202248 210728 235956 237069 269664 270936 297754 314608 316092 353934 361248 398878 404496 421456 446631 471912 474138 541872 595508 598317 629216 632184 707868 797756 808992 842912 893262 943824 948276 1042139 1083744 1191016 1196634 1264368 1339893 1396073 1415736 1595512 1786524 1794951 1887648 1896552 2084278 2382032 2393268 2528736 2679786 2792146 2831472 3126417 3191024 3573048 3589902 3793104 4168556 4188219 4764064 4786536 5359572 5584292 5662944 6252834 6382048 7146096 7179804 7586208 8337112 8376438 9379251 9573072 10570267 10719144 11168584 12505668 12564657 14292192 14359608 16674224 16752876 18758502 19146144 21140534 21438288 22337168 25011336 25129314 28719216 31710801 33348448 33505752 37517004 42281068 42876576 44674336 50022672 50258628 57438432 63421602 67011504 73991869 75034008 84562136 95132403 100045344 100517256 126843204 134023008 147983738 150068016 169124272 190264806 201034512 221975607 253686408 295967476 300136032 338248544 380529612 402069024 443951214 507372816 591934952 665926821 761059224 887902428 1014745632 1183869904 1331853642 1522118448 1775804856 2367739808 2663707284 3044236896 3551609712 5327414568 7103219424 10654829136 21309658272
- Sum of all divisors σ(n): 71582434560
- Sum of proper divisors (its aliquot sum) s(n): 50272776288
- 21309658272 is an abundant number, because the sum of its proper divisors (50272776288) is greater than itself. Its abundance is 28963118016
Bases of 21309658272
- Binary: 100111101100010011110010100101000002
- Hexadecimal: 0x4F62794A0
- Base-36: 9SF7XK0
Squares and roots of 21309658272
- 21309658272 squared (213096582722) is 454101535669418025984
- 21309658272 cubed (213096582723) is 9676748545905716894835856539648
-
The
square root of 21309658272 is 145978.2801378343 -
The
cube root of 21309658272 is 2772.4187569735
Scales and comparisons
How big is 21309658272?- 21,309,658,272 seconds is equal to 677 years, 30 weeks, 1 day, 13 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,309,658,272 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 21309658272 cubic inches would be around 231 feet tall.
Recreational maths with 21309658272
- 21309658272 backwards is 27285690312
- The number of decimal digits it has is: 11
- The sum of 21309658272's digits is 45
- More coming soon!
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The information we have on file for 21309658272 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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