21507007020
21,507,007,020 is an even composite number composed of seven prime numbers multiplied together.
21507007020 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21507007020:
22 × 3 × 5 × 17 × 312 × 37 × 593
(2 × 2 × 3 × 5 × 17 × 31 × 31 × 37 × 593)See below for interesting mathematical facts about the number 21507007020 from the Numbermatics database.
Names of 21507007020
- Cardinal: 21507007020 can be written as Twenty-one billion, five hundred seven million, seven thousand and twenty.
Scientific notation
- Scientific notation: 2.150700702 × 1010
Factors of 21507007020
Divisors of 21507007020
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 17 20 30 31 34 37 51 60 62 68 74 85 93 102 111 124 148 155 170 185 186 204 222 255 310 340 370 372 444 465 510 527 555 593 620 629 740 930 961 1020 1054 1110 1147 1186 1258 1581 1779 1860 1887 1922 2108 2220 2294 2372 2516 2635 2883 2965 3145 3162 3441 3558 3774 3844 4588 4805 5270 5735 5766 5930 6290 6324 6882 7116 7548 7905 8895 9435 9610 10081 10540 11470 11532 11860 12580 13764 14415 15810 16337 17205 17790 18383 18870 19220 19499 20162 21941 22940 28830 30243 31620 32674 34410 35557 35580 36766 37740 38998 40324 43882 49011 50405 55149 57660 58497 60486 65348 65823 68820 71114 73532 77996 81685 87764 91915 97495 98022 100810 106671 109705 110298 116994 120972 131646 142228 151215 163370 177785 183830 194990 196044 201620 213342 219410 220596 233988 245055 263292 275745 292485 302430 312511 326740 329115 355570 367660 372997 389980 426684 438820 490110 533355 551490 569873 584970 604469 604860 625022 658230 680171 711140 745994 937533 980220 1066710 1102980 1118991 1139746 1169940 1208938 1250044 1316460 1360342 1491988 1562555 1709619 1813407 1864985 1875066 2040513 2133420 2237982 2279492 2417876 2720684 2849365 3022345 3125110 3400855 3419238 3626814 3729970 3750132 4081026 4475964 4687665 5594955 5698730 6044690 6250220 6801710 6838476 7253628 7459940 8162052 8548095 9067035 9375330 9687841 10202565 11189910 11397460 11562907 12089380 13603420 17096190 18134070 18750660 19375682 20405130 21085301 22379820 23125814 29063523 34192380 34688721 36268140 38751364 40810260 42170602 46251628 48439205 57814535 58127046 63255903 69377442 84341204 96878410 105426505 115629070 116254092 126511806 138754884 145317615 173443605 193756820 210853010 231258140 253023612 290635230 316279515 346887210 358450117 421706020 581270460 632559030 693774420 716900234 1075350351 1265118060 1433800468 1792250585 2150700702 3584501170 4301401404 5376751755 7169002340 10753503510 21507007020
- Sum of all divisors σ(n): 67779923904
- Sum of proper divisors (its aliquot sum) s(n): 46272916884
- 21507007020 is an abundant number, because the sum of its proper divisors (46272916884) is greater than itself. Its abundance is 24765909864
Bases of 21507007020
- Binary: 101000000011110101011100010001011002
- Hexadecimal: 0x501EAE22C
- Base-36: 9VOPSTO
Squares and roots of 21507007020
- 21507007020 squared (215070070202) is 462551350958329280400
- 21507007020 cubed (215070070203) is 9948095152171271561034348408000
-
The
square root of 21507007020 is 146652.6747795619 -
The
cube root of 21507007020 is 2780.9509289359
Scales and comparisons
How big is 21507007020?- 21,507,007,020 seconds is equal to 683 years, 44 weeks, 3 days, 16 hours, 37 minutes.
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To count from 1 to 21,507,007,020 would take you about one thousand, three hundred sixty-seven 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 21507007020 cubic inches would be around 231.7 feet tall.
Recreational maths with 21507007020
- 21507007020 backwards is 02070070512
- The number of decimal digits it has is: 11
- The sum of 21507007020's digits is 24
- More coming soon!
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