21142521920
21,142,521,920 is an even composite number composed of six prime numbers multiplied together.
21142521920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21142521920:
26 × 5 × 133 × 17 × 29 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 13 × 17 × 29 × 61)See below for interesting mathematical facts about the number 21142521920 from the Numbermatics database.
Names of 21142521920
- Cardinal: 21142521920 can be written as Twenty-one billion, one hundred forty-two million, five hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.114252192 × 1010
Factors of 21142521920
Divisors of 21142521920
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 29 32 34 40 52 58 61 64 65 68 80 85 104 116 122 130 136 145 160 169 170 208 221 232 244 260 272 290 305 320 338 340 377 416 442 464 488 493 520 544 580 610 676 680 754 793 832 845 884 928 976 986 1037 1040 1088 1105 1160 1220 1352 1360 1508 1586 1690 1768 1769 1856 1885 1952 1972 2074 2080 2197 2210 2320 2440 2465 2704 2720 2873 3016 3172 3380 3536 3538 3770 3904 3944 3965 4148 4160 4394 4420 4640 4880 4901 4930 5185 5408 5440 5746 6032 6344 6409 6760 7072 7076 7540 7888 7930 8296 8788 8840 8845 9280 9760 9802 9860 10309 10370 10816 10985 11492 12064 12688 12818 13481 13520 14144 14152 14365 15080 15776 15860 16592 17576 17680 17690 19520 19604 19720 20618 20740 21970 22984 22997 24128 24505 25376 25636 26962 27040 28304 28730 30073 30160 31552 31720 32045 33184 35152 35360 35380 37349 39208 39440 41236 41480 43940 45968 45994 49010 50752 51272 51545 53924 54080 56608 57460 60146 60320 63440 63713 64090 66368 67405 70304 70720 70760 74698 78416 78880 82472 82960 83317 87880 91936 91988 98020 102544 103090 107848 113216 114920 114985 120292 120640 126880 127426 128180 134017 134810 140608 141520 149396 150365 156832 157760 164944 165920 166634 175253 175760 183872 183976 186745 196040 205088 206180 215696 229840 229970 240584 253760 254852 256360 268034 269620 283040 298792 298961 300730 313664 318565 329888 331840 333268 350506 351520 367952 373490 390949 392080 410176 412360 416585 431392 459680 459940 481168 509704 512720 536068 539240 566080 597584 597922 601460 637130 659776 666536 670085 701012 703040 735904 746980 781898 784160 824720 833170 862784 876265 919360 919880 962336 1019408 1025440 1072136 1078480 1083121 1195168 1195844 1202920 1274260 1333072 1340170 1402024 1471808 1493960 1494805 1563796 1568320 1649440 1666340 1752530 1839760 1924672 1954745 2038816 2050880 2144272 2156960 2166242 2278289 2390336 2391688 2405840 2548520 2666144 2680340 2804048 2987920 2989610 3127592 3298880 3332680 3505060 3679520 3886493 3909490 4077632 4288544 4313920 4332484 4556578 4783376 4811680 5082337 5097040 5332288 5360680 5415605 5608096 5975840 5979220 6255184 6665360 7010120 7359040 7772986 7818980 8577088 8664968 9113156 9566752 9623360 10164674 10194080 10721360 10831210 11216192 11391445 11951680 11958440 12510368 13330720 14020240 15545972 15637960 17329936 18226312 19133504 19432465 20329348 20388160 21442720 21662420 22782890 23916880 25020736 25411685 26661440 28040480 31091944 31275920 34659872 36452624 38864930 40658696 42885440 43324840 45565780 47833760 50823370 56080960 62183888 62551840 66070381 69319744 72905248 77729860 81317392 86649680 91131560 95667520 101646740 124367776 125103680 132140762 145810496 155459720 162634784 173299360 182263120 203293480 248735552 264281524 310919440 325269568 330351905 346598720 364526240 406586960 528563048 621838880 660703810 729052480 813173920 1057126096 1243677760 1321407620 1626347840 2114252192 2642815240 4228504384 5285630480 10571260960 21142521920
- Sum of all divisors σ(n): 60717988800
- Sum of proper divisors (its aliquot sum) s(n): 39575466880
- 21142521920 is an abundant number, because the sum of its proper divisors (39575466880) is greater than itself. Its abundance is 18432944960
Bases of 21142521920
- Binary: 100111011000011000101001000010000002
- Hexadecimal: 0x4EC314840
- Base-36: 9PNPMBK
Squares and roots of 21142521920
- 21142521920 squared (211425219202) is 447006233137680486400
- 21142521920 cubed (211425219203) is 9450839082490040061668261888000
-
The
square root of 21142521920 is 145404.6832808353 -
The
cube root of 21142521920 is 2765.1514934539
Scales and comparisons
How big is 21142521920?- 21,142,521,920 seconds is equal to 672 years, 13 weeks, 6 days, 2 hours, 45 minutes, 20 seconds.
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To count from 1 to 21,142,521,920 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 21142521920 cubic inches would be around 230.4 feet tall.
Recreational maths with 21142521920
- 21142521920 backwards is 02912524112
- 21142521920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21142521920's digits is 29
- More coming soon!
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The information we have on file for 21142521920 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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