21208225920
21,208,225,920 is an even composite number composed of seven prime numbers multiplied together.
21208225920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21208225920:
27 × 3 × 5 × 7 × 31 × 109 × 467
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 31 × 109 × 467)See below for interesting mathematical facts about the number 21208225920 from the Numbermatics database.
Names of 21208225920
- Cardinal: 21208225920 can be written as Twenty-one billion, two hundred eight million, two hundred twenty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.120822592 × 1010
Factors of 21208225920
Divisors of 21208225920
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 32 35 40 42 48 56 60 62 64 70 80 84 93 96 105 109 112 120 124 128 140 155 160 168 186 192 210 217 218 224 240 248 280 310 320 327 336 372 384 420 434 436 448 465 467 480 496 545 560 620 640 651 654 672 744 763 840 868 872 896 930 934 960 992 1085 1090 1120 1240 1302 1308 1344 1401 1488 1526 1635 1680 1736 1744 1860 1868 1920 1984 2170 2180 2240 2289 2335 2480 2604 2616 2688 2802 2976 3052 3255 3269 3270 3360 3379 3472 3488 3720 3736 3815 3968 4340 4360 4480 4578 4670 4960 5208 5232 5604 5952 6104 6510 6538 6540 6720 6758 6944 6976 7005 7440 7472 7630 8680 8720 9156 9340 9807 9920 10137 10416 10464 11208 11445 11904 12208 13020 13076 13080 13440 13516 13888 13952 14010 14477 14880 14944 15260 16345 16895 17360 17440 18312 18680 19614 19840 20274 20832 20928 22416 22890 23653 24416 26040 26152 26160 27032 27776 28020 28954 29760 29888 30520 32690 33790 34720 34880 36624 37360 39228 40548 41664 41856 43431 44832 45780 47306 48832 49035 50685 50903 52080 52304 52320 54064 56040 57908 59520 59776 61040 65380 67580 69440 69760 70959 72385 73248 74720 78456 81096 83328 86862 89664 91560 94612 97664 98070 101339 101370 101806 104160 104608 104640 108128 112080 115816 118265 122080 130760 135160 138880 141918 144770 146496 149440 152709 156912 162192 173724 179328 183120 189224 196140 202678 202740 203612 208320 209216 209280 216256 217155 224160 231632 236530 244160 254515 261520 270320 283836 289540 292992 298880 304017 305418 313824 324384 347448 354795 356321 366240 378448 392280 405356 405480 407224 416640 418432 432512 434310 448320 463264 473060 488320 506695 509030 523040 540640 567672 579080 608034 610836 627648 648768 694896 709590 712642 732480 756896 763545 784560 810712 810960 814448 868620 896640 926528 946120 1013390 1018060 1046080 1068963 1081280 1135344 1158160 1216068 1221672 1255296 1297536 1389792 1419180 1425284 1464960 1513792 1520085 1527090 1569120 1577993 1621424 1621920 1628896 1737240 1781605 1853056 1892240 2026780 2036120 2092160 2137926 2162560 2270688 2316320 2432136 2443344 2779584 2838360 2850568 3027584 3040170 3054180 3138240 3155986 3242848 3243840 3257792 3474480 3563210 3784480 4053560 4072240 4275852 4541376 4632640 4733979 4864272 4886688 5344815 5559168 5676720 5701136 6080340 6108360 6276480 6311972 6485696 6487680 6515584 6948960 7126420 7568960 7889965 8107120 8144480 8551704 9082752 9265280 9467958 9728544 9773376 10689630 11045951 11353440 11402272 12160680 12216720 12623944 12971392 13897920 14252840 15137920 15779930 16214240 16288960 17103408 18935916 19457088 19546752 21379260 22091902 22706880 22804544 23669895 24321360 24433440 25247888 27795840 28505680 31559860 32428480 32577920 33137853 34206816 37871832 38914176 42758520 44183804 45413760 45609088 47339790 48642720 48866880 50495776 55229755 57011360 63119720 64856960 66275706 68413632 75743664 85517040 88367608 94679580 97285440 97733760 100991552 110459510 114022720 126239440 132551412 136827264 151487328 165689265 171034080 176735216 189359160 194570880 201983104 220919020 228045440 252478880 265102824 302974656 331378530 342068160 353470432 378718320 441838040 504957760 530205648 605949312 662757060 684136320 706940864 757436640 883676080 1009915520 1060411296 1325514120 1413881728 1514873280 1767352160 2120822592 2651028240 3029746560 3534704320 4241645184 5302056480 7069408640 10604112960 21208225920
- Sum of all divisors σ(n): 80654745600
- Sum of proper divisors (its aliquot sum) s(n): 59446519680
- 21208225920 is an abundant number, because the sum of its proper divisors (59446519680) is greater than itself. Its abundance is 38238293760
Bases of 21208225920
- Binary: 100111100000001101111011000100000002
- Hexadecimal: 0x4F01BD880
- Base-36: 9QQTVUO
Squares and roots of 21208225920
- 21208225920 squared (212082259202) is 449788846673759846400
- 21208225920 cubed (212082259203) is 9539223476553339358275698688000
-
The
square root of 21208225920 is 145630.4429712415 -
The
cube root of 21208225920 is 2768.0129249733
Scales and comparisons
How big is 21208225920?- 21,208,225,920 seconds is equal to 674 years, 18 weeks, 3 days, 13 hours, 52 minutes.
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To count from 1 to 21,208,225,920 would take you about one thousand, three hundred forty-eight 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 21208225920 cubic inches would be around 230.7 feet tall.
Recreational maths with 21208225920
- 21208225920 backwards is 02952280212
- The number of decimal digits it has is: 11
- The sum of 21208225920's digits is 33
- More coming soon!
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