20988746240
20,988,746,240 is an even composite number composed of six prime numbers multiplied together.
20988746240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 20988746240:
29 × 5 × 73 × 11 × 41 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 11 × 41 × 53)See below for interesting mathematical facts about the number 20988746240 from the Numbermatics database.
Names of 20988746240
- Cardinal: 20988746240 can be written as Twenty billion, nine hundred eighty-eight million, seven hundred forty-six thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.098874624 × 1010
Factors of 20988746240
Divisors of 20988746240
- Number of divisors d(n): 640
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 41 44 49 53 55 56 64 70 77 80 82 88 98 106 110 112 128 140 154 160 164 176 196 205 212 220 224 245 256 265 280 287 308 320 328 343 352 371 385 392 410 424 440 448 451 490 512 530 539 560 574 583 616 640 656 686 704 742 770 784 820 848 880 896 902 980 1060 1078 1120 1148 1166 1232 1280 1312 1372 1408 1435 1484 1540 1568 1640 1696 1715 1760 1792 1804 1855 1960 2009 2120 2156 2173 2240 2255 2296 2332 2464 2560 2597 2624 2695 2744 2816 2870 2915 2968 3080 3136 3157 3280 3392 3430 3520 3584 3608 3710 3773 3920 4018 4081 4240 4312 4346 4480 4510 4592 4664 4928 5194 5248 5390 5488 5632 5740 5830 5936 6160 6272 6314 6560 6784 6860 7040 7216 7420 7546 7840 8036 8162 8480 8624 8692 8960 9020 9184 9328 9856 10045 10388 10496 10780 10865 10976 11480 11660 11872 12320 12544 12628 12985 13120 13568 13720 14063 14080 14432 14840 15092 15211 15680 15785 16072 16324 16960 17248 17384 17920 18040 18179 18368 18656 18865 19712 20090 20405 20776 20992 21560 21730 21952 22099 22960 23320 23744 23903 24640 25088 25256 25970 26240 27136 27440 28126 28160 28567 28864 29680 30184 30422 31360 31570 32144 32648 33920 34496 34768 36080 36358 36736 37312 37730 39424 40180 40810 41552 43120 43460 43904 44198 45920 46640 47488 47806 49280 50512 51940 52480 54880 56252 57134 57728 59360 60368 60844 62720 63140 64288 65296 67840 68992 69536 70315 72160 72716 73472 74624 75460 76055 80360 81620 83104 86240 86920 87808 88396 90895 91840 93280 94976 95612 98560 101024 103880 104960 106477 109760 110495 112504 114268 115456 118720 119515 120736 121688 125440 126280 128576 130592 135680 137984 139072 140630 142835 144320 145432 146944 149248 150920 152110 154693 160720 163240 166208 167321 172480 173840 175616 176792 181790 183680 186560 189952 191224 197120 199969 202048 207760 212954 219520 220990 225008 228536 230912 237440 239030 241472 243376 252560 257152 261184 275968 278144 281260 285670 288640 290864 298496 301840 304220 309386 321440 326480 332416 334642 344960 347680 353584 363580 367360 373120 382448 399938 404096 415520 425908 439040 441980 450016 457072 474880 478060 482944 486752 505120 514304 522368 532385 556288 562520 571340 577280 581728 603680 608440 618772 642880 652960 664832 669284 689920 695360 707168 727160 734720 745339 746240 764896 773465 799876 808192 831040 836605 851816 878080 883960 900032 914144 949760 956120 965888 973504 999845 1010240 1028608 1044736 1064770 1112576 1125040 1142680 1154560 1163456 1171247 1207360 1216880 1237544 1285760 1305920 1329664 1338568 1379840 1390720 1414336 1454320 1490678 1492480 1529792 1546930 1599752 1616384 1662080 1673210 1703632 1767920 1800064 1828288 1912240 1931776 1947008 1999690 2020480 2089472 2129540 2250080 2285360 2326912 2342494 2414720 2433760 2475088 2571520 2611840 2677136 2781440 2828672 2908640 2981356 3059584 3093860 3199504 3324160 3346420 3407264 3535840 3600128 3656576 3726695 3824480 3894016 3999380 4040960 4259080 4500160 4570720 4653824 4684988 4829440 4867520 4950176 5143040 5223680 5354272 5562880 5657344 5817280 5856235 5962712 6119168 6187720 6399008 6648320 6692840 6814528 7071680 7200256 7313152 7453390 7648960 7788032 7998760 8081920 8198729 8518160 9000320 9141440 9307648 9369976 9658880 9735040 9900352 10447360 10708544 11314688 11634560 11712470 11925424 12238336 12375440 12798016 13385680 13629056 14143360 14626304 14906780 15297920 15997520 16397458 17036320 18000640 18282880 18739952 19470080 19800704 21417088 23269120 23424940 23850848 24750880 25596032 26771360 27258112 28286720 29813560 30595840 31995040 32794916 34072640 36001280 36565760 37479904 38940160 39601408 40993645 42834176 46538240 46849880 47701696 49501760 51192064 53542720 54516224 56573440 59627120 61191680 63990080 65589832 68145280 73131520 74959808 79202816 81987290 85668352 93699760 95403392 99003520 102384128 107085440 119254240 127980160 131179664 136290560 149919616 163974580 187399520 190806784 198007040 214170880 238508480 255960320 262359328 272581120 299839232 327949160 374799040 381613568 396014080 428341760 477016960 511920640 524718656 599678464 655898320 749598080 954033920 1049437312 1311796640 1499196160 1908067840 2098874624 2623593280 2998392320 4197749248 5247186560 10494373120 20988746240
- Sum of all divisors σ(n): 66820723200
- Sum of proper divisors (its aliquot sum) s(n): 45831976960
- 20988746240 is an abundant number, because the sum of its proper divisors (45831976960) is greater than itself. Its abundance is 24843230720
Bases of 20988746240
- Binary: 100111000110000011011011010000000002
- Hexadecimal: 0x4E306DA00
- Base-36: 9N45O8W
Squares and roots of 20988746240
- 20988746240 squared (209887462402) is 440527468727114137600
- 20988746240 cubed (209887462403) is 9246119252862934441602842624000
-
The
square root of 20988746240 is 144874.9330974823 -
The
cube root of 20988746240 is 2758.4312586291
Scales and comparisons
How big is 20988746240?- 20,988,746,240 seconds is equal to 667 years, 19 weeks, 4 days, 7 hours, 17 minutes, 20 seconds.
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To count from 1 to 20,988,746,240 would take you about one thousand, three hundred thirty-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 20988746240 cubic inches would be around 229.9 feet tall.
Recreational maths with 20988746240
- 20988746240 backwards is 04264788902
- The number of decimal digits it has is: 11
- The sum of 20988746240's digits is 50
- More coming soon!
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