20665968960

Names of 20665968960

• Cardinal: 20665968960 can be written as Twenty billion, six hundred sixty-five million, nine hundred sixty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.066596896 × 10¹⁰

Factors of 20665968960

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 648

Divisors of 20665968960

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 31 32 35 39 40 42 48 52 56 60 62 64 65 70 78 80 84 91 93 96 104 105 112 120 124 130 140 155 156 160 168 169 182 186 192 195 208 210 217 224 240 248 260 273 280 310 312 320 336 338 364 372 390 403 416 420 434 448 455 465 480 496 507 520 546 560 587 620 624 651 672 676 728 744 780 806 832 840 845 868 910 930 960 992 1014 1040 1085 1092 1120 1174 1183 1209 1240 1248 1302 1344 1352 1365 1456 1488 1560 1612 1680 1690 1736 1761 1820 1860 1984 2015 2028 2080 2170 2184 2240 2348 2366 2418 2480 2496 2535 2604 2704 2730 2821 2912 2935 2976 3120 3224 3255 3360 3380 3472 3522 3549 3640 3720 4030 4056 4109 4160 4340 4368 4696 4732 4836 4960 5070 5208 5239 5408 5460 5642 5824 5870 5915 5952 6045 6240 6448 6510 6720 6760 6944 7044 7098 7280 7440 7631 8060 8112 8218 8463 8680 8736 8805 9392 9464 9672 9920 10140 10416 10478 10816 10920 11284 11740 11830 12090 12327 12480 12896 13020 13520 13888 14088 14105 14196 14560 14880 15262 15717 16120 16224 16436 16926 17360 17472 17610 17745 18197 18784 18928 19344 20280 20545 20832 20956 21840 22568 22893 23480 23660 24180 24654 25792 26040 26195 27040 28176 28210 28392 29120 29760 30524 31434 32240 32448 32872 33852 34720 35220 35490 36394 36673 37568 37856 38155 38688 40560 41090 41664 41912 42315 43680 45136 45786 46960 47320 48360 49308 52080 52390 53417 54080 54591 56352 56420 56784 61048 61635 62868 64480 65744 67704 69440 70440 70980 72788 73346 75712 76310 77376 78585 81120 82180 83824 84630 87360 90272 90985 91572 93920 94640 96720 98616 99203 104160 104780 106834 109182 110019 112704 112840 113568 114465 122096 123270 125736 127379 128960 131488 135408 140880 141960 145576 146692 152620 157170 160251 162240 164360 167648 169260 180544 181970 183144 183365 187840 189280 193440 197232 198406 208320 209560 213668 218364 220038 225680 227136 228930 236561 244192 246540 251472 254758 262976 267085 270816 272955 281760 283920 291152 293384 297609 305240 314340 320502 328720 335296 338520 363940 366288 366730 378560 382137 386880 394464 396812 419120 427336 436728 440076 451360 457860 473122 488384 493080 496015 502944 509516 534170 541632 545910 550095 563520 567840 582304 586768 595218 610480 628680 636895 641004 657440 677040 694421 709683 727880 732576 733460 764274 788928 793624 801255 838240 854672 873456 880152 902720 915720 946244 986160 992030 1005888 1019032 1068340 1091820 1100190 1135680 1164608 1173536 1182805 1190436 1220960 1257360 1273790 1282008 1314880 1354080 1388842 1419366 1455760 1465152 1466920 1488045 1528548 1587248 1602510 1655927 1676480 1709344 1746912 1760304 1831440 1892488 1910685 1972320 1984060 2038064 2083263 2136680 2183640 2200380 2347072 2365610 2380872 2441920 2514720 2547580 2564016 2708160 2777684 2838732 2911520 2933840 2976090 3057096 3075293 3174496 3205020 3311854 3418688 3472105 3493824 3520608 3548415 3662880 3784976 3821370 3944640 3968120 4076128 4166526 4273360 4367280 4400760 4731220 4761744 4967781 5029440 5095160 5128032 5555368 5677464 5823040 5867680 5952180 6114192 6150586 6348992 6410040 6623708 6944210 7041216 7096830 7325760 7569952 7642740 7936240 8152256 8279635 8333052 8546720 8734560 8801520 9225879 9462440 9523488 9935562 10190320 10256064 10416315 11110736 11354928 11735360 11904360 12228384 12301172 12820080 13247416 13888420 14193660 15139904 15285480 15376465 15872480 16559270 16666104 17093440 17469120 17603040 18451758 18924880 19046976 19871124 20380640 20832630 21527051 22221472 22709856 23808720 24456768 24602344 24838905 25640160 26494832 27776840 28387320 30570960 30752930 31744960 33118540 33332208 35206080 36903516 37849760 39742248 40761280 41665260 43054102 44442944 45419712 46129395 47617440 49204688 49677810 51280320 52989664 55553680 56774640 61141920 61505860 64581153 66237080 66664416 73807032 75699520 79484496 83330520 86108204 92258790 95234880 98409376 99355620 105979328 107635255 111107360 113549280 122283840 123011720 129162306 132474160 133328832 147614064 158968992 166661040 172216408 184517580 196818752 198711240 215270510 222214720 227098560 246023440 258324612 264948320 295228128 317937984 322905765 333322080 344432816 369035160 397422480 430541020 492046880 516649224 529896640 590456256 645811530 666644160 688865632 738070320 794844960 861082040 984093760 1033298448 1291623060 1377731264 1476140640 1589689920 1722164080 2066596896 2583246120 2952281280 3444328160 4133193792 5166492240 6888656320 10332984480 20665968960
• Sum of all divisors σ(n): 83962109952
• Sum of proper divisors (its aliquot sum) s(n): 63296140992
• 20665968960 is an abundant number, because the sum of its proper divisors (63296140992) is greater than itself. Its abundance is 42630172032

Bases of 20665968960

• Binary: 10011001111110010011010100101000000₂
• Hexadecimal: 0x4CFC9A940
• Base-36: 9HRZFPC

Squares and roots of 20665968960

• 20665968960 squared (20665968960²) is 427082273055683481600
• 20665968960 cubed (20665968960³) is 8826068998334999182330331136000
• The square root of 20665968960 is 143756.6310122771
• The cube root of 20665968960 is 2744.2178879361

Scales and comparisons

• 20,665,968,960 seconds is equal to 657 years, 5 weeks, 6 days, 10 hours, 56 minutes.
• To count from 1 to 20,665,968,960 would take you about one thousand, three hundred fourteen 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 20665968960 cubic inches would be around 228.7 feet tall.

Recreational maths with 20665968960

• 20665968960 backwards is 06986956602
• The number of decimal digits it has is: 11
• The sum of 20665968960's digits is 57
• More coming soon!