20471840640

Names of 20471840640

• Cardinal: 20471840640 can be written as Twenty billion, four hundred seventy-one million, eight hundred forty thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.047184064 × 10¹⁰

Factors of 20471840640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 561

Divisors of 20471840640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 85 90 96 102 108 120 128 135 136 144 153 160 170 180 192 204 216 227 240 255 270 272 288 306 307 320 340 360 384 408 432 454 459 480 510 540 544 576 612 614 640 680 681 720 765 816 864 908 918 921 960 1020 1080 1088 1135 1152 1224 1228 1360 1362 1440 1530 1535 1632 1728 1816 1836 1842 1920 2040 2043 2160 2176 2270 2295 2448 2456 2720 2724 2763 2880 3060 3070 3264 3405 3456 3632 3672 3684 3859 4080 4086 4320 4540 4590 4605 4896 4912 5219 5440 5448 5526 5760 6120 6129 6140 6528 6810 7264 7344 7368 7718 8160 8172 8289 8640 9080 9180 9210 9792 9824 10215 10438 10880 10896 11052 11577 12240 12258 12280 13620 13815 14528 14688 14736 15436 15657 16320 16344 16578 17280 18160 18360 18420 19295 19584 19648 20430 20876 21792 22104 23154 24480 24516 24560 26095 27240 27630 29056 29376 29472 30645 30872 31314 32640 32688 33156 34731 36320 36720 36840 38590 39296 40860 41445 41752 43584 44208 46308 46971 48960 49032 49120 52190 54480 55260 57885 58752 58944 61290 61744 62628 65376 66312 69462 69689 72640 73440 73680 77180 78285 81720 82890 83504 87168 88416 92616 93942 97920 98064 98240 104193 104380 108960 110520 115770 117888 122580 123488 125256 130752 132624 138924 139378 140913 145280 146880 147360 154360 156570 163440 165780 167008 173655 176832 185232 187884 196128 196480 208386 208760 209067 217920 221040 231540 234855 245160 246976 250512 261504 265248 277848 278756 281826 293760 294720 308720 313140 326880 331560 334016 347310 348445 353664 370464 375768 392256 416772 417520 418134 435840 442080 463080 469710 490320 493952 501024 520965 530496 555696 557512 563652 589440 617440 626280 627201 653760 663120 668032 694620 696890 704565 740928 751536 784512 833544 835040 836268 884160 926160 939420 980640 1002048 1041930 1045335 1060992 1111392 1115024 1127304 1184713 1234880 1252560 1254402 1307520 1326240 1389240 1393780 1409130 1481856 1503072 1667088 1670080 1672536 1768320 1852320 1878840 1881603 1961280 2004096 2083860 2090670 2222784 2230048 2254608 2369426 2469760 2505120 2508804 2652480 2778480 2787560 2818260 3006144 3136005 3334176 3340160 3345072 3554139 3704640 3757680 3763206 3922560 4167720 4181340 4445568 4460096 4509216 4738852 5010240 5017608 5304960 5556960 5575120 5636520 5923565 6012288 6272010 6668352 6690144 7108278 7409280 7515360 7526412 8335440 8362680 8920192 9018432 9408015 9477704 10020480 10035216 10662417 11113920 11150240 11273040 11847130 12544020 13336704 13380288 14216556 15030720 15052824 16670880 16725360 17770695 18036864 18816030 18955408 20070432 21324834 22227840 22300480 22546080 23694260 25088040 26760576 28433112 30061440 30105648 31987251 33341760 33450720 35541390 37632060 37910816 40140864 42649668 44600960 45092160 47388520 50176080 53312085 56866224 60211296 63974502 66683520 66901440 71082780 75264120 75821632 80281728 85299336 90184320 94777040 100352160 106624170 113732448 120422592 127949004 133802880 142165560 150528240 151643264 159936255 170598672 189554080 200704320 213248340 227464896 240845184 255898008 284331120 301056480 319872510 341197344 379108160 401408640 426496680 454929792 511796016 568662240 602112960 639745020 682394688 758216320 852993360 1023592032 1137324480 1204225920 1279490040 1364789376 1705986720 2047184064 2274648960 2558980080 3411973440 4094368128 5117960160 6823946880 10235920320 20471840640
• Sum of all divisors σ(n): 77358758400
• Sum of proper divisors (its aliquot sum) s(n): 56886917760
• 20471840640 is an abundant number, because the sum of its proper divisors (56886917760) is greater than itself. Its abundance is 36415077120

Bases of 20471840640

• Binary: 10011000100001101110111111110000000₂
• Hexadecimal: 0x4C4377F80
• Base-36: 9EKELC0

Squares and roots of 20471840640

• 20471840640 squared (20471840640²) is 419096259189555609600
• 20471840640 cubed (20471840640³) is 8579671830948717992149254144000
• The square root of 20471840640 is 143079.8400893711
• The cube root of 20471840640 is 2735.5981250305

Scales and comparisons

• 20,471,840,640 seconds is equal to 650 years, 48 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 20,471,840,640 would take you about one thousand, three hundred one 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 20471840640 cubic inches would be around 228 feet tall.

Recreational maths with 20471840640

• 20471840640 backwards is 04604817402
• 20471840640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20471840640's digits is 36
• More coming soon!