20479829818890

Names of 20479829818890

• Cardinal: 20479829818890 can be written as Twenty trillion, four hundred seventy-nine billion, eight hundred twenty-nine million, eight hundred eighteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.047982981889 × 10¹³

Factors of 20479829818890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6913

Divisors of 20479829818890

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 195 230 257 299 345 390 514 598 690 771 897 1285 1495 1542 1794 1877 2570 2990 3341 3754 3855 4485 4733 5631 5911 6682 7710 8970 9385 9466 10023 11262 11822 14199 16705 17733 18770 20046 23665 24401 28155 28398 29555 33410 35466 43171 47330 48802 50115 56310 59110 61529 70995 73203 76843 86342 88665 100230 108859 122005 123058 129513 141990 146406 153686 177330 184587 215855 217718 230529 244010 259026 307645 326577 366015 369174 384215 431710 461058 482389 544295 561223 615290 647565 653154 732030 768430 922935 964778 1088590 1122446 1152645 1216381 1295130 1415167 1447167 1632885 1683669 1845870 2305290 2411945 2432762 2806115 2830334 2894334 3265770 3367338 3649143 4245501 4823890 5612230 6081905 6271057 7075835 7235835 7298286 8418345 8491002 8883841 11094947 12163810 12542114 14151670 14471670 15812953 16836690 17767682 18245715 18813171 21227505 22189894 26651523 27976763 31355285 31625906 33284841 36491430 37626342 42455010 44419205 47438859 53303046 55474735 55953526 62710570 66569682 79064765 83930289 88838410 94065855 94877718 110949470 115489933 133257615 139883815 144234311 158129530 166424205 167860578 188131710 204328343 230979866 237194295 266515230 279767630 288468622 332848410 346469799 363697919 408656686 419651445 432702933 474388590 577449665 612985029 692939598 721171555 727395838 839302890 865405866 1021641715 1091093757 1154899330 1225970058 1442343110 1732348995 1818489595 2043283430 2163514665 2182187514 2283147137 2656268459 3064925145 3464697990 3636979190 4327029330 4566294274 5312536918 5455468785 6129850290 6849441411 7968805377 10910937570 11415735685 13281342295 13698882822 15937610754 22831471370 26562684590 29680912781 34247207055 39844026885 52512384151 59361825562 68494414110 79688053770 89042738343 105024768302 148404563905 157537152453 178085476686 262561920755 296809127810 315074304906 445213691715 525123841510 682660993963 787685762265 890427383430 1365321987926 1575371524530 2047982981889 3413304969815 4095965963778 6826609939630 10239914909445 20479829818890
• Sum of all divisors σ(n): 55490076214272
• Sum of proper divisors (its aliquot sum) s(n): 35010246395382
• 20479829818890 is an abundant number, because the sum of its proper divisors (35010246395382) is greater than itself. Its abundance is 14530416576492

Bases of 20479829818890

• Binary: 100101010000001010100111110110011111000001010₂
• Hexadecimal: 0x12A054FB3E0A
• Base-36: 79CAXWF7U

Squares and roots of 20479829818890

• 20479829818890 squared (20479829818890²) is 419423429410696010200832100
• 20479829818890 cubed (20479829818890³) is 8589720456386277170020152859070298369000
• The square root of 20479829818890 is 4525464.5970209511
• The cube root of 20479829818890 is 27359.5393639075

Scales and comparisons

• 20,479,829,818,890 seconds is equal to 651,195 years, 12 weeks, 3 days, 8 hours, 21 minutes, 30 seconds.
• To count from 1 to 20,479,829,818,890 would take you about one million, six hundred twenty-seven thousand, nine hundred eighty-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 20479829818890 cubic inches would be around 2280 feet tall.

Recreational maths with 20479829818890

• 20479829818890 backwards is 09881892897402
• The number of decimal digits it has is: 14
• The sum of 20479829818890's digits is 75
• More coming soon!