20400273894

Names of 20400273894

• Cardinal: 20400273894 can be written as Twenty billion, four hundred million, two hundred seventy-three thousand, eight hundred ninety-four.

Scientific notation

• Scientific notation: 2.0400273894 × 10¹⁰

Factors of 20400273894

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 152

Divisors of 20400273894

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 11 13 14 19 21 22 26 33 38 39 42 57 66 77 78 91 97 114 133 143 154 182 194 209 231 247 266 273 286 291 361 399 418 429 462 494 546 582 627 679 722 741 798 858 1001 1067 1083 1254 1261 1358 1463 1482 1729 1843 2002 2037 2134 2166 2522 2527 2717 2926 3003 3201 3458 3686 3783 3971 4074 4389 4693 5054 5187 5434 5529 6006 6402 7469 7566 7581 7942 8151 8778 8827 9386 9409 10374 11058 11913 12901 13871 14079 14938 15162 16302 17654 18818 19019 20273 22407 23826 23959 25802 26481 27742 27797 28158 28227 32851 35017 38038 38703 40546 41613 44814 47918 51623 52962 55594 56454 57057 60819 65702 65863 70034 71877 77406 83226 83391 97097 98553 103246 103499 105051 114114 121638 122317 131726 141911 143754 154869 166782 167713 178771 194194 197106 197589 206998 210102 244634 245119 263549 283822 291291 309738 310497 335426 357542 361361 366951 385187 395178 425733 455221 490238 503139 527098 536313 582582 620994 722722 724493 733902 735357 770374 790647 851466 856219 910442 1006278 1072626 1084083 1155561 1251397 1345487 1365663 1448986 1470714 1581294 1712438 1844843 1966481 2168166 2173479 2311122 2324023 2502794 2568657 2690974 2696309 2731326 3186547 3396649 3689686 3754191 3932962 4036461 4346958 4648046 5007431 5137314 5392618 5534529 5899443 6373094 6793298 6972069 7508382 8072922 8088927 9418409 9559641 10014862 10189947 11069058 11798886 13765367 13944138 15022293 16177854 16268161 18836818 19119282 20379894 23776543 25564253 27530734 28255227 30044586 32536322 35052017 37363139 41296101 44156437 47553086 48804483 51128506 56510454 70104034 71329629 74726278 76692759 82592202 88312874 97608966 105156051 112089417 132469311 142659258 153385518 178949771 210312102 224178834 261541973 264938622 309095059 357899542 485720807 523083946 536849313 618190118 784625919 927285177 971441614 1073698626 1457162421 1569251838 1854570354 2914324842 3400045649 6800091298 10200136947 20400273894
• Sum of all divisors σ(n): 58418309376
• Sum of proper divisors (its aliquot sum) s(n): 38018035482
• 20400273894 is an abundant number, because the sum of its proper divisors (38018035482) is greater than itself. Its abundance is 17617761588

Bases of 20400273894

• Binary: 10010111111111100110111100111100110₂
• Hexadecimal: 0x4BFF379E6
• Base-36: 9DDSO2U

Squares and roots of 20400273894

• 20400273894 squared (20400273894²) is 416171174950217923236
• 20400273894 cubed (20400273894³) is 8490005955772237449002266800984
• The square root of 20400273894 is 142829.5273884221
• The cube root of 20400273894 is 2732.4066445763

Scales and comparisons

• 20,400,273,894 seconds is equal to 648 years, 34 weeks, 4 days, 6 hours, 44 minutes, 54 seconds.
• To count from 1 to 20,400,273,894 would take you about one thousand, two hundred ninety-seven 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 20400273894 cubic inches would be around 227.7 feet tall.

Recreational maths with 20400273894

• 20400273894 backwards is 49837200402
• 20400273894 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20400273894's digits is 39
• More coming soon!