20400273972

Names of 20400273972

• Cardinal: 20400273972 can be written as Twenty billion, four hundred million, two hundred seventy-three thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.0400273972 × 10¹⁰

Factors of 20400273972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1945

Divisors of 20400273972

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 12 13 17 18 26 34 36 37 39 51 52 68 74 78 102 111 117 148 153 156 204 221 222 234 306 333 442 444 468 481 612 629 663 666 884 962 1258 1326 1332 1369 1443 1873 1887 1924 1989 2516 2652 2738 2886 3746 3774 3978 4107 4329 5476 5619 5661 5772 7492 7548 7956 8177 8214 8658 11238 11322 12321 16354 16428 16857 17316 17797 22476 22644 23273 24349 24531 24642 31841 32708 33714 35594 46546 48698 49062 49284 53391 63682 67428 69301 69819 71188 73047 73593 93092 95523 97396 98124 106782 127364 138602 139638 146094 147186 160173 191046 207903 209457 213564 219141 277204 279276 286569 292188 294372 302549 320346 382092 413933 415806 418914 438282 573138 605098 623709 640692 827866 831612 837828 876564 900913 907647 1146276 1178117 1210196 1241799 1247418 1655732 1801826 1815294 2356234 2483598 2494836 2564137 2702739 2722941 3534351 3603652 3630588 3725397 4712468 4967196 5128274 5405478 5445882 7068702 7450794 7692411 8108217 10256548 10603053 10810956 10891764 14137404 14901588 15315521 15384822 16216434 21206106 23077233 30631042 30769644 32432868 33333781 42412212 43590329 45946563 46154466 61262084 66667562 87180658 91893126 92308932 100001343 130770987 133335124 137839689 174361316 183786252 200002686 261541974 275679378 300004029 392312961 400005372 523083948 551358756 566674277 600008058 784625922 1133348554 1200016116 1569251844 1700022831 2266697108 3400045662 5100068493 6800091324 10200136986 20400273972
• Sum of all divisors σ(n): 60465217176
• Sum of proper divisors (its aliquot sum) s(n): 40064943204
• 20400273972 is an abundant number, because the sum of its proper divisors (40064943204) is greater than itself. Its abundance is 19664669232

Bases of 20400273972

• Binary: 10010111111111100110111101000110100₂
• Hexadecimal: 0x4BFF37A34
• Base-36: 9DDSO50

Squares and roots of 20400273972

• 20400273972 squared (20400273972²) is 416171178132660656784
• 20400273972 cubed (20400273972³) is 8490006053156292759699060426048
• The square root of 20400273972 is 142829.5276614749
• The cube root of 20400273972 is 2732.4066480589

Scales and comparisons

• 20,400,273,972 seconds is equal to 648 years, 34 weeks, 4 days, 6 hours, 46 minutes, 12 seconds.
• To count from 1 to 20,400,273,972 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 20400273972 cubic inches would be around 227.7 feet tall.

Recreational maths with 20400273972

• 20400273972 backwards is 27937200402
• 20400273972 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20400273972's digits is 36
• More coming soon!