21943490381904

Names of 21943490381904

• Cardinal: 21943490381904 can be written as Twenty-one trillion, nine hundred forty-three billion, four hundred ninety million, three hundred eighty-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1943490381904 × 10¹³

Factors of 21943490381904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 264404931

Divisors of 21943490381904

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 19 21 24 26 28 38 39 42 48 52 56 57 76 78 84 91 104 112 114 133 152 156 168 182 208 228 247 266 273 304 312 336 364 399 456 494 532 546 624 728 741 798 912 988 1064 1092 1456 1482 1596 1729 1976 2128 2184 2964 3192 3458 3952 4368 5187 5928 6384 6916 10374 11856 13832 20748 27664 41496 82992 264404887 528809774 793214661 1057619548 1586429322 1850834209 2115239096 3172858644 3437263531 3701668418 4230478192 5023692853 5552502627 6345717288 6874527062 7403336836 10047385706 10311790593 11105005254 12691434576 13749054124 14806673672 15071078559 20094771412 20623581186 22210010508 24060844717 27498108248 29613347344 30142157118 35165849971 40189542824 41247162372 44420021016 48121689434 54996216496 60284314236 65308007089 70331699942 72182534151 80379085648 82494324744 88840042032 96243378868 105497549913 120568628472 130616014178 140663399884 144365068302 164988649488 192486757736 195924021267 210995099826 241137256944 261232028356 281326799768 288730136604 384973515472 391848042534 421990199652 457156049623 522464056712 562653599536 577460273208 783696085068 843980399304 914312099246 1044928113424 1154920546416 1371468148869 1567392170136 1687960798608 1828624198492 2742936297738 3134784340272 3657248396984 5485872595476 7314496793968 10971745190952 21943490381904
• Sum of all divisors σ(n): 73441101690880
• Sum of proper divisors (its aliquot sum) s(n): 51497611308976
• 21943490381904 is an abundant number, because the sum of its proper divisors (51497611308976) is greater than itself. Its abundance is 29554120927072

Bases of 21943490381904

• Binary: 100111111010100011101111100110000100001010000₂
• Hexadecimal: 0x13F51DF30850
• Base-36: 7S0P7LXLC

Squares and roots of 21943490381904

• 21943490381904 squared (21943490381904²) is 481516770140713355770665216
• 21943490381904 cubed (21943490381904³) is 10566158614308222699039027882883968651264
• The square root of 21943490381904 is 4684387.9410125717
• The cube root of 21943490381904 is 27996.3814974883

Scales and comparisons

• 21,943,490,381,904 seconds is equal to 697,735 years, 6 weeks, 1 day, 2 hours, 58 minutes, 24 seconds.
• To count from 1 to 21,943,490,381,904 would take you about one million, seven hundred forty-four thousand, three hundred thirty-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 21943490381904 cubic inches would be around 2333 feet tall.

Recreational maths with 21943490381904

• 21943490381904 backwards is 40918309434912
• 21943490381904 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21943490381904's digits is 57
• More coming soon!