81330370707376

Names of 81330370707376

• Cardinal: 81330370707376 can be written as Eighty-one trillion, three hundred thirty billion, three hundred seventy million, seven hundred seven thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1330370707376 × 10¹³

Factors of 81330370707376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3917

Divisors of 81330370707376

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 361 392 532 722 784 931 1064 1444 1862 2128 2527 2888 3724 3889 5054 5776 6859 7448 7778 10108 13718 14896 15556 17689 20216 27223 27436 31112 35378 40432 48013 54446 54872 62224 70756 73891 96026 108892 109744 141512 147782 190561 192052 217784 283024 295564 336091 381122 384104 435568 517237 591128 672182 762244 768208 1034474 1182256 1344364 1403929 1524488 2068948 2688728 2807858 3048976 3620659 4137896 5377456 5615716 7241318 8275792 9827503 11231432 14482636 15124321 19655006 22462864 26674651 28965272 30248642 39310012 53349302 57930544 60497284 68792521 78620024 105870247 106698604 120994568 137585042 157240048 186722557 211740494 213397208 241989136 275170084 287362099 373445114 423480988 426794416 550340168 574724198 741091729 746890228 846961976 1100680336 1149448396 1307057899 1482183458 1493780456 1693923952 2011534693 2298896792 2614115798 2964366916 2987560912 4023069386 4597793584 5228231596 5459879881 5928733832 8046138772 10456463192 10919759762 11857467664 14080742851 16092277544 20912926384 21839519524 28161485702 32184555088 38219159167 43679039048 56322971404 76438318334 87358078096 103737717739 112645942808 152876636668 207475435478 225291885616 267534114169 305753273336 414950870956 535068228338 611506546672 726164024173 829901741912 1070136456676 1452328048346 1659803483824 2140272913352 2904656096692 4280545826704 5083148169211 5809312193384 10166296338422 11618624386768 20332592676844 40665185353688 81330370707376
• Sum of all divisors σ(n): 193536413579880
• Sum of proper divisors (its aliquot sum) s(n): 112206042872504
• 81330370707376 is an abundant number, because the sum of its proper divisors (112206042872504) is greater than itself. Its abundance is 30875672165128

Bases of 81330370707376

• Binary: 10010011111100000110011110110101111111110110000₂
• Hexadecimal: 0x49F833DAFFB0
• Base-36: STUNMTX9S

Squares and roots of 81330370707376

• 81330370707376 squared (81330370707376²) is 6614629199399204118620805376
• 81330370707376 cubed (81330370707376³) is 537970244878970993227165403541579943653376
• The square root of 81330370707376 is 9018335.2514405895
• The cube root of 81330370707376 is 43326.2316376409

Scales and comparisons

• 81,330,370,707,376 seconds is equal to 2,586,054 years, 11 weeks, 2 days, 56 minutes, 16 seconds.
• To count from 1 to 81,330,370,707,376 would take you about six million, four hundred sixty-five thousand, one hundred thirty-five 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 81330370707376 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81330370707376

• 81330370707376 backwards is 67370707303318
• The number of decimal digits it has is: 14
• The sum of 81330370707376's digits is 55
• More coming soon!