18315991127908734

Names of 18315991127908734

• Cardinal: 18315991127908734 can be written as Eighteen quadrillion, three hundred fifteen trillion, nine hundred ninety-one billion, one hundred twenty-seven million, nine hundred eight thousand, seven hundred thirty-four.

Scientific notation

• Scientific notation: 1.8315991127908734 × 10¹⁶

Factors of 18315991127908734

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5340242

Divisors of 18315991127908734

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 23 26 39 46 69 78 138 299 598 683 897 1366 1794 2049 2801 4098 5602 8403 8879 15709 16806 17758 26637 31418 36413 47127 53274 64423 72826 94254 109239 128846 193269 204217 218478 386538 408434 612651 837499 1225302 1674998 1913083 2512497 3826166 5024994 5336717 5739249 10673434 11478498 16010151 24870079 32020302 44000909 49740158 69377321 74610237 88001818 122744491 132002727 138754642 149220474 208131963 245488982 264005454 368233473 416263926 572011817 736466946 1144023634 1595678383 1716035451 3191356766 3432070902 3644977711 4787035149 7289955422 9574070298 10934933133 14948144317 21869866266 29896288634 44844432951 47384710243 83834487353 89688865902 94769420486 142154130729 167668974706 194325876121 251503462059 284308261458 343807319291 388651752242 503006924118 582977628363 687614638582 1031421957873 1089848335589 1165955256726 2062843915746 2179696671178 3269545006767 4469495150783 6539090013534 8938990301566 10209582568511 13408485452349 20419165137022 26816970904698 30628747705533 61257495411066 132724573390643 234820399075753 265449146781286 398173720171929 469640798151506 704461197227259 796347440343858 1408922394454518 3052665187984789 6105330375969578 9157995563954367 18315991127908734
• Sum of all divisors σ(n): 41240033629498368
• Sum of proper divisors (its aliquot sum) s(n): 22924042501589634
• 18315991127908734 is an abundant number, because the sum of its proper divisors (22924042501589634) is greater than itself. Its abundance is 4608051373680900

Bases of 18315991127908734

• Binary: 1000001000100100100110000000000111000110110000101111110₂
• Hexadecimal: 0x41124C00E3617E
• Base-36: 50CH65WOHA6

Squares and roots of 18315991127908734

• 18315991127908734 squared (18315991127908734²) is 335475530997631457891432233482756
• 18315991127908734 cubed (18315991127908734³) is 6144566849383089261941148543047463982767730790904
• The square root of 18315991127908734 is 135336584.5878664621
• The cube root of 18315991127908734 is 263598.8279037763

Scales and comparisons

• 18,315,991,127,908,734 seconds is equal to 582,391,862 years, 40 weeks, 6 days, 11 hours, 58 minutes, 54 seconds.
• To count from 1 to 18,315,991,127,908,734 would take you about one billion, seven hundred forty-seven million, one hundred seventy-five thousand, five 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 18315991127908734 cubic inches would be around 21966.6 feet tall.

Recreational maths with 18315991127908734

• 18315991127908734 backwards is 43780972119951381
• 18315991127908734 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18315991127908734's digits is 78
• More coming soon!