18089649394864

Names of 18089649394864

• Cardinal: 18089649394864 can be written as Eighteen trillion, eighty-nine billion, six hundred forty-nine million, three hundred ninety-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8089649394864 × 10¹³

Factors of 18089649394864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 460977

Divisors of 18089649394864

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 19 29 38 58 61 73 76 116 122 146 152 232 244 292 304 464 488 551 584 976 1102 1159 1168 1387 1769 2117 2204 2318 2774 3538 4234 4408 4453 4636 5548 7076 8468 8816 8906 9272 11096 14152 16936 17812 18544 22192 28304 33611 33872 35624 40223 67222 71248 80446 84607 129137 134444 160892 169214 258274 268888 321784 338428 460793 516548 537776 643568 676856 921586 1033096 1353712 1843172 2066192 2453603 3686344 4907206 7372688 8755067 9814412 13362997 17510134 19628824 26725994 28108373 33637889 35020268 39257648 53451988 56216746 67275778 70040536 106903976 112433492 134551556 140081072 213807952 224866984 253896943 269103112 449733968 507793886 534059087 538206224 639119891 815142817 975498781 1015587772 1068118174 1278239782 1630285634 1950997562 2031175544 2051911229 2136236348 2556479564 3260571268 3901995124 4062351088 4103822458 4272472696 5112959128 6521142536 7803990248 8207644916 8544945392 10225918256 13042285072 15487713523 15607980496 16415289832 18534476839 30975427046 32830579664 37068953678 38986313351 59505425641 61950854092 74137907356 77972626702 119010851282 123901708184 148275814712 155945253404 238021702564 247803416368 296551629424 311890506808 476043405128 623781013616 952086810256 1130603087179 2261206174358 4522412348716 9044824697432 18089649394864
• Sum of all divisors σ(n): 39322685419200
• Sum of proper divisors (its aliquot sum) s(n): 21233036024336
• 18089649394864 is an abundant number, because the sum of its proper divisors (21233036024336) is greater than itself. Its abundance is 3143386629472

Bases of 18089649394864

• Binary: 100000111001111010011001000000101010010110000₂
• Hexadecimal: 0x1073D32054B0
• Base-36: 6EU9Q6SOG

Squares and roots of 18089649394864

• 18089649394864 squared (18089649394864²) is 327235415229103481389578496
• 18089649394864 cubed (18089649394864³) is 5919573931077221562040224326002427244544
• The square root of 18089649394864 is 4253192.8471283783
• The cube root of 18089649394864 is 26250.8507756857

Scales and comparisons

• 18,089,649,394,864 seconds is equal to 575,194 years, 46 weeks, 4 days, 1 hour, 41 minutes, 4 seconds.
• To count from 1 to 18,089,649,394,864 would take you about one million, four hundred thirty-seven thousand, nine hundred eighty-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 18089649394864 cubic inches would be around 2187.6 feet tall.

Recreational maths with 18089649394864

• 18089649394864 backwards is 46849394698081
• The number of decimal digits it has is: 14
• The sum of 18089649394864's digits is 79
• More coming soon!