18138160857836

Names of 18138160857836

• Cardinal: 18138160857836 can be written as Eighteen trillion, one hundred thirty-eight billion, one hundred sixty million, eight hundred fifty-seven thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.8138160857836 × 10¹³

Factors of 18138160857836

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 141

Divisors of 18138160857836

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 29 31 58 62 79 116 124 158 316 841 899 961 1682 1798 1922 2291 2449 3364 3596 3844 4582 4898 6241 9164 9796 12482 24389 24964 26071 27869 29791 48778 52142 55738 59582 66439 71021 75919 97556 104284 111476 119164 132878 142042 151838 180989 193471 265756 284084 303676 361978 386942 723956 756059 773884 808201 863939 1512118 1616402 1727878 1926731 2059609 2201651 2353489 3024236 3232804 3455756 3853462 4119218 4403302 4706978 5248681 5610659 5997601 7706924 8238436 8806604 9413956 10497362 11221318 11995202 20994724 22442636 23437829 23990404 25054231 46875658 50108462 59728661 63847879 68251181 93751316 100216924 119457322 127695758 136502362 152211749 162709111 173930429 185925631 238914644 255391516 273004724 304423498 325418222 347860858 371851262 608846996 650836444 695721716 726572699 743702524 1453145398 1851588491 1979284249 2906290796 3703176982 3958568498 4718564219 5043982441 5391843299 7406353964 7917136996 9437128438 10087964882 10783686598 18874256876 20175929764 21567373196 57399243221 114798486442 146275490789 156363455671 229596972884 292550981578 312726911342 585101963156 625453822684 4534540214459 9069080428918 18138160857836
• Sum of all divisors σ(n): 34406637108480
• Sum of proper divisors (its aliquot sum) s(n): 16268476250644
• 18138160857836 is a deficient number, because the sum of its proper divisors (16268476250644) is less than itself. Its deficiency is 1869684607192

Bases of 18138160857836

• Binary: 100000111111100011110101000101000001011101100₂
• Hexadecimal: 0x107F1EA282EC
• Base-36: 6FGK0NT2K

Squares and roots of 18138160857836

• 18138160857836 squared (18138160857836²) is 328992879304733979402602896
• 18138160857836 cubed (18138160857836³) is 5967325765911889287096893698922617893056
• The square root of 18138160857836 is 4258891.9753658933
• The cube root of 18138160857836 is 26274.2956838337

Scales and comparisons

• 18,138,160,857,836 seconds is equal to 576,737 years, 21 weeks, 2 days, 8 hours, 3 minutes, 56 seconds.
• To count from 1 to 18,138,160,857,836 would take you about one million, four hundred forty-one thousand, eight hundred forty-three 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 18138160857836 cubic inches would be around 2189.5 feet tall.

Recreational maths with 18138160857836

• 18138160857836 backwards is 63875806183181
• The number of decimal digits it has is: 14
• The sum of 18138160857836's digits is 65
• More coming soon!