18439008016

Names of 18439008016

• Cardinal: 18439008016 can be written as Eighteen billion, four hundred thirty-nine million, eight thousand and sixteen.

Scientific notation

• Scientific notation: 1.8439008016 × 10¹⁰

Factors of 18439008016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19864

Divisors of 18439008016

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 37 44 52 74 88 104 121 143 148 176 208 242 286 296 407 481 484 572 592 814 962 968 1144 1573 1628 1924 1936 2288 3146 3256 3848 4477 5291 6292 6512 7696 8954 10582 12584 17908 19801 21164 25168 35816 39602 42328 58201 71632 79204 84656 116402 158408 217811 232804 257413 316816 435622 465608 514826 732637 871244 931216 1029652 1465274 1742488 2059304 2395921 2831543 2930548 3484976 4118608 4791842 5663086 5861096 8059007 9524281 9583684 11326172 11722192 16118014 19048562 19167368 22652344 31146973 32236028 38097124 38334736 45304688 62293946 64472056 76194248 88649077 104767091 124587892 128944112 152388496 177298154 209534182 249175784 354596308 419068364 498351568 709192616 838136728 1152438001 1418385232 1676273456 2304876002 4609752004 9219504008 18439008016
• Sum of all divisors σ(n): 43434419672
• Sum of proper divisors (its aliquot sum) s(n): 24995411656
• 18439008016 is an abundant number, because the sum of its proper divisors (24995411656) is greater than itself. Its abundance is 6556403640

Bases of 18439008016

• Binary: 10001001011000011001110111100010000₂
• Hexadecimal: 0x44B0CEF10
• Base-36: 8GY3XN4

Squares and roots of 18439008016

• 18439008016 squared (18439008016²) is 339997016614112256256
• 18439008016 cubed (18439008016³) is 6269207714763701071828230148096
• The square root of 18439008016 is 135790.3089914741
• The cube root of 18439008016 is 2641.8765361953

Scales and comparisons

• 18,439,008,016 seconds is equal to 586 years, 15 weeks, 5 days, 10 hours, 40 minutes, 16 seconds.
• To count from 1 to 18,439,008,016 would take you about one thousand, one hundred seventy-two 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 18439008016 cubic inches would be around 220.2 feet tall.

Recreational maths with 18439008016

• 18439008016 backwards is 61080093481
• The number of decimal digits it has is: 11
• The sum of 18439008016's digits is 40
• More coming soon!