9018689394

Names of 9018689394

• Cardinal: 9018689394 can be written as Nine billion, eighteen million, six hundred eighty-nine thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 9.018689394 × 10⁹

Factors of 9018689394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 107

Divisors of 9018689394

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 11 13 22 26 33 37 39 41 66 74 78 82 111 123 143 169 222 246 286 338 407 429 451 481 507 533 814 858 902 962 1014 1066 1221 1353 1443 1517 1599 1681 1859 2197 2442 2706 2886 3034 3198 3362 3718 4394 4551 5043 5291 5577 5863 6253 6591 6929 9102 10086 10582 11154 11726 12506 13182 13858 15873 16687 17589 18491 18759 19721 20787 21853 24167 31746 33374 35178 36982 37518 39442 41574 43706 48334 50061 55473 59163 62197 65559 68783 72501 76219 81289 90077 100122 110946 118326 124394 131118 137566 145002 152438 162578 180154 186591 206349 216931 228657 240383 243867 256373 270231 284089 373182 412698 433862 457314 480766 487734 512746 540462 568178 650793 684167 721149 769119 808561 852267 894179 990847 1301586 1368334 1442298 1538238 1617122 1704534 1788358 1981694 2052501 2425683 2682537 2820103 2972541 3124979 3332849 3693157 4105002 4851366 5365074 5640206 5945082 6249958 6665698 7386314 8460309 8894171 9374937 9998547 10511293 11079471 16920618 17788342 18749874 19997094 21022586 22158942 26682513 31533879 36661339 40624727 53365026 63067758 73322678 81249454 109984017 115624223 121874181 136646809 219968034 231248446 243748362 273293618 346872669 409940427 693745338 819880854 1503114899 3006229798 4509344697 9018689394
• Sum of all divisors σ(n): 22439249280
• Sum of proper divisors (its aliquot sum) s(n): 13420559886
• 9018689394 is an abundant number, because the sum of its proper divisors (13420559886) is greater than itself. Its abundance is 4401870492

Bases of 9018689394

• Binary: 1000011001100011100100011101110010₂
• Hexadecimal: 0x2198E4772
• Base-36: 455HT9U

Squares and roots of 9018689394

• 9018689394 squared (9018689394²) is 81336758385448087236
• 9018689394 cubed (9018689394³) is 733550960193181228292899974984
• The square root of 9018689394 is 94966.7804761223
• The cube root of 9018689394 is 2081.5226611077

Scales and comparisons

• 9,018,689,394 seconds is equal to 286 years, 39 weeks, 5 days, 23 hours, 29 minutes, 54 seconds.
• To count from 1 to 9,018,689,394 would take you about five hundred seventy-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 9018689394 cubic inches would be around 173.5 feet tall.

Recreational maths with 9018689394

• 9018689394 backwards is 4939868109
• The number of decimal digits it has is: 10
• The sum of 9018689394's digits is 57
• More coming soon!