818043138

Names of 818043138

• Cardinal: 818043138 can be written as Eight hundred eighteen million, forty-three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.18043138 × 10⁸

Factors of 818043138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 725

Divisors of 818043138

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 27 33 37 38 54 57 66 74 81 99 111 114 162 171 198 209 222 297 333 342 407 418 513 594 627 653 666 703 814 891 999 1026 1221 1254 1306 1406 1539 1782 1881 1959 1998 2109 2442 2997 3078 3663 3762 3918 4218 5643 5877 5994 6327 7183 7326 7733 10989 11286 11754 12407 12654 14366 15466 16929 17631 18981 21549 21978 23199 24161 24814 32967 33858 35262 37221 37962 43098 46398 48322 52893 56943 64647 65934 69597 72483 74442 105786 111663 113886 129294 136477 139194 144966 193941 208791 217449 223326 265771 272954 334989 387882 409431 417582 434898 459059 531542 581823 626373 652347 669978 797313 818862 918118 1004967 1163646 1228293 1252746 1304694 1377177 1594626 1957041 2009934 2391939 2456586 2754354 3684879 3914082 4131531 4783878 5049649 7175817 7369758 8263062 10099298 11054637 12394593 14351634 15148947 21527451 22109274 24789186 30297894 37183779 43054902 45446841 74367558 90893682 136340523 272681046 409021569 818043138
• Sum of all divisors σ(n): 2165106240
• Sum of proper divisors (its aliquot sum) s(n): 1347063102
• 818043138 is an abundant number, because the sum of its proper divisors (1347063102) is greater than itself. Its abundance is 529019964

Bases of 818043138

• Binary: 110000110000100101100100000010₂
• Hexadecimal: 0x30C25902
• Base-36: DJ1I4I

Squares and roots of 818043138

• 818043138 squared (818043138²) is 669194575628887044
• 818043138 cubed (818043138³) is 547430030580033080921304072
• The square root of 818043138 is 28601.4534246077
• The cube root of 818043138 is 935.2450149541

Scales and comparisons

• 818,043,138 seconds is equal to 26 years, 4 days, 2 hours, 12 minutes, 18 seconds.
• To count from 1 to 818,043,138 would take you about thirty-nine 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 818043138 cubic inches would be around 77.9 feet tall.

Recreational maths with 818043138

• 818043138 backwards is 831340818
• The number of decimal digits it has is: 9
• The sum of 818043138's digits is 36
• More coming soon!