18087438048

Names of 18087438048

• Cardinal: 18087438048 can be written as Eighteen billion, eighty-seven million, four hundred thirty-eight thousand and forty-eight.

Scientific notation

• Scientific notation: 1.8087438048 × 10¹⁰

Factors of 18087438048

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2801

Divisors of 18087438048

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 53 68 79 96 102 106 136 158 159 204 212 237 272 316 318 408 424 474 544 632 636 816 848 901 948 1264 1272 1343 1632 1696 1802 1896 2528 2544 2647 2686 2703 3604 3792 4029 4187 5088 5294 5372 5406 7208 7584 7941 8058 8374 10588 10744 10812 12561 14416 15882 16116 16748 21176 21488 21624 25122 28832 31764 32232 33496 42352 42976 43248 44999 50244 63528 64464 66992 71179 84704 86496 89998 100488 127056 128928 133984 134997 140291 142358 179996 200976 209113 213537 254112 269994 280582 284716 359992 401952 418226 420873 427074 539988 561164 569432 627339 719984 836452 841746 854148 1079976 1122328 1138864 1254678 1439968 1672904 1683492 1708296 2159952 2244656 2277728 2384947 2509356 3345808 3366984 3416592 3554921 4319904 4489312 4769894 5018712 6691616 6733968 6833184 7109842 7154841 9539788 10037424 10664763 11082989 13467936 14219684 14309682 19079576 20074848 21329526 22165978 28439368 28619364 33248967 38159152 42659052 44331956 56878736 57238728 66497934 76318304 85318104 88663912 113757472 114477456 132995868 170636208 177327824 188410813 228954912 265991736 341272416 354655648 376821626 531983472 565232439 753643252 1063966944 1130464878 1507286504 2260929756 3014573008 4521859512 6029146016 9043719024 18087438048
• Sum of all divisors σ(n): 51888936960
• Sum of proper divisors (its aliquot sum) s(n): 33801498912
• 18087438048 is an abundant number, because the sum of its proper divisors (33801498912) is greater than itself. Its abundance is 15714060864

Bases of 18087438048

• Binary: 10000110110000110000110011011100000₂
• Hexadecimal: 0x4361866E0
• Base-36: 8B4SKIO

Squares and roots of 18087438048

• 18087438048 squared (18087438048²) is 327155415140238050304
• 18087438048 cubed (18087438048³) is 5917403303416776966845907566592
• The square root of 18087438048 is 134489.5462405907
• The cube root of 18087438048 is 2624.9781064477

Scales and comparisons

• 18,087,438,048 seconds is equal to 575 years, 6 weeks, 3 days, 8 hours, 20 minutes, 48 seconds.
• To count from 1 to 18,087,438,048 would take you about one thousand, one hundred fifty 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 18087438048 cubic inches would be around 218.7 feet tall.

Recreational maths with 18087438048

• 18087438048 backwards is 84083478081
• 18087438048 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18087438048's digits is 51
• More coming soon!