18312472992

Names of 18312472992

• Cardinal: 18312472992 can be written as Eighteen billion, three hundred twelve million, four hundred seventy-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8312472992 × 10¹⁰

Factors of 18312472992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 432

Divisors of 18312472992

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 19 22 24 32 33 38 44 48 57 66 76 88 96 114 121 132 152 176 209 228 242 264 304 352 361 363 397 418 456 484 528 608 627 722 726 794 836 912 968 1056 1083 1191 1254 1331 1444 1452 1588 1672 1824 1936 2166 2299 2382 2508 2662 2888 2904 3176 3344 3872 3971 3993 4332 4367 4598 4764 5016 5324 5776 5808 6352 6688 6897 7543 7942 7986 8664 8734 9196 9528 10032 10648 11552 11616 11913 12704 13101 13794 15086 15884 15972 17328 17468 18392 19056 20064 21296 22629 23826 25289 26202 27588 30172 31768 31944 34656 34936 36784 38112 42592 43681 45258 47652 48037 50578 52404 55176 60344 63536 63888 69872 73568 75867 82973 87362 90516 95304 96074 101156 104808 110352 120688 127072 127776 131043 139744 143317 144111 151734 165946 174724 181032 190608 192148 202312 209616 220704 241376 248919 262086 286634 288222 303468 331892 349448 362064 381216 384296 404624 419232 429951 480491 497838 524172 528407 573268 576444 606936 663784 698896 724128 768592 809248 859902 912703 960982 995676 1048344 1056814 1146536 1152888 1213872 1327568 1397792 1441473 1537184 1576487 1585221 1719804 1825406 1921964 1991352 2096688 2113628 2293072 2305776 2427744 2655136 2738109 2882946 3152974 3170442 3439608 3650812 3843928 3982704 4193376 4227256 4586144 4611552 4729461 5476218 5765892 6305948 6340884 6879216 7301624 7687856 7965408 8454512 9458922 10039733 10952436 11531784 12611896 12681768 13758432 14603248 15375712 16909024 17341357 18917844 20079466 21904872 23063568 25223792 25363536 29206496 30119199 34682714 37835688 40158932 43809744 46127136 50447584 50727072 52024071 60238398 69365428 75671376 80317864 87619488 104048142 120476796 138730856 151342752 160635728 190754927 208096284 240953592 277461712 321271456 381509854 416192568 481907184 554923424 572264781 763019708 832385136 963814368 1144529562 1526039416 1664770272 2289059124 3052078832 4578118248 6104157664 9156236496 18312472992
• Sum of all divisors σ(n): 55943504064
• Sum of proper divisors (its aliquot sum) s(n): 37631031072
• 18312472992 is an abundant number, because the sum of its proper divisors (37631031072) is greater than itself. Its abundance is 19318558080

Bases of 18312472992

• Binary: 10001000011100000100010100110100000₂
• Hexadecimal: 0x4438229A0
• Base-36: 8EURULC

Squares and roots of 18312472992

• 18312472992 squared (18312472992²) is 335346667082729432064
• 18312472992 cubed (18312472992³) is 6141026783909698154315498815488
• The square root of 18312472992 is 135323.5862368417
• The cube root of 18312472992 is 2635.8194946717

Scales and comparisons

• 18,312,472,992 seconds is equal to 582 years, 14 weeks, 3 days, 22 hours, 3 minutes, 12 seconds.
• To count from 1 to 18,312,472,992 would take you about one thousand, one hundred sixty-four 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 18312472992 cubic inches would be around 219.7 feet tall.

Recreational maths with 18312472992

• 18312472992 backwards is 29927421381
• 18312472992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18312472992's digits is 48
• More coming soon!