18125413888

Names of 18125413888

• Cardinal: 18125413888 can be written as Eighteen billion, one hundred twenty-five million, four hundred thirteen thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8125413888 × 10¹⁰

Factors of 18125413888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1464

Divisors of 18125413888

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 19 29 32 38 47 58 64 76 94 116 128 152 188 232 256 304 376 464 512 551 608 752 893 928 1102 1216 1363 1367 1504 1786 1856 2204 2432 2726 2734 3008 3572 3712 4408 4864 5452 5468 6016 7144 7424 8816 9728 10904 10936 12032 14288 14848 17632 21808 21872 24064 25897 25973 28576 35264 39643 43616 43744 51794 51946 57152 64249 70528 79286 87232 87488 103588 103892 114304 128498 141056 158572 174464 174976 207176 207784 228608 256996 282112 317144 348928 349952 414352 415568 457216 513992 634288 697856 699904 753217 828704 831136 1027984 1220731 1268576 1506434 1657408 1662272 1863221 2055968 2441462 2537152 3012868 3314816 3324544 3726442 4111936 4882924 5074304 6025736 6629632 6649088 7452884 8223872 9765848 10148608 12051472 13259264 13298176 14905768 16447744 19531696 20297216 24102944 29811536 32895488 35401199 39063392 48205888 59623072 70802398 78126784 96411776 119246144 141604796 156253568 192823552 238492288 283209592 312507136 385647104 476984576 566419184 625014272 953969152 1132838368 2265676736 4531353472 9062706944 18125413888
• Sum of all divisors σ(n): 40304563200
• Sum of proper divisors (its aliquot sum) s(n): 22179149312
• 18125413888 is an abundant number, because the sum of its proper divisors (22179149312) is greater than itself. Its abundance is 4053735424

Bases of 18125413888

• Binary: 10000111000010110111101111000000000₂
• Hexadecimal: 0x4385BDE00
• Base-36: 8BREIV4

Squares and roots of 18125413888

• 18125413888 squared (18125413888²) is 328530628611303276544
• 18125413888 cubed (18125413888³) is 5954753618464686562450522243072
• The square root of 18125413888 is 134630.6573110301
• The cube root of 18125413888 is 2626.8139305493

Scales and comparisons

• 18,125,413,888 seconds is equal to 576 years, 17 weeks, 1 day, 21 hours, 11 minutes, 28 seconds.
• To count from 1 to 18,125,413,888 would take you about one thousand, one hundred fifty-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 18125413888 cubic inches would be around 218.9 feet tall.

Recreational maths with 18125413888

• 18125413888 backwards is 88831452181
• The number of decimal digits it has is: 11
• The sum of 18125413888's digits is 49
• More coming soon!