18398915132864

Names of 18398915132864

• Cardinal: 18398915132864 can be written as Eighteen trillion, three hundred ninety-eight billion, nine hundred fifteen million, one hundred thirty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8398915132864 × 10¹³

Factors of 18398915132864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8449

Divisors of 18398915132864

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 881 1568 1762 3136 3524 6167 7048 7559 12334 14096 15118 24668 28192 30236 43169 49336 52913 56384 60472 86338 98672 105826 120944 172676 197344 211652 241888 345352 370391 394688 423304 483776 690704 740782 776161 846608 1381408 1481564 1552322 1693216 2762816 2963128 3104644 3386432 5433127 5926256 6209288 6659479 10866254 11852512 12418576 13318958 21732508 23705024 24837152 26637916 38031889 43465016 46616353 49674304 53275832 76063778 86930032 93232706 106551664 152127556 173860064 186465412 213103328 304255112 326314471 347720128 372930824 426206656 608510224 652628942 745861648 1217020448 1305257884 1491723296 2434040896 2610515768 2983446592 5221031536 5867000999 10442063072 11734001998 20884126144 23468003996 41069006993 46936007992 82138013986 93872015984 164276027972 187744031968 287483048951 328552055944 375488063936 574966097902 657104111888 1149932195804 1314208223776 2299864391608 2628416447552 4599728783216 9199457566432 18398915132864
• Sum of all divisors σ(n): 42525107934120
• Sum of proper divisors (its aliquot sum) s(n): 24126192801256
• 18398915132864 is an abundant number, because the sum of its proper divisors (24126192801256) is greater than itself. Its abundance is 5727277668392

Bases of 18398915132864

• Binary: 100001011101111010100110011001111110111000000₂
• Hexadecimal: 0x10BBD4CCFDC0
• Base-36: 6ISCF0VCW

Squares and roots of 18398915132864

• 18398915132864 squared (18398915132864²) is 338520078066331902772842496
• 18398915132864 cubed (18398915132864³) is 6228402187112936693110915322302785388544
• The square root of 18398915132864 is 4289395.6605638515
• The cube root of 18398915132864 is 26399.6035738147

Scales and comparisons

• 18,398,915,132,864 seconds is equal to 585,028 years, 30 weeks, 4 days, 15 hours, 7 minutes, 44 seconds.
• To count from 1 to 18,398,915,132,864 would take you about one million, four hundred sixty-two thousand, five hundred seventy-one 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 18398915132864 cubic inches would be around 2200 feet tall.

Recreational maths with 18398915132864

• 18398915132864 backwards is 46823151989381
• The number of decimal digits it has is: 14
• The sum of 18398915132864's digits is 68
• More coming soon!