18612698911408

Names of 18612698911408

• Cardinal: 18612698911408 can be written as Eighteen trillion, six hundred twelve billion, six hundred ninety-eight million, nine hundred eleven thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8612698911408 × 10¹³

Factors of 18612698911408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 23549

Divisors of 18612698911408

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 43 49 56 86 98 112 172 196 301 344 392 602 688 784 1204 2107 2408 4214 4816 8428 16856 23497 33712 46994 93988 164479 187976 328958 375952 657916 1010371 1151353 1315832 2020742 2302706 2631664 4041484 4605412 7072597 8082968 9210824 14145194 16165936 18421648 28290388 49508179 56580776 99016358 113161552 198032716 396065432 552109009 792130864 1104218018 2208436036 3864763063 4416872072 7729526126 8833744144 15459052252 23740687387 27053341441 30918104504 47481374774 54106682882 61836209008 94962749548 108213365764 166184811709 189925499096 216426731528 332369623418 379850998192 432853463056 664739246836 1163293681963 1329478493672 2326587363926 2658956987344 4653174727852 9306349455704 18612698911408
• Sum of all divisors σ(n): 42927198154236
• Sum of proper divisors (its aliquot sum) s(n): 24314499242828
• 18612698911408 is an abundant number, because the sum of its proper divisors (24314499242828) is greater than itself. Its abundance is 5701800331420

Bases of 18612698911408

• Binary: 100001110110110011011010011101001001010110000₂
• Hexadecimal: 0x10ED9B4E92B0
• Base-36: 6LIK0D6LS

Squares and roots of 18612698911408

• 18612698911408 squared (18612698911408²) is 346432560766728548232542464
• 18612698911408 cubed (18612698911408³) is 6448044946659174259513279342132934029312
• The square root of 18612698911408 is 4314243.7241546751
• The cube root of 18612698911408 is 26501.4589971167

Scales and comparisons

• 18,612,698,911,408 seconds is equal to 591,826 years, 13 weeks, 22 hours, 3 minutes, 28 seconds.
• To count from 1 to 18,612,698,911,408 would take you about one million, four hundred seventy-nine thousand, five hundred sixty-five 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 18612698911408 cubic inches would be around 2208.5 feet tall.

Recreational maths with 18612698911408

• 18612698911408 backwards is 80411989621681
• The number of decimal digits it has is: 14
• The sum of 18612698911408's digits is 64
• More coming soon!