16491887994015

Names of 16491887994015

• Cardinal: 16491887994015 can be written as Sixteen trillion, four hundred ninety-one billion, eight hundred eighty-seven million, nine hundred ninety-four thousand and fifteen.

Scientific notation

• Scientific notation: 1.6491887994015 × 10¹³

Factors of 16491887994015

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1034

Divisors of 16491887994015

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 245 315 343 441 735 945 1019 1029 1323 1715 2205 2401 3057 3087 5095 5145 6615 7133 7203 9171 9261 12005 15285 15435 16807 21399 21609 27513 35665 36015 45855 46305 49931 50421 64197 64827 84035 106995 108045 117649 137565 149793 151263 192591 249655 252105 320985 324135 349517 352947 449379 453789 588245 748965 756315 962955 1038361 1048551 1058841 1348137 1747585 1764735 2246895 2268945 2446619 3115083 3145653 3176523 5191805 5242755 5294205 6740685 7268527 7339857 9345249 9436959 12233095 15575415 15728265 15882615 17126333 21805581 22019571 28035747 36342635 36699285 46726245 47184795 50879689 51378999 65416743 66058713 85631665 109027905 110097855 119884331 140178735 152639067 154136997 196250229 254398445 256894995 327083715 330293565 356157823 359652993 457917201 462410991 599421655 763195335 770684985 981251145 1068473469 1078958979 1373751603 1780789115 1798264965 2289586005 2312054955 2493104761 3205420407 3236876937 5342367345 5394794895 6868758015 7479314283 9616261221 12465523805 16027102035 16184384685 17451733327 22437942849 37396571415 48081306105 52355199981 67313828547 87258666635 112189714245 122162133289 157065599943 261775999905 336569142735 366486399867 471196799829 610810666445 785327999715 1099459199601 1832431999335 2355983999145 3298377598803 5497295998005 16491887994015
• Sum of all divisors σ(n): 34238956300080
• Sum of proper divisors (its aliquot sum) s(n): 17747068306065
• 16491887994015 is an abundant number, because the sum of its proper divisors (17747068306065) is greater than itself. Its abundance is 1255180312050

Bases of 16491887994015

• Binary: 11101111111111010001001000000010010010011111₂
• Hexadecimal: 0xEFFD120249F
• Base-36: 5UG9OAXLR

Squares and roots of 16491887994015

• 16491887994015 squared (16491887994015²) is 271982369607136100675820225
• 16491887994015 cubed (16491887994015³) is 4485502775907678091003641896290015953375
• The square root of 16491887994015 is 4061020.5606491331
• The cube root of 16491887994015 is 25454.0440996005

Scales and comparisons

• 16,491,887,994,015 seconds is equal to 524,391 years, 1 week, 2 days, 6 hours, 20 minutes, 15 seconds.
• To count from 1 to 16,491,887,994,015 would take you about one million, three hundred ten thousand, nine hundred seventy-seven 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 16491887994015 cubic inches would be around 2121.2 feet tall.

Recreational maths with 16491887994015

• 16491887994015 backwards is 51049978819461
• The number of decimal digits it has is: 14
• The sum of 16491887994015's digits is 72
• More coming soon!