64238271768

Names of 64238271768

• Cardinal: 64238271768 can be written as Sixty-four billion, two hundred thirty-eight million, two hundred seventy-one thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 6.4238271768 × 10¹⁰

Factors of 64238271768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 388116

Divisors of 64238271768

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 19 22 24 33 36 38 44 57 66 72 76 88 99 114 121 132 152 171 198 209 228 242 264 342 363 396 418 456 484 627 684 726 792 836 968 1089 1254 1368 1452 1672 1881 2178 2299 2508 2904 3762 4356 4598 5016 6897 7524 8712 9196 13794 15048 18392 20691 27588 41382 55176 82764 165528 388081 776162 1164243 1552324 2328486 3104648 3492729 4268891 4656972 6985458 7373539 8537782 9313944 12806673 13970916 14747078 17075564 22120617 25613346 27941832 29494156 34151128 38420019 44241234 46957801 51226692 58988312 66361851 76840038 81108929 88482468 93915602 102453384 132723702 140873403 153680076 162217858 176964936 187831204 243326787 265447404 281746806 307360152 324435716 375662408 422620209 486653574 530894808 563493612 648871432 729980361 845240418 892198219 973307148 1126987224 1459960722 1690480836 1784396438 1946614296 2676594657 2919921444 3380961672 3568792876 5353189314 5839842888 7137585752 8029783971 10706378628 16059567942 21412757256 32119135884 64238271768
• Sum of all divisors σ(n): 201298133400
• Sum of proper divisors (its aliquot sum) s(n): 137059861632
• 64238271768 is an abundant number, because the sum of its proper divisors (137059861632) is greater than itself. Its abundance is 72821589864

Bases of 64238271768

• Binary: 111011110100111001100011110100011000₂
• Hexadecimal: 0xEF4E63D18
• Base-36: TIDT3Q0

Squares and roots of 64238271768

• 64238271768 squared (64238271768²) is 4126555559739425845824
• 64238271768 cubed (64238271768³) is 265082797512292596748325379896832
• The square root of 64238271768 is 253452.7012442361
• The cube root of 64238271768 is 4004.9578475647

Scales and comparisons

• 64,238,271,768 seconds is equal to 2,042 years, 30 weeks, 12 hours, 22 minutes, 48 seconds.
• To count from 1 to 64,238,271,768 would take you about four thousand and eighty-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 64238271768 cubic inches would be around 333.7 feet tall.

Recreational maths with 64238271768

• 64238271768 backwards is 86717283246
• The number of decimal digits it has is: 11
• The sum of 64238271768's digits is 54
• More coming soon!