21348917712

Names of 21348917712

• Cardinal: 21348917712 can be written as Twenty-one billion, three hundred forty-eight million, nine hundred seventeen thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1348917712 × 10¹⁰

Factors of 21348917712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 70358

Divisors of 21348917712

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 37 38 48 54 57 72 74 76 108 111 114 144 148 152 171 216 222 228 296 304 333 342 432 444 456 513 592 666 684 703 888 912 999 1026 1332 1368 1406 1776 1998 2052 2109 2664 2736 2812 3996 4104 4218 5328 5624 6327 7992 8208 8436 11248 12654 15984 16872 18981 25308 33744 37962 50616 70297 75924 101232 140594 151848 210891 281188 303696 421782 562376 632673 843564 1124752 1265346 1335643 1687128 1898019 2530692 2600989 2671286 3374256 3796038 4006929 5061384 5201978 5342572 7592076 7802967 8013858 10122768 10403956 10685144 12020787 15184152 15605934 16027716 20807912 21370288 23408901 24041574 30368304 31211868 32055432 36062361 41615824 46817802 48083148 49418791 62423736 64110864 70226703 72124722 93635604 96166296 98837582 124847472 140453406 144249444 148256373 187271208 192332592 197675164 280906812 288498888 296512746 374542416 395350328 444769119 561813624 576997776 593025492 790700656 889538238 1123627248 1186050984 1334307357 1779076476 2372101968 2668614714 3558152952 5337229428 7116305904 10674458856 21348917712
• Sum of all divisors σ(n): 66248835200
• Sum of proper divisors (its aliquot sum) s(n): 44899917488
• 21348917712 is an abundant number, because the sum of its proper divisors (44899917488) is greater than itself. Its abundance is 23550999776

Bases of 21348917712

• Binary: 10011111000011111101010000111010000₂
• Hexadecimal: 0x4F87EA1D0
• Base-36: 9T2LEC0

Squares and roots of 21348917712

• 21348917712 squared (21348917712²) is 455776287473747314944
• 21348917712 cubed (21348917712³) is 9730330456357887787020403888128
• The square root of 21348917712 is 146112.6884017949
• The cube root of 21348917712 is 2774.1202833083

Scales and comparisons

• 21,348,917,712 seconds is equal to 678 years, 43 weeks, 22 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,348,917,712 would take you about one thousand, three hundred fifty-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 21348917712 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348917712

• 21348917712 backwards is 21771984312
• The number of decimal digits it has is: 11
• The sum of 21348917712's digits is 45
• More coming soon!