21348547792

Names of 21348547792

• Cardinal: 21348547792 can be written as Twenty-one billion, three hundred forty-eight million, five hundred forty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1348547792 × 10¹⁰

Factors of 21348547792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 194

Divisors of 21348547792

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 31 44 52 62 88 104 124 137 143 169 176 208 248 274 286 338 341 403 496 548 572 676 682 806 1096 1144 1352 1364 1507 1612 1781 1859 2192 2197 2288 2704 2728 3014 3224 3562 3718 4247 4394 4433 5239 5456 6028 6448 7124 7436 8494 8788 8866 10478 12056 14248 14872 16988 17576 17732 19591 20956 23153 24112 24167 28496 28561 29744 33976 35152 35464 39182 41912 46306 46717 48334 55211 57122 57629 67952 68107 70928 78364 83824 92612 93434 96668 110422 114244 115258 136214 156728 185224 186868 193336 220844 228488 230516 254683 272428 300989 313456 314171 370448 373736 386672 441688 456976 461032 509366 544856 601978 607321 628342 717743 747472 749177 883376 885391 922064 1018732 1089712 1203956 1214642 1256684 1435486 1498354 1770782 2037464 2407912 2429284 2513368 2870972 2996708 3310879 3541564 3912857 4074928 4815824 4858568 5026736 5741944 5993416 6621758 7083128 7825714 7895173 9330659 9717136 9739301 11483888 11986832 13243516 14166256 15651428 15790346 18661318 19478602 26487032 31302856 31580692 37322636 38957204 43041427 52974064 62605712 63161384 74645272 77914408 86082854 102637249 121298567 126322768 149290544 155828816 172165708 205274498 242597134 344331416 410548996 485194268 688662832 821097992 970388536 1334284237 1642195984 1940777072 2668568474 5337136948 10674273896 21348547792
• Sum of all divisors σ(n): 50828389632
• Sum of proper divisors (its aliquot sum) s(n): 29479841840
• 21348547792 is an abundant number, because the sum of its proper divisors (29479841840) is greater than itself. Its abundance is 8131294048

Bases of 21348547792

• Binary: 10011111000011110001111110011010000₂
• Hexadecimal: 0x4F878FCD0
• Base-36: 9T2DGWG

Squares and roots of 21348547792

• 21348547792 squared (21348547792²) is 455760492827308075264
• 21348547792 cubed (21348547792³) is 9729824662829259647481037017088
• The square root of 21348547792 is 146111.4225240449
• The cube root of 21348547792 is 2774.1042605053

Scales and comparisons

• 21,348,547,792 seconds is equal to 678 years, 42 weeks, 3 days, 16 hours, 9 minutes, 52 seconds.
• To count from 1 to 21,348,547,792 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 21348547792 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348547792

• 21348547792 backwards is 29774584312
• 21348547792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21348547792's digits is 52
• More coming soon!