21506206848

Names of 21506206848

• Cardinal: 21506206848 can be written as Twenty-one billion, five hundred six million, two hundred six thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1506206848 × 10¹⁰

Factors of 21506206848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 4335

Divisors of 21506206848

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 61 62 64 84 93 96 112 122 124 128 168 183 186 192 217 224 244 248 336 366 372 384 427 434 448 488 496 651 672 732 744 854 868 896 976 992 1281 1302 1344 1464 1488 1708 1736 1891 1952 1984 2562 2604 2688 2928 2976 3416 3472 3782 3904 3968 4231 5124 5208 5673 5856 5952 6832 6944 7564 7808 8462 10248 10416 11346 11712 11904 12693 13237 13664 13888 15128 16924 20496 20832 22692 23424 25386 26474 27328 27776 29617 30256 33848 39711 40992 41664 45384 50772 52948 54656 59234 60512 67696 79422 81984 83328 88851 90768 101544 105896 118468 121024 131161 135392 158844 163968 177702 181536 203088 211792 236936 242048 258091 262322 270784 317688 355404 363072 393483 406176 423584 473872 516182 524644 541568 635376 710808 726144 774273 786966 812352 847168 918127 947744 1032364 1049288 1270752 1421616 1548546 1573932 1624704 1694336 1806637 1836254 1895488 2064728 2098576 2541504 2754381 2843232 3097092 3147864 3613274 3672508 3790976 4129456 4197152 5083008 5419911 5508762 5686464 6194184 6295728 7226548 7345016 8000821 8258912 8394304 10839822 11017524 11372928 12388368 12591456 14453096 14690032 16001642 16517824 16788608 21679644 22035048 24002463 24776736 25182912 28906192 29380064 32003284 33035648 43359288 44070096 48004926 49553472 50365824 56005747 57812384 58760128 64006568 86718576 88140192 96009852 99106944 112011494 115624768 117520256 128013136 168017241 173437152 176280384 192019704 224022988 231249536 256026272 336034482 346874304 352560768 384039408 448045976 512052544 672068964 693748608 768078816 896091952 1024105088 1344137928 1536157632 1792183904 2688275856 3072315264 3584367808 5376551712 7168735616 10753103424 21506206848
• Sum of all divisors σ(n): 68513710080
• Sum of proper divisors (its aliquot sum) s(n): 47007503232
• 21506206848 is an abundant number, because the sum of its proper divisors (47007503232) is greater than itself. Its abundance is 25501296384

Bases of 21506206848

• Binary: 10100000001110111101010110010000000₂
• Hexadecimal: 0x501DEAC80
• Base-36: 9VO8NEO

Squares and roots of 21506206848

• 21506206848 squared (21506206848²) is 462516932988962095104
• 21506206848 cubed (21506206848³) is 9946984831563173718138072072192
• The square root of 21506206848 is 146649.9466348351
• The cube root of 21506206848 is 2780.9164399177

Scales and comparisons

• 21,506,206,848 seconds is equal to 683 years, 43 weeks, 1 day, 10 hours, 20 minutes, 48 seconds.
• To count from 1 to 21,506,206,848 would take you about one thousand, three hundred sixty-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 21506206848 cubic inches would be around 231.7 feet tall.

Recreational maths with 21506206848

• 21506206848 backwards is 84860260512
• 21506206848 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21506206848's digits is 42
• More coming soon!