21461864448

Names of 21461864448

• Cardinal: 21461864448 can be written as Twenty-one billion, four hundred sixty-one million, eight hundred sixty-four thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1461864448 × 10¹⁰

Factors of 21461864448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 686

Divisors of 21461864448

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 103 124 128 186 192 206 248 256 309 372 384 412 496 512 547 618 744 768 824 992 1024 1094 1236 1488 1536 1641 1648 1984 2048 2188 2472 2976 3072 3193 3282 3296 3968 4096 4376 4944 5952 6144 6386 6564 6592 7936 8752 9579 9888 11904 12288 12772 13128 13184 15872 16957 17504 19158 19776 23808 25544 26256 26368 31744 33914 35008 38316 39552 47616 50871 51088 52512 52736 56341 63488 67828 70016 76632 79104 95232 101742 102176 105024 105472 112682 126976 135656 140032 153264 158208 169023 190464 203484 204352 210048 210944 225364 271312 280064 306528 316416 338046 380928 406968 408704 420096 421888 450728 542624 560128 613056 632832 676092 813936 817408 840192 901456 1085248 1120256 1226112 1265664 1352184 1627872 1634816 1680384 1746571 1802912 2170496 2240512 2452224 2704368 3255744 3269632 3360768 3493142 3605824 4340992 4904448 5239713 5408736 6511488 6539264 6721536 6986284 7211648 8681984 9808896 10479426 10817472 13022976 13078528 13972568 14423296 17363968 19617792 20958852 21634944 26045952 27945136 28846592 34727936 39235584 41917704 43269888 52091904 55890272 57693184 69455872 83835408 86539776 104183808 111780544 115386368 167670816 173079552 208367616 223561088 230772736 335341632 346159104 447122176 670683264 692318208 894244352 1341366528 1788488704 2682733056 3576977408 5365466112 7153954816 10730932224 21461864448
• Sum of all divisors σ(n): 59753148416
• Sum of proper divisors (its aliquot sum) s(n): 38291283968
• 21461864448 is an abundant number, because the sum of its proper divisors (38291283968) is greater than itself. Its abundance is 16829419520

Bases of 21461864448

• Binary: 10011111111001110100001000000000000₂
• Hexadecimal: 0x4FF3A1000
• Base-36: 9UXU8LC

Squares and roots of 21461864448

• 21461864448 squared (21461864448²) is 460611625584326344704
• 21461864448 cubed (21461864448³) is 9885584271463740803432570683392
• The square root of 21461864448 is 146498.6841169571
• The cube root of 21461864448 is 2779.0038547505

Scales and comparisons

• 21,461,864,448 seconds is equal to 682 years, 21 weeks, 6 days, 5 hours, 48 seconds.
• To count from 1 to 21,461,864,448 would take you about one thousand, three hundred sixty-four 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 21461864448 cubic inches would be around 231.6 feet tall.

Recreational maths with 21461864448

• 21461864448 backwards is 84446816412
• 21461864448 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21461864448's digits is 48
• More coming soon!