21017278433424

Names of 21017278433424

• Cardinal: 21017278433424 can be written as Twenty-one trillion, seventeen billion, two hundred seventy-eight million, four hundred thirty-three thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1017278433424 × 10¹³

Factors of 21017278433424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13787331

Divisors of 21017278433424

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 349 364 546 624 698 728 1047 1092 1396 1456 2094 2184 2443 2792 4188 4368 4537 4886 5584 7329 8376 9074 9772 13611 14658 16752 18148 19544 27222 29316 31759 36296 39088 54444 58632 63518 72592 95277 108888 117264 127036 190554 217776 254072 381108 508144 762216 1524432 13786957 27573914 41360871 55147828 82721742 96508699 110295656 165443484 179230441 193017398 220591312 289526097 330886968 358460882 386034796 537691323 579052194 661773936 716921764 772069592 1075382646 1158104388 1254613087 1433843528 1544139184 2150765292 2316208776 2509226174 2867687056 3763839261 4301530584 4632417552 4811647993 5018452348 7527678522 8603061168 9623295986 10036904696 14434943979 15055357044 19246591972 20073809392 28869887958 30110714088 33681535951 38493183944 57739775916 60221428176 62551423909 67363071902 76986367888 101044607853 115479551832 125102847818 134726143804 187654271727 202089215706 230959103664 250205695636 269452287608 375308543454 404178431412 437859967363 500411391272 538904575216 750617086908 808356862824 875719934726 1000822782544 1313579902089 1501234173816 1616713725648 1751439869452 2627159804178 3002468347632 3502879738904 5254319608356 7005759477808 10508639216712 21017278433424
• Sum of all divisors σ(n): 67015645446400
• Sum of proper divisors (its aliquot sum) s(n): 45998367012976
• 21017278433424 is an abundant number, because the sum of its proper divisors (45998367012976) is greater than itself. Its abundance is 24981088579552

Bases of 21017278433424

• Binary: 100110001110101110111011010100100100010010000₂
• Hexadecimal: 0x131D776A4890
• Base-36: 7G77CXG9C

Squares and roots of 21017278433424

• 21017278433424 squared (21017278433424²) is 441725992748069587600363776
• 21017278433424 cubed (21017278433424³) is 9283878180866809166781511317421797249024
• The square root of 21017278433424 is 4584460.5389755511
• The cube root of 21017278433424 is 27596.8063383655

Scales and comparisons

• 21,017,278,433,424 seconds is equal to 668,284 years, 23 weeks, 10 hours, 10 minutes, 24 seconds.
• To count from 1 to 21,017,278,433,424 would take you about one million, six hundred seventy thousand, seven hundred eleven 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 21017278433424 cubic inches would be around 2299.7 feet tall.

Recreational maths with 21017278433424

• 21017278433424 backwards is 42433487271012
• 21017278433424 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21017278433424's digits is 48
• More coming soon!