21073019616

Names of 21073019616

• Cardinal: 21073019616 can be written as Twenty-one billion, seventy-three million, nineteen thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1073019616 × 10¹⁰

Factors of 21073019616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12602

Divisors of 21073019616

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 59 66 72 81 88 96 99 108 118 132 144 162 176 177 198 216 236 264 288 297 324 352 354 396 432 472 528 531 594 648 649 708 792 864 891 944 1056 1062 1188 1296 1298 1416 1584 1593 1782 1888 1947 2124 2376 2592 2596 2832 3168 3186 3564 3894 4248 4752 4779 5192 5664 5841 6372 7128 7788 8496 9504 9558 10384 11682 12527 12744 14256 15576 16992 17523 19116 20768 23364 25054 25488 28512 31152 35046 37581 38232 46728 50108 50976 52569 62304 70092 75162 76464 93456 100216 105138 112743 137797 140184 150324 152928 186912 200432 210276 225486 275594 280368 300648 338229 400864 413391 420552 450972 551188 560736 601296 676458 739093 826782 841104 901944 1014687 1102376 1202592 1240173 1352916 1478186 1653564 1682208 1803888 2029374 2204752 2217279 2480346 2705832 2956372 3307128 3607776 3720519 4058748 4409504 4434558 4960692 5411664 5912744 6614256 6651837 7441038 8117496 8130023 8869116 9921384 10823328 11161557 11825488 13228512 13303674 14882076 16234992 16260046 17738232 19842768 19955511 22323114 23650976 24390069 26607348 29764152 32469984 32520092 35476464 39685536 39911022 44646228 48780138 53214696 59528304 59866533 65040184 70952928 73170207 79822044 89292456 97560276 106429392 119056608 119733066 130080368 146340414 159644088 178584912 195120552 212858784 219510621 239466132 260160736 292680828 319288176 357169824 390241104 439021242 478932264 585361656 638576352 658531863 780482208 878042484 957864528 1170723312 1317063726 1756084968 1915729056 2341446624 2634127452 3512169936 5268254904 7024339872 10536509808 21073019616
• Sum of all divisors σ(n): 68760679680
• Sum of proper divisors (its aliquot sum) s(n): 47687660064
• 21073019616 is an abundant number, because the sum of its proper divisors (47687660064) is greater than itself. Its abundance is 26614640448

Bases of 21073019616

• Binary: 10011101000000011001100001011100000₂
• Hexadecimal: 0x4E80CC2E0
• Base-36: 9OIBY00

Squares and roots of 21073019616

• 21073019616 squared (21073019616²) is 444072155736320787456
• 21073019616 cubed (21073019616³) is 9357941248750894877728854736896
• The square root of 21073019616 is 145165.4904445267
• The cube root of 21073019616 is 2762.1181849295

Scales and comparisons

• 21,073,019,616 seconds is equal to 670 years, 2 weeks, 6 days, 16 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,073,019,616 would take you about one thousand, three hundred forty 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 21073019616 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073019616

• 21073019616 backwards is 61691037012
• 21073019616 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21073019616's digits is 36
• More coming soon!