21085159069048320

Names of 21085159069048320

• Cardinal: 21085159069048320 can be written as Twenty-one quadrillion, eighty-five trillion, one hundred fifty-nine billion, sixty-nine million, forty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.108515906904832 × 10¹⁶

Factors of 21085159069048320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 33894610139

Divisors of 21085159069048320

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 768 810 864 960 972 1080 1152 1215 1280 1296 1440 1536 1620 1728 1920 1944 2160 2304 2430 2560 2592 2880 3240 3456 3840 3888 4320 4608 4860 5184 5760 6480 6912 7680 7776 8640 9720 10368 11520 12960 13824 15552 17280 19440 20736 23040 25920 31104 34560 38880 41472 51840 62208 69120 77760 103680 124416 155520 207360 311040 622080 33894610129 67789220258 101683830387 135578440516 169473050645 203367660774 271156881032 305051491161 338946101290 406735321548 508419151935 542313762064 610102982322 677892202580 813470643096 915154473483 1016838303870 1084627524128 1220205964644 1355784405160 1525257455805 1626941286192 1830308946966 2033676607740 2169255048256 2440411929288 2711568810320 2745463420449 3050514911610 3253882572384 3660617893932 4067353215480 4338510096512 4575772367415 4880823858576 5423137620640 5490926840898 6101029823220 6507765144768 7321235787864 8134706430960 8236390261347 8677020193024 9151544734830 9761647717152 10846275241280 10981853681796 12202059646440 13015530289536 13727317102245 14642471575728 16269412861920 16472780522694 17354040386048 18303089469660 19523295434304 21692550482560 21963707363592 24404119292880 26031060579072 27454634204490 29284943151456 32538825723840 32945561045388 36606178939320 39046590868608 41181951306735 43385100965120 43927414727184 48808238585760 52062121158144 54909268408980 58569886302912 65077651447680 65891122090776 73212357878640 78093181737216 82363902613470 86770201930240 87854829454368 97616477171520 109818536817960 117139772605824 130155302895360 131782244181552 146424715757280 156186363474432 164727805226940 175709658908736 195232954343040 219637073635920 234279545211648 260310605790720 263564488363104 292849431514560 329455610453880 351419317817472 390465908686080 439274147271840 468559090423296 527128976726208 585698863029120 658911220907760 702838635634944 780931817372160 878548294543680 1054257953452416 1171397726058240 1317822441815520 1405677271269888 1757096589087360 2108515906904832 2342795452116480 2635644883631040 3514193178174720 4217031813809664 5271289767262080 7028386356349440 10542579534524160 21085159069048320
• Sum of all divisors σ(n): 75728422579970160
• Sum of proper divisors (its aliquot sum) s(n): 54643263510921840
• 21085159069048320 is an abundant number, because the sum of its proper divisors (54643263510921840) is greater than itself. Its abundance is 33558104441873520

Bases of 21085159069048320

• Binary: 1001010111010001101011100101000010101111101111000000000₂
• Hexadecimal: 0x4AE8D72857DE00
• Base-36: 5RM2CCR1C00

Squares and roots of 21085159069048320

• 21085159069048320 squared (21085159069048320²) is 444583932967070616533430494822400
• 21085159069048320 cubed (21085159069048320³) is 9374122946153799384204252191776580265855418368000
• The square root of 21085159069048320 is 145207296.8863766157
• The cube root of 21085159069048320 is 276264.8470702199

Scales and comparisons

• 21,085,159,069,048,320 seconds is equal to 670,442,837 years, 37 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 21,085,159,069,048,320 would take you about two billion, eleven million, three hundred twenty-eight thousand, five hundred thirteen 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 21085159069048320 cubic inches would be around 23022.1 feet tall.

Recreational maths with 21085159069048320

• 21085159069048320 backwards is 02384096095158012
• The number of decimal digits it has is: 17
• The sum of 21085159069048320's digits is 63
• More coming soon!