21317686272

Names of 21317686272

• Cardinal: 21317686272 can be written as Twenty-one billion, three hundred seventeen million, six hundred eighty-six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1317686272 × 10¹⁰

Factors of 21317686272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 191

Divisors of 21317686272

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 114 128 144 152 162 167 171 192 216 228 243 256 288 304 324 334 342 384 432 456 486 501 512 513 576 608 648 668 684 729 768 864 912 972 1002 1024 1026 1152 1216 1296 1336 1368 1458 1503 1536 1539 1728 1824 1944 2004 2052 2187 2304 2432 2592 2672 2736 2916 3006 3072 3078 3173 3456 3648 3888 4008 4104 4374 4509 4608 4617 4864 5184 5344 5472 5832 6012 6156 6346 6561 6912 7296 7776 8016 8208 8748 9018 9216 9234 9519 9728 10368 10688 10944 11664 12024 12312 12692 13122 13527 13824 13851 14592 15552 16032 16416 17496 18036 18468 19038 19456 20736 21376 21888 23328 24048 24624 25384 26244 27054 27648 27702 28557 29184 31104 32064 32832 34992 36072 36936 38076 40581 41472 41553 42752 43776 46656 48096 49248 50768 52488 54108 55404 57114 58368 62208 64128 65664 69984 72144 73872 76152 81162 82944 83106 85504 85671 87552 93312 96192 98496 101536 104976 108216 110808 114228 121743 124416 124659 128256 131328 139968 144288 147744 152304 162324 166212 171008 171342 175104 186624 192384 196992 203072 209952 216432 221616 228456 243486 248832 249318 256512 257013 262656 279936 288576 295488 304608 324648 332424 342684 365229 373248 384768 393984 406144 419904 432864 443232 456912 486972 498636 513024 514026 525312 559872 577152 590976 609216 649296 664848 685368 730458 746496 769536 771039 787968 812288 839808 865728 886464 913824 973944 997272 1028052 1095687 1119744 1154304 1181952 1218432 1298592 1329696 1370736 1460916 1539072 1542078 1575936 1624576 1679616 1731456 1772928 1827648 1947888 1994544 2056104 2191374 2239488 2308608 2313117 2363904 2436864 2597184 2659392 2741472 2921832 3084156 3249152 3359232 3462912 3545856 3655296 3895776 3989088 4112208 4382748 4617216 4626234 4727808 4873728 5194368 5318784 5482944 5843664 6168312 6718464 6925824 6939351 7091712 7310592 7791552 7978176 8224416 8765496 9252468 9747456 10388736 10637568 10965888 11687328 12336624 13851648 13878702 14183424 14621184 15583104 15956352 16448832 17530992 18504936 20777472 20818053 21275136 21931776 23374656 24673248 27757404 29242368 31166208 31912704 32897664 35061984 37009872 41554944 41636106 42550272 43863552 46749312 49346496 55514808 62332416 63825408 65795328 70123968 74019744 83272212 87727104 93498624 98692992 111029616 124664832 127650816 131590656 140247936 148039488 166544424 186997248 197385984 222059232 263181312 280495872 296078976 333088848 373994496 394771968 444118464 560991744 592157952 666177696 789543936 888236928 1121983488 1184315904 1332355392 1776473856 2368631808 2664710784 3552947712 5329421568 7105895424 10658843136 21317686272
• Sum of all divisors σ(n): 67685610720
• Sum of proper divisors (its aliquot sum) s(n): 46367924448
• 21317686272 is an abundant number, because the sum of its proper divisors (46367924448) is greater than itself. Its abundance is 25050238176

Bases of 21317686272

• Binary: 10011110110101000100001010000000000₂
• Hexadecimal: 0x4F6A21400
• Base-36: 9SK0000

Squares and roots of 21317686272

• 21317686272 squared (21317686272²) is 454443747991417257984
• 21317686272 cubed (21317686272³) is 9687689247952863254349399195648
• The square root of 21317686272 is 146005.7747899033
• The cube root of 21317686272 is 2772.7668649085

Scales and comparisons

• 21,317,686,272 seconds is equal to 677 years, 43 weeks, 3 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,317,686,272 would take you about one thousand, three hundred fifty-five 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 21317686272 cubic inches would be around 231.1 feet tall.

Recreational maths with 21317686272

• 21317686272 backwards is 27268671312
• The number of decimal digits it has is: 11
• The sum of 21317686272's digits is 45
• More coming soon!