21315992670

Names of 21315992670

• Cardinal: 21315992670 can be written as Twenty-one billion, three hundred fifteen million, nine hundred ninety-two thousand, six hundred seventy.

Scientific notation

• Scientific notation: 2.131599267 × 10¹⁰

Factors of 21315992670

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 563

Divisors of 21315992670

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 23 27 29 30 35 37 42 45 46 54 58 63 69 70 74 87 90 105 111 115 126 135 138 145 161 174 185 189 203 207 210 222 230 259 261 270 290 315 322 333 345 370 378 406 414 435 457 483 518 522 555 609 621 630 666 667 690 777 783 805 851 870 914 945 966 999 1015 1035 1073 1110 1218 1242 1295 1305 1334 1371 1449 1554 1566 1610 1665 1702 1827 1890 1998 2001 2030 2070 2146 2285 2331 2415 2553 2590 2610 2742 2898 3045 3105 3199 3219 3330 3335 3654 3885 3915 4002 4113 4255 4347 4570 4662 4669 4830 4995 5106 5365 5481 5957 6003 6090 6210 6398 6438 6670 6855 6993 7245 7511 7659 7770 7830 8226 8510 8694 9135 9338 9597 9657 9990 10005 10511 10730 10962 11655 11914 12006 12339 12765 13253 13710 13986 14007 14490 15022 15318 15995 16095 16909 17871 18009 18270 19194 19314 20010 20565 21022 21735 22533 22977 23310 23345 24678 24679 25530 26506 27405 28014 28791 28971 29785 30015 31533 31990 32190 33818 34965 35742 36018 37555 38295 39759 41130 42021 43470 45066 45954 46690 47985 48285 49358 50727 52555 53613 54810 57582 57942 59570 60030 61695 63066 66265 67599 69930 70035 73577 74037 75110 76590 79518 84042 84545 86373 89355 90045 92771 94599 95970 96570 101454 105110 107226 112665 114885 118363 119277 123390 123395 126063 132530 135198 140070 143955 144855 147154 148074 152181 157665 160839 169090 172746 172753 178710 180090 185542 189198 198795 202797 210105 220731 222111 225330 229770 236726 238554 246790 252126 253635 268065 278313 283797 287910 289710 304362 304819 315330 321678 337995 345506 355089 357831 367885 370185 388907 397590 405594 420210 431865 441462 444222 456543 463855 472995 490361 507270 518259 536130 556626 567594 591815 596385 609638 630315 662193 666333 675990 710178 715662 735770 740370 760905 777814 804195 834939 863730 863765 913086 914457 927710 945990 980722 1013985 1036518 1065267 1103655 1110555 1166721 1183630 1192770 1260630 1324386 1332666 1391565 1418985 1471083 1521810 1524095 1554777 1608390 1669878 1727530 1775445 1789155 1828914 1944535 1986579 2027970 2130534 2133733 2207310 2221110 2282715 2333442 2451805 2504817 2591295 2722349 2743371 2783130 2837970 2942166 3048190 3109554 3195801 3310965 3331665 3432527 3500163 3550890 3578310 3889070 3973158 4174695 4267466 4413249 4565430 4572285 4664331 4903610 5009634 5182590 5326335 5444698 5486742 5833605 6391602 6401199 6621930 6663330 6865054 7000326 7355415 7773885 8167047 8230113 8349390 8826498 9144570 9328662 9932895 10297581 10500489 10652670 10668665 11278303 11667210 12524085 12802398 13239747 13611745 13716855 14710830 15547770 15979005 16334094 16460226 17162635 17500815 19203597 19865790 20595162 21000978 21337330 22066245 22556606 23321655 24501141 25048170 26479494 27223490 27433710 30892743 31958010 32005995 33834909 34325270 35001630 38407194 40835235 41150565 44132490 46643310 49002282 51487905 52502445 56391515 57610791 61785486 64011990 66198735 67669818 73503423 78948121 81670470 82301130 92678229 96017985 101504727 102975810 105004890 112783030 115221582 122505705 132397470 147006846 154463715 157896242 169174545 185356458 192035970 203009454 236844363 245011410 288053955 304514181 308927430 338349090 367517115 394740605 463391145 473688726 507523635 576107910 609028362 710533089 735034230 789481210 926782290 1015047270 1184221815 1421066178 1522570905 2131599267 2368443630 3045141810 3552665445 4263198534 7105330890 10657996335 21315992670
• Sum of all divisors σ(n): 72177868800
• Sum of proper divisors (its aliquot sum) s(n): 50861876130
• 21315992670 is an abundant number, because the sum of its proper divisors (50861876130) is greater than itself. Its abundance is 29545883460

Bases of 21315992670

• Binary: 10011110110100010000011110001011110₂
• Hexadecimal: 0x4F6883C5E
• Base-36: 9SIZP7I

Squares and roots of 21315992670

• 21315992670 squared (21315992670²) is 454371543507493728900
• 21315992670 cubed (21315992670³) is 9685380490862322415303367163000
• The square root of 21315992670 is 145999.9748972583
• The cube root of 21315992670 is 2772.6934346777

Scales and comparisons

• 21,315,992,670 seconds is equal to 677 years, 40 weeks, 4 days, 21 hours, 4 minutes, 30 seconds.
• To count from 1 to 21,315,992,670 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 21315992670 cubic inches would be around 231.1 feet tall.

Recreational maths with 21315992670

• 21315992670 backwards is 07629951312
• 21315992670 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21315992670's digits is 45
• More coming soon!