21467358640

Names of 21467358640

• Cardinal: 21467358640 can be written as Twenty-one billion, four hundred sixty-seven million, three hundred fifty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.146735864 × 10¹⁰

Factors of 21467358640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 292

Divisors of 21467358640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 35 40 49 52 56 62 65 70 80 91 98 104 107 112 124 127 130 140 155 182 196 208 214 217 245 248 254 260 280 310 364 392 403 428 434 455 490 496 508 520 535 560 620 635 637 728 749 784 806 856 868 889 910 980 1016 1040 1070 1085 1240 1270 1274 1391 1456 1498 1519 1612 1651 1712 1736 1778 1820 1960 2015 2032 2140 2170 2480 2540 2548 2782 2821 2996 3038 3185 3224 3302 3317 3472 3556 3640 3745 3920 3937 4030 4280 4340 4445 5080 5096 5243 5564 5642 5992 6076 6223 6370 6448 6604 6634 6955 7112 7280 7490 7595 7874 8060 8255 8560 8680 8890 9737 10160 10192 10486 11128 11284 11557 11984 12152 12446 12740 13208 13268 13589 13910 14105 14224 14980 15190 15748 16120 16510 16585 17360 17780 19474 19685 19747 20972 22256 22568 23114 23219 24304 24892 25480 26215 26416 26536 27178 27559 27820 28210 29960 30380 31115 31496 32240 33020 33170 35560 38948 39370 39494 41944 43121 45136 46228 46438 48685 49784 50960 51181 52430 53072 54356 55118 55640 56420 57785 59920 60760 62230 62992 66040 66340 67945 68159 71120 77896 78740 78988 80899 83888 86242 92456 92876 95123 97370 98735 99568 102362 104860 108712 110236 111280 112840 115570 116095 121520 124460 132080 132680 135890 136318 137795 155792 157480 157976 161798 162533 172484 176657 184912 185752 190246 192913 194740 197470 204724 209720 215605 217424 220472 225680 231140 232190 248920 255905 265360 271780 272636 275590 301847 314960 315952 323596 325066 340795 344968 353314 358267 371504 380492 385826 389480 394940 404495 409448 419440 421259 431210 440944 462280 464380 475615 497840 511810 543560 545272 551180 603694 647192 650132 665861 681590 689936 706628 716534 760984 771652 778960 789880 808990 812665 818896 842518 862420 883285 924560 928760 951230 964565 1023620 1087120 1090544 1102360 1207388 1236599 1294384 1300264 1331722 1363180 1413256 1433068 1509235 1521968 1543304 1579760 1617980 1625330 1685036 1724840 1766570 1791335 1857520 1902460 1929130 2047240 2106295 2112929 2204720 2414776 2473198 2507869 2600528 2663444 2726360 2826512 2866136 2948813 3018470 3086608 3235960 3250660 3329305 3370072 3449680 3533140 3582670 3804920 3858260 4094480 4212590 4225858 4829552 4946396 5015738 5326888 5452720 5476367 5732272 5897626 6036940 6182995 6471920 6501320 6658610 6740144 7066280 7165340 7609840 7716520 8425180 8451716 8656193 9892792 10031476 10564645 10653776 10952734 11795252 12073880 12365990 12539345 13002640 13317220 14132560 14330680 14744065 15433040 16850360 16903432 17312386 19785584 20062952 20641691 21129290 21905468 23590504 24147760 24731980 25078690 26634440 27381835 28661360 29488130 33700720 33806864 34624772 38334569 40125904 41283382 42258580 43280965 43810936 47181008 49463960 50157380 53268880 54763670 58976260 69249544 76669138 82566764 84517160 86561930 87621872 98927920 100314760 103208455 109527340 117952520 138499088 153338276 165133528 169034320 173123860 191672845 200629520 206416910 219054680 235905040 268341983 306676552 330267056 346247720 383345690 412833820 438109360 536683966 613353104 692495440 766691380 825667640 1073367932 1341709915 1533382760 1651335280 2146735864 2683419830 3066765520 4293471728 5366839660 10733679320 21467358640
• Sum of all divisors σ(n): 65659797504
• Sum of proper divisors (its aliquot sum) s(n): 44192438864
• 21467358640 is an abundant number, because the sum of its proper divisors (44192438864) is greater than itself. Its abundance is 22725080224

Bases of 21467358640

• Binary: 10011111111100011011110010110110000₂
• Hexadecimal: 0x4FF8DE5B0
• Base-36: 9V13ZXS

Squares and roots of 21467358640

• 21467358640 squared (21467358640²) is 460847486978382649600
• 21467358640 cubed (21467358640³) is 9893178281307670266116652544000
• The square root of 21467358640 is 146517.4345939761
• The cube root of 21467358640 is 2779.2409742247

Scales and comparisons

• 21,467,358,640 seconds is equal to 682 years, 30 weeks, 6 days, 19 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,467,358,640 would take you about one thousand, three hundred sixty-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 21467358640 cubic inches would be around 231.6 feet tall.

Recreational maths with 21467358640

• 21467358640 backwards is 04685376412
• The number of decimal digits it has is: 11
• The sum of 21467358640's digits is 46
• More coming soon!