21193167840

Names of 21193167840

• Cardinal: 21193167840 can be written as Twenty-one billion, one hundred ninety-three million, one hundred sixty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.119316784 × 10¹⁰

Factors of 21193167840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 390

Divisors of 21193167840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 23 24 26 30 32 37 39 40 46 48 52 60 65 69 74 78 80 92 96 104 111 115 120 130 138 148 156 160 169 184 185 195 208 222 230 240 260 276 296 299 307 312 338 345 368 370 390 416 444 460 480 481 507 520 552 555 592 598 614 624 676 690 736 740 780 845 851 888 897 920 921 962 1014 1040 1104 1110 1184 1196 1228 1248 1352 1380 1443 1480 1495 1535 1560 1690 1702 1776 1794 1840 1842 1924 2028 2080 2208 2220 2392 2405 2456 2535 2553 2704 2760 2886 2960 2990 3070 3120 3380 3404 3552 3588 3680 3684 3848 3887 3991 4056 4255 4440 4485 4605 4784 4810 4912 5070 5106 5408 5520 5772 5920 5980 6140 6240 6253 6760 6808 7061 7176 7215 7368 7696 7774 7982 8112 8510 8880 8970 9210 9568 9620 9824 10140 10212 11040 11063 11359 11544 11661 11960 11973 12280 12506 12765 13520 13616 14122 14352 14430 14736 15392 15548 15964 16224 17020 17760 17940 18420 18759 19240 19435 19955 20280 20424 21183 22126 22718 23088 23322 23920 23946 24560 25012 25530 27040 27232 28244 28704 28860 29472 31096 31265 31928 33189 34040 34077 35305 35880 36840 37518 38480 38870 39910 40560 40848 42366 44252 45436 46176 46644 47840 47892 49120 50024 51060 51883 55315 56488 56795 57720 58305 59865 62192 62530 63856 66378 68080 68154 70610 71760 73680 75036 76960 77740 79820 81120 81696 84732 88504 90872 91793 93288 93795 95784 100048 102120 103766 105915 110630 112976 113590 115440 116610 119730 124384 125060 127712 132756 136160 136308 141220 143520 143819 147360 147667 150072 155480 155649 159640 165945 169464 170385 177008 181744 183586 186576 187590 191568 200096 204240 207532 211830 221260 225952 227180 230880 233220 239460 250120 259415 261257 265512 272616 275379 282440 287638 295334 300144 310960 311298 319280 331890 338928 340770 354016 363488 367172 373152 375180 383136 408480 415064 423660 431457 442520 443001 454360 458965 466440 478920 500240 518830 522514 531024 545232 550758 564880 575276 590668 600288 621920 622596 638560 663780 677856 681540 719095 734344 738335 750360 778245 783771 830128 847320 862914 885040 886002 908720 917930 932880 957840 1000480 1037660 1045028 1062048 1090464 1101516 1129760 1150552 1181336 1193309 1245192 1306285 1327560 1363080 1376895 1438190 1468688 1476670 1500720 1556490 1567542 1660256 1694640 1725828 1770080 1772004 1817440 1835860 1865760 1915680 1919671 2075320 2090056 2157285 2203032 2215005 2301104 2362672 2386618 2490384 2612570 2655120 2726160 2753790 2876380 2937376 2953340 3001440 3112980 3135084 3389280 3396341 3451656 3544008 3579927 3671720 3839342 3918855 4150640 4180112 4314570 4406064 4430010 4602208 4725344 4773236 4980768 5225140 5310240 5452320 5507580 5752760 5759013 5906680 5966545 6225960 6270168 6792682 6903312 7088016 7159854 7343440 7678684 7837710 8301280 8360224 8629140 8812128 8860020 9546472 9598355 10189023 10450280 11015160 11505520 11518026 11813360 11933090 12451920 12540336 13585364 13806624 14176032 14319708 14686880 15357368 15675420 16981705 17258280 17720040 17899635 19092944 19196710 20378046 20900560 22030320 23011040 23036052 23626720 23866180 24903840 25080672 27170728 28639416 28795065 30714736 31350840 33963410 34516560 35440080 35799270 38185888 38393420 40756092 41801120 44060640 44152433 46072104 47732360 50945115 54341456 57278832 57590130 61429472 62701680 67926820 69033120 70880160 71598540 76786840 81512184 88304866 92144208 95464720 101890230 108682912 114557664 115180260 125403360 132457299 135853640 143197080 153573680 163024368 176609732 184288416 190929440 203780460 220762165 230360520 264914598 271707280 286394160 307147360 326048736 353219464 407560920 441524330 460721040 529829196 543414560 572788320 662286495 706438928 815121840 883048660 921442080 1059658392 1324572990 1412877856 1630243680 1766097320 2119316784 2649145980 3532194640 4238633568 5298291960 7064389280 10596583920 21193167840
• Sum of all divisors σ(n): 77722799616
• Sum of proper divisors (its aliquot sum) s(n): 56529631776
• 21193167840 is an abundant number, because the sum of its proper divisors (56529631776) is greater than itself. Its abundance is 35336463936

Bases of 21193167840

• Binary: 10011101111001101100001001111100000₂
• Hexadecimal: 0x4EF3613E0
• Base-36: 9QHV4YO

Squares and roots of 21193167840

• 21193167840 squared (21193167840²) is 449150363094410265600
• 21193167840 cubed (21193167840³) is 9518919030456778524679778304000
• The square root of 21193167840 is 145578.7341612777
• The cube root of 21193167840 is 2767.3576630517

Scales and comparisons

• 21,193,167,840 seconds is equal to 673 years, 45 weeks, 4 days, 7 hours, 4 minutes.
• To count from 1 to 21,193,167,840 would take you about one thousand, three hundred forty-seven 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 21193167840 cubic inches would be around 230.6 feet tall.

Recreational maths with 21193167840

• 21193167840 backwards is 04876139112
• The number of decimal digits it has is: 11
• The sum of 21193167840's digits is 42
• More coming soon!