21349655040

Names of 21349655040

• Cardinal: 21349655040 can be written as Twenty-one billion, three hundred forty-nine million, six hundred fifty-five thousand and forty.

Scientific notation

• Scientific notation: 2.134965504 × 10¹⁰

Factors of 21349655040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 256

Divisors of 21349655040

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 53 56 59 60 64 70 80 84 96 105 106 112 118 120 127 128 140 159 160 168 177 192 210 212 224 236 240 254 256 265 280 295 318 320 336 354 371 381 384 413 420 424 448 472 480 508 512 530 560 590 635 636 640 672 708 742 762 768 795 826 840 848 885 889 896 944 960 1016 1060 1113 1120 1180 1239 1270 1272 1280 1344 1416 1484 1524 1536 1590 1652 1680 1696 1770 1778 1792 1855 1888 1905 1920 2032 2065 2120 2226 2240 2360 2478 2540 2544 2560 2667 2688 2832 2968 3048 3127 3180 3304 3360 3392 3540 3556 3584 3710 3776 3810 3840 4064 4130 4240 4445 4452 4480 4720 4956 5080 5088 5334 5376 5565 5664 5936 6096 6195 6254 6360 6608 6720 6731 6784 7080 7112 7420 7493 7552 7620 7680 8128 8260 8480 8890 8904 8960 9381 9440 9912 10160 10176 10668 10752 11130 11328 11872 12192 12390 12508 12720 13216 13335 13440 13462 13568 14160 14224 14840 14986 15104 15240 15635 16256 16520 16960 17780 17808 17920 18762 18880 19824 20193 20320 20352 21336 21889 22260 22479 22656 23744 24384 24780 25016 25440 26432 26670 26880 26924 27136 28320 28448 29680 29972 30208 30480 31270 32512 33040 33655 33920 35560 35616 37465 37524 37760 39648 40386 40640 40704 42672 43778 44520 44958 45312 46905 47117 47488 48768 49560 50032 50880 52451 52864 53340 53760 53848 56640 56896 59360 59944 60960 62540 65024 65667 66080 67310 67840 71120 71232 74930 75048 75520 79296 80772 81280 81408 85344 87556 89040 89916 90624 93810 94234 94976 97536 99120 100064 100965 101760 104902 105728 106680 107696 109445 112395 113280 113792 118720 119888 121920 125080 131334 132160 134620 135680 141351 142240 142464 149860 150096 151040 157353 158592 161544 162560 170688 175112 178080 179832 187620 188468 189952 195072 198240 200128 201930 203520 209804 211456 213360 215392 218890 224790 226560 227584 235585 237440 239776 243840 250160 262255 262668 264320 269240 282702 284480 284928 299720 300192 314706 317184 323088 325120 328335 341376 350224 356160 359664 375240 376936 396480 397129 400256 403860 407040 419608 426720 430784 437780 449580 453120 455168 471170 474880 479552 487680 500320 524510 525336 528640 538480 565404 568960 569856 599440 600384 629412 634368 646176 656670 682752 700448 706755 712320 719328 750480 753872 786765 792960 794258 800512 807720 839216 853440 861568 875560 899160 942340 949760 959104 975360 1000640 1049020 1050672 1057280 1076960 1130808 1137920 1191387 1198880 1200768 1258824 1292352 1313340 1365504 1400896 1413510 1424640 1438656 1500960 1507744 1573530 1585920 1588516 1601024 1615440 1678432 1706880 1723136 1751120 1798320 1884680 1918208 1985645 2001280 2098040 2101344 2153920 2261616 2275840 2382774 2397760 2401536 2517648 2584704 2626680 2779903 2801792 2827020 2849280 2877312 3001920 3015488 3147060 3171840 3177032 3230880 3356864 3413760 3446272 3502240 3596640 3769360 3836416 3971290 4002560 4196080 4202688 4307840 4523232 4765548 4795520 4803072 5035296 5169408 5253360 5559806 5603584 5654040 5754624 5956935 6003840 6030976 6294120 6354064 6461760 6713728 6827520 7004480 7193280 7538720 7942580 8005120 8339709 8392160 8405376 8615680 9046464 9531096 9591040 10070592 10338816 10506720 11119612 11207168 11308080 11509248 11913870 12007680 12061952 12588240 12708128 12923520 13427456 13899515 14008960 14386560 15077440 15885160 16679418 16784320 16810752 17231360 18092928 19062192 19182080 20141184 21013440 22239224 22616160 23827740 24015360 24123904 25176480 25416256 25847040 26854912 27799030 28017920 28773120 30154880 31770320 33358836 33568640 33621504 36185856 38124384 40282368 41698545 42026880 44478448 45232320 47655480 50352960 50832512 51694080 55598060 56035840 57546240 60309760 63540640 66717672 67137280 72371712 76248768 80564736 83397090 84053760 88956896 90464640 95310960 100705920 101665024 111196120 120619520 127081280 133435344 134274560 152497536 166794180 168107520 177913792 180929280 190621920 201411840 203330048 222392240 254162560 266870688 304995072 333588360 355827584 361858560 381243840 402823680 444784480 508325120 533741376 609990144 667176720 711655168 762487680 889568960 1016650240 1067482752 1334353440 1423310336 1524975360 1779137920 2134965504 2668706880 3049950720 3558275840 4269931008 5337413760 7116551680 10674827520 21349655040
• Sum of all divisors σ(n): 81457643520
• Sum of proper divisors (its aliquot sum) s(n): 60107988480
• 21349655040 is an abundant number, because the sum of its proper divisors (60107988480) is greater than itself. Its abundance is 38758333440

Bases of 21349655040

• Binary: 10011111000100010011110001000000000₂
• Hexadecimal: 0x4F889E200
• Base-36: 9T3179C

Squares and roots of 21349655040

• 21349655040 squared (21349655040²) is 455807770326997401600
• 21349655040 cubed (21349655040³) is 9731338661032942523136344064000
• The square root of 21349655040 is 146115.2115284373
• The cube root of 21349655040 is 2774.1522195565

Scales and comparisons

• 21,349,655,040 seconds is equal to 678 years, 44 weeks, 2 days, 11 hours, 44 minutes.
• To count from 1 to 21,349,655,040 would take you about one thousand, three hundred fifty-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 21349655040 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349655040

• 21349655040 backwards is 04055694312
• The number of decimal digits it has is: 11
• The sum of 21349655040's digits is 39
• More coming soon!