12215831940

Names of 12215831940

• Cardinal: 12215831940 can be written as Twelve billion, two hundred fifteen million, eight hundred thirty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.221583194 × 10¹⁰

Factors of 12215831940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 378

Divisors of 12215831940

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 37 39 45 52 54 60 61 65 74 78 81 90 108 111 117 122 130 135 148 156 162 180 183 185 195 222 234 244 257 260 270 305 324 333 351 366 370 390 405 444 468 481 514 540 549 555 585 610 666 702 732 740 771 780 793 810 915 962 999 1028 1053 1098 1110 1170 1220 1285 1332 1404 1443 1542 1586 1620 1647 1665 1755 1830 1924 1998 2106 2196 2220 2257 2313 2340 2379 2405 2570 2745 2886 2997 3084 3172 3294 3330 3341 3510 3660 3855 3965 3996 4212 4329 4514 4626 4758 4810 4941 4995 5140 5265 5490 5772 5994 6588 6660 6682 6771 6939 7020 7137 7215 7710 7930 8235 8658 9028 9252 9509 9516 9620 9882 9990 10023 10530 10980 11285 11565 11895 11988 12987 13364 13542 13878 14274 14430 14985 15420 15677 15860 16470 16705 17316 19018 19764 19980 20046 20313 20817 21060 21411 21645 22570 23130 23790 24705 25974 27084 27756 28527 28548 28860 29341 29970 30069 31354 32940 33410 33855 34695 35685 38036 38961 40092 40626 41634 42822 43290 45140 46260 47031 47545 47580 49410 50115 51948 57054 58682 59940 60138 60939 62708 64233 64935 66820 67710 69390 71370 77922 78385 81252 83268 85581 85644 86580 88023 90207 94062 95090 98820 100230 101565 104085 107055 114108 117364 120276 121878 123617 128466 129870 135420 138780 141093 142635 142740 146705 150345 155844 156770 171162 176046 180414 182817 188124 190180 194805 200460 203130 203801 208170 214110 235155 243756 247234 256743 256932 259740 264069 270621 282186 285270 293410 300690 304695 313540 321165 342324 352092 360828 365634 370851 389610 406260 407602 416340 423279 427905 428220 440115 451035 470310 494468 513486 528138 541242 564372 570540 580049 586820 601380 609390 611403 618085 642330 705465 731268 741702 770229 779220 792207 815204 846558 855810 880230 902070 914085 940620 1019005 1026972 1056276 1082484 1112553 1160098 1218780 1222806 1236170 1269837 1283715 1284660 1320345 1353105 1410930 1483404 1540458 1584414 1693116 1711620 1740147 1760460 1804140 1828170 1834209 1854255 2038010 2116395 2225106 2320196 2376621 2445612 2472340 2539674 2567430 2640690 2706210 2821860 2900245 3057015 3080916 3168828 3337659 3480294 3656340 3668418 3708510 3851145 3961035 4076020 4232790 4450212 4753242 5079348 5134860 5220441 5281380 5412420 5502627 5562765 5800490 6114030 6349185 6675318 6960588 7336836 7417020 7540637 7702290 7922070 8465580 8700735 9171045 9506484 10012977 10440882 11005254 11125530 11600980 11883105 12228060 12698370 13350636 15081274 15404580 15661323 15844140 16507881 16688295 17401470 18342090 20025954 20881764 22010508 22251060 22621911 23766210 25396740 26102205 27513135 30162548 31322646 33015762 33376590 34802940 36684180 37703185 40051908 45243822 46983969 47532420 50064885 52204410 55026270 62645292 66031524 66753180 67865733 75406370 78306615 82539405 90487644 93967938 100129770 104408820 110052540 113109555 135731466 150812740 156613230 165078810 187935876 200259540 203597199 226219110 234919845 271462932 313226460 330157620 339328665 407194398 452438220 469839690 610791597 678657330 814388796 939679380 1017985995 1221583194 1357314660 2035971990 2443166388 3053957985 4071943980 6107915970 12215831940
• Sum of all divisors σ(n): 43247169504
• Sum of proper divisors (its aliquot sum) s(n): 31031337564
• 12215831940 is an abundant number, because the sum of its proper divisors (31031337564) is greater than itself. Its abundance is 18815505624

Bases of 12215831940

• Binary: 1011011000000111101100110110000100₂
• Hexadecimal: 0x2D81ECD84
• Base-36: 5M0ZO90

Squares and roots of 12215831940

• 12215831940 squared (12215831940²) is 149226549986324163600
• 12215831940 cubed (12215831940³) is 1822926455618945280898665384000
• The square root of 12215831940 is 110525.2547610727
• The cube root of 12215831940 is 2303.0728895211

Scales and comparisons

• 12,215,831,940 seconds is equal to 388 years, 22 weeks, 22 hours, 39 minutes.
• To count from 1 to 12,215,831,940 would take you about seven hundred seventy-six 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 12215831940 cubic inches would be around 191.9 feet tall.

Recreational maths with 12215831940

• 12215831940 backwards is 04913851221
• 12215831940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12215831940's digits is 36
• More coming soon!