12291479772

Names of 12291479772

• Cardinal: 12291479772 can be written as Twelve billion, two hundred ninety-one million, four hundred seventy-nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 1.2291479772 × 10¹⁰

Factors of 12291479772

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 551

Divisors of 12291479772

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 11 12 13 19 22 23 26 33 37 38 39 44 46 52 57 66 69 74 76 78 92 111 114 132 138 143 148 156 209 222 228 247 253 276 286 299 407 418 429 437 443 444 481 494 506 572 598 627 703 741 759 814 836 851 858 874 886 897 962 988 1012 1196 1221 1254 1311 1329 1406 1443 1482 1518 1628 1702 1716 1748 1772 1794 1924 2109 2442 2508 2553 2622 2658 2717 2812 2886 2964 3036 3289 3404 3588 4218 4807 4873 4884 5106 5244 5291 5316 5434 5681 5759 5772 6578 7733 8151 8417 8436 9139 9361 9614 9746 9867 10189 10212 10582 10868 11063 11362 11518 13156 14421 14619 15466 15873 16169 16302 16391 16834 17043 17277 18278 18722 19228 19492 19734 20378 21164 22126 22724 23036 23199 25251 27417 28083 28842 29238 30567 30932 31746 32338 32604 32782 33189 33668 34086 34554 36556 37444 39468 40756 44252 46398 48507 49173 50502 54834 56166 57684 58476 61134 62491 63349 63492 64676 65564 66378 68172 69108 92587 92796 97014 98346 100529 101004 109421 109668 112079 112332 121693 122268 124982 126698 132457 132756 177859 180301 185174 187473 190047 193591 194028 196692 201058 210197 213083 218842 224158 243386 249964 253396 264914 277761 301587 311429 328263 336237 355718 360602 365079 370348 374946 376993 380094 387182 397371 402116 420394 426166 437684 448316 486772 529828 533577 540903 555522 580773 603174 622858 630591 639249 656526 672474 711436 721204 730158 749892 753986 760188 774364 794742 840788 852332 934287 1067154 1081806 1111044 1130979 1161546 1203631 1206348 1245716 1261182 1278498 1313052 1344948 1457027 1460316 1507972 1589484 1868574 2129501 2134308 2163612 2261958 2312167 2323092 2343913 2407262 2516683 2522364 2556996 2914054 3425719 3610893 3737148 4048577 4146923 4259002 4371081 4523916 4624334 4687826 4814524 4900909 5033366 5828108 6388503 6851438 6936501 7031739 7162867 7221786 7550049 8097154 8293846 8518004 8742162 9248668 9375652 9801818 10066732 10277157 12145731 12440769 12777006 13702876 13873002 14063478 14325734 14443572 14702727 15100098 16194308 16587692 17484324 19603636 20554314 21488601 24291462 24881538 25554012 27683513 27746004 28126956 28651468 29405454 30200196 41108628 42977202 44534347 48582924 49763076 53909999 55367026 58810908 78791537 83050539 85954404 89068694 93117271 107819998 110734052 133603041 157583074 161729997 166101078 178137388 186234542 215639996 236374611 267206082 279351813 315166148 323459994 332202156 372469084 472749222 534412164 558703626 646919988 945498444 1024289981 1117407252 2048579962 3072869943 4097159924 6145739886 12291479772
• Sum of all divisors σ(n): 38095626240
• Sum of proper divisors (its aliquot sum) s(n): 25804146468
• 12291479772 is an abundant number, because the sum of its proper divisors (25804146468) is greater than itself. Its abundance is 13512666696

Bases of 12291479772

• Binary: 1011011100101000010001100011011100₂
• Hexadecimal: 0x2DCA118DC
• Base-36: 5NA12HO

Squares and roots of 12291479772

• 12291479772 squared (12291479772²) is 151080474985485171984
• 12291479772 cubed (12291479772³) is 1857002602228242985047277107648
• The square root of 12291479772 is 110866.9462554101
• The cube root of 12291479772 is 2307.8171174401

Scales and comparisons

• 12,291,479,772 seconds is equal to 390 years, 43 weeks, 1 day, 11 hours, 56 minutes, 12 seconds.
• To count from 1 to 12,291,479,772 would take you about seven hundred eighty-one 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 12291479772 cubic inches would be around 192.3 feet tall.

Recreational maths with 12291479772

• 12291479772 backwards is 27797419221
• The number of decimal digits it has is: 11
• The sum of 12291479772's digits is 51
• More coming soon!