421372679728

Names of 421372679728

• Cardinal: 421372679728 can be written as Four hundred twenty-one billion, three hundred seventy-two million, six hundred seventy-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21372679728 × 10¹¹

Factors of 421372679728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14038

Divisors of 421372679728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 31 44 52 56 61 62 77 88 91 104 112 122 124 143 154 176 182 208 217 244 248 286 308 341 364 403 427 434 488 496 572 616 671 682 728 793 806 854 868 976 1001 1144 1232 1342 1364 1456 1586 1612 1708 1736 1891 2002 2288 2387 2684 2728 2821 3172 3224 3416 3472 3782 4004 4433 4697 4774 5368 5456 5551 5642 6344 6448 6832 7564 8008 8723 8866 9394 9548 10736 11102 11284 12688 13237 13913 15128 16016 17446 17732 18788 19096 20801 22204 22568 24583 26474 27826 30256 31031 34892 35464 37576 38192 41602 44408 45136 49166 52948 55652 61061 62062 69784 70928 75152 83204 88816 97391 98332 105896 111304 122122 124124 139568 145607 153043 166408 172081 180869 194782 196664 211792 222608 244244 248248 270413 291214 306086 332816 344162 361738 389564 393328 431303 488488 496496 540826 582428 612172 688324 723476 779128 848693 862606 976976 1071301 1081652 1164856 1224344 1266083 1376648 1446952 1558256 1697386 1725212 1892891 1989559 2142602 2163304 2329712 2448688 2532166 2753296 2893904 3019121 3394772 3450424 3785782 3979118 4285204 4326608 4744333 5064332 5606939 5940851 6038242 6789544 6900848 7571564 7958236 8570408 9335623 9488666 10128664 11033009 11213878 11881702 12076484 13579088 13926913 15143128 15916472 17140816 18671246 18977332 20257328 22066018 22427756 23763404 24152968 26309483 27853826 30286256 31832944 33210331 37342492 37954664 39248573 44132036 44855512 47526808 48305936 52618966 55707652 61676329 65349361 66420662 74684984 75909328 77231063 78497146 88264072 89711024 95053616 105237932 111415304 121363099 123352658 130698722 132841324 149369968 154462126 156994292 176528144 184166381 210475864 222830608 242726198 246705316 261397444 265682648 289404313 308924252 313988584 342023279 368332762 420951728 431734303 485452396 493410632 522794888 531365296 578808626 617848504 627977168 684046558 736665524 849541693 863468606 970904792 986821264 1045589776 1157617252 1235697008 1368093116 1473331048 1699083386 1726937212 1941809584 2025830191 2315234504 2394162953 2736186232 2946662096 3398166772 3453874424 3762256069 4051660382 4630469008 4788325906 5472372464 6796333544 6907748848 7524512138 8103320764 9576651812 13592667088 15049024276 16206641528 19153303624 26335792483 30098048552 32413283056 38306607248 52671584966 60196097104 105343169932 210686339864 421372679728
• Sum of all divisors σ(n): 1150150385664
• Sum of proper divisors (its aliquot sum) s(n): 728777705936
• 421372679728 is an abundant number, because the sum of its proper divisors (728777705936) is greater than itself. Its abundance is 307405026208

Bases of 421372679728

• Binary: 110001000011011110001001101011000110000₂
• Hexadecimal: 0x621BC4D630
• Base-36: 5DKQEWJ4

Squares and roots of 421372679728

• 421372679728 squared (421372679728²) is 177554935221155662153984
• 421372679728 cubed (421372679728³) is 74816798853069811678844470651236352
• The square root of 421372679728 is 649132.2513386621
• The cube root of 421372679728 is 7497.0221050525

Scales and comparisons

• 421,372,679,728 seconds is equal to 13,398 years, 18 weeks, 14 hours, 35 minutes, 28 seconds.
• To count from 1 to 421,372,679,728 would take you about twenty-six thousand, seven hundred ninety-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 421372679728 cubic inches would be around 624.8 feet tall.

Recreational maths with 421372679728

• 421372679728 backwards is 827976273124
• The number of decimal digits it has is: 12
• The sum of 421372679728's digits is 58
• More coming soon!