421391540128

Names of 421391540128

• Cardinal: 421391540128 can be written as Four hundred twenty-one billion, three hundred ninety-one million, five hundred forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21391540128 × 10¹¹

Factors of 421391540128

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1032

Divisors of 421391540128

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 13 16 19 26 31 32 37 38 52 53 62 74 76 104 106 124 148 152 208 212 247 248 296 304 403 416 424 481 494 496 589 592 608 689 703 806 848 877 962 988 992 1007 1147 1178 1184 1378 1406 1612 1643 1696 1754 1924 1961 1976 2014 2294 2356 2756 2812 3224 3286 3508 3848 3922 3952 4028 4588 4712 5512 5624 6448 6572 7016 7657 7696 7844 7904 8056 9139 9176 9424 11024 11248 11401 12896 13091 13144 14032 14911 15314 15392 15688 16112 16663 18278 18352 18848 21359 21793 22048 22496 22802 25493 26182 26288 27187 28064 29822 30628 31217 31376 32224 32449 33326 36556 36704 37259 42718 43586 45604 46481 50986 52364 52576 54374 59644 60791 61256 62434 62752 64898 66652 73112 74518 85436 87172 91208 92962 101972 104728 108748 119288 121582 122512 124868 129796 133304 146224 149036 170872 174344 182416 185924 203944 209456 216619 217496 238576 243164 245024 249736 259592 266608 283309 292448 298072 341744 348688 353431 364832 371848 405821 407888 418912 421837 433238 434992 477152 484367 486328 499472 516553 519184 533216 566618 596144 604253 616531 683488 697376 706862 743696 790283 811642 815776 843674 866476 869984 883139 968734 972656 998944 1005919 1033106 1038368 1133236 1155029 1192288 1208506 1233062 1413724 1440911 1487392 1580566 1623284 1687348 1719797 1732952 1766278 1937468 1945312 2011838 2066212 2266472 2310058 2417012 2466124 2827448 2881822 3161132 3246568 3374696 3439594 3465904 3532556 3874936 4023676 4132424 4532944 4620116 4834024 4932248 5654896 5763644 6322264 6493136 6715189 6749392 6879188 6931808 7065112 7749872 8014903 8047352 8264848 9065888 9240232 9668048 9864496 11309792 11480807 11527288 12644528 12986272 13076947 13430378 13498784 13758376 14130224 15015377 15499744 16029806 16094704 16529696 18480464 18731843 19112461 19336096 19728992 22357361 22961614 23054576 25289056 26153894 26860756 27377309 27516752 28260448 30030754 32059612 32189408 32676143 36960928 37463686 38224922 44714722 45923228 46109152 52307788 53313707 53721512 54754618 55033504 60061508 64119224 65352286 74927372 76449844 89429444 91846456 104615576 106627414 107443024 109509236 120123016 128238448 130704572 149854744 152899688 178858888 183692912 209231152 213254828 214886048 219018472 240246032 248461993 256476896 261409144 299709488 305799376 355905017 357717776 367385824 418462304 424789859 426509656 438036944 480492064 496923986 522818288 599418976 611598752 693078191 711810034 715435552 849579718 853019312 876073888 993847972 1012960433 1045636576 1386156382 1423620068 1699159436 1706038624 1987695944 2025920866 2772312764 2847240136 3398318872 3975391888 4051841732 5544625528 5694480272 6796637744 7950783776 8103683464 11089251056 11388960544 13168485629 13593275488 16207366928 22178502112 26336971258 32414733856 52673942516 105347885032 210695770064 421391540128
• Sum of all divisors σ(n): 1016998778880
• Sum of proper divisors (its aliquot sum) s(n): 595607238752
• 421391540128 is an abundant number, because the sum of its proper divisors (595607238752) is greater than itself. Its abundance is 174215698624

Bases of 421391540128

• Binary: 110001000011100111001001001111110100000₂
• Hexadecimal: 0x621CE49FA0
• Base-36: 5DL1N5B4

Squares and roots of 421391540128

• 421391540128 squared (421391540128²) is 177570830091447834256384
• 421391540128 cubed (421391540128³) is 74826845574042609958667731376177152
• The square root of 421391540128 is 649146.7785701475
• The cube root of 421391540128 is 7497.1339575233

Scales and comparisons

• 421,391,540,128 seconds is equal to 13,398 years, 49 weeks, 1 day, 21 hours, 35 minutes, 28 seconds.
• To count from 1 to 421,391,540,128 would take you about twenty-six thousand, seven hundred ninety-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 421391540128 cubic inches would be around 624.8 feet tall.

Recreational maths with 421391540128

• 421391540128 backwards is 821045193124
• The number of decimal digits it has is: 12
• The sum of 421391540128's digits is 40
• More coming soon!