642369742812

Names of 642369742812

• Cardinal: 642369742812 can be written as Six hundred forty-two billion, three hundred sixty-nine million, seven hundred forty-two thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 6.42369742812 × 10¹¹

Factors of 642369742812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 893

Divisors of 642369742812

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 243 252 294 324 343 378 441 486 567 588 686 729 756 881 882 972 1029 1134 1323 1372 1458 1701 1762 1764 2058 2187 2268 2643 2646 2916 3087 3402 3524 3969 4116 4374 5103 5286 5292 6167 6174 6561 6804 7929 7938 8748 9261 10206 10572 11907 12334 12348 13122 15309 15858 15876 18501 18522 19683 20412 23787 23814 24668 26244 27783 30618 31716 35721 37002 37044 39366 43169 45927 47574 47628 55503 55566 59049 61236 71361 71442 74004 78732 83349 86338 91854 95148 107163 111006 111132 118098 129507 137781 142722 142884 166509 166698 172676 177147 183708 214083 214326 222012 236196 250047 259014 275562 285444 302183 321489 333018 333396 354294 388521 413343 428166 428652 499527 500094 518028 531441 551124 604366 642249 642978 666036 708588 750141 777042 826686 856332 906549 964467 999054 1000188 1062882 1165563 1208732 1240029 1284498 1285956 1498581 1500282 1554084 1653372 1813098 1926747 1928934 1998108 2125764 2250423 2331126 2480058 2568996 2719647 2893401 2997162 3000564 3496689 3626196 3720087 3853494 3857868 4495743 4500846 4662252 4960116 5439294 5780241 5786802 5994324 6751269 6993378 7440174 7706988 8158941 8680203 8991486 9001692 10490067 10878588 11560482 11573604 13487229 13502538 13986756 14880348 16317882 17340723 17360406 17982972 20253807 20980134 23120964 24476823 26040609 26974458 27005076 31470201 32635764 34681446 34720812 40461687 40507614 41960268 48953646 52022169 52081218 53948916 60761421 62940402 69362892 73430469 80923374 81015228 94410603 97907292 104044338 104162436 121385061 121522842 125880804 146860938 156066507 161846748 182284263 188821206 208088676 220291407 242770122 243045684 283231809 293721876 312133014 364155183 364568526 377642412 440582814 468199521 485540244 566463618 624266028 660874221 728310366 729137052 849695427 881165628 936399042 1092465549 1132927236 1321748442 1456620732 1699390854 1872798084 1982622663 2184931098 2549086281 2643496884 3277396647 3398781708 3965245326 4369862196 5098172562 5947867989 6554793294 7647258843 7930490652 10196345124 11895735978 13109586588 15294517686 17843603967 22941776529 23791471956 30589035372 35687207934 45883553058 53530811901 71374415868 91767106116 107061623802 160592435703 214123247604 321184871406 642369742812
• Sum of all divisors σ(n): 1968668805600
• Sum of proper divisors (its aliquot sum) s(n): 1326299062788
• 642369742812 is an abundant number, because the sum of its proper divisors (1326299062788) is greater than itself. Its abundance is 683929319976

Bases of 642369742812

• Binary: 1001010110010000001110000110011111011100₂
• Hexadecimal: 0x95903867DC
• Base-36: 873MCXR0

Squares and roots of 642369742812

• 642369742812 squared (642369742812²) is 412638886480355025667344
• 642369742812 cubed (642369742812³) is 265066735382615721728383423947131328
• The square root of 642369742812 is 801479.7207740195
• The cube root of 642369742812 is 8628.3620261433

Scales and comparisons

• 642,369,742,812 seconds is equal to 20,425 years, 19 weeks, 1 day, 23 hours, 40 minutes, 12 seconds.
• To count from 1 to 642,369,742,812 would take you about forty thousand, eight hundred fifty 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 642369742812 cubic inches would be around 719 feet tall.

Recreational maths with 642369742812

• 642369742812 backwards is 218247963246
• 642369742812 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642369742812's digits is 54
• More coming soon!