18199420794432

Names of 18199420794432

• Cardinal: 18199420794432 can be written as Eighteen trillion, one hundred ninety-nine billion, four hundred twenty million, seven hundred ninety-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8199420794432 × 10¹³

Factors of 18199420794432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 21186

Divisors of 18199420794432

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 449 576 864 898 1201 1347 1728 1796 2402 2694 3592 3603 4041 4804 5388 7184 7206 8082 9608 10776 10809 12123 14368 14412 16164 19216 19531 21552 21618 24246 28736 28824 32328 32427 38432 39062 43104 43236 48492 57648 58593 64656 64854 76864 78124 86208 86472 96984 115296 117186 129312 129708 156248 172944 175779 193968 230592 234372 258624 259416 312496 345888 351558 387936 468744 518832 527337 539249 624992 691776 703116 775872 937488 1037664 1054674 1078498 1249984 1406232 1617747 1874976 2075328 2109348 2156996 2812464 3235494 3749952 4218696 4313992 4853241 5624928 6470988 8437392 8627984 8769419 9706482 11249856 12941976 14559723 16874784 17255968 17538838 19412964 23456731 25883952 26308257 29119446 33749568 34511936 35077676 38825928 46913462 51767904 52616514 58238892 70155352 70370193 77651856 78924771 93826924 103535808 105233028 116477784 140310704 140740386 155303712 157849542 187653848 210466056 211110579 232955568 236774313 280621408 281480772 310607424 315699084 375307696 420932112 422221158 465911136 473548626 561242816 562961544 631398168 633331737 750615392 841864224 844442316 931822272 947097252 1125923088 1262796336 1266663474 1501230784 1683728448 1688884632 1894194504 2251846176 2525592672 2533326948 3377769264 3788389008 4503692352 5051185344 5066653896 6755538528 7576778016 10133307792 10532072219 13511077056 15153556032 20266615584 21064144438 31596216657 40533231168 42128288876 63192433314 84256577752 94788649971 126384866628 168513155504 189577299942 252769733256 284365949913 337026311008 379154599884 505539466512 568731899826 674052622016 758309199768 1011078933024 1137463799652 1516618399536 2022157866048 2274927599304 3033236799072 4549855198608 6066473598144 9099710397216 18199420794432
• Sum of all divisors σ(n): 53669482704000
• Sum of proper divisors (its aliquot sum) s(n): 35470061909568
• 18199420794432 is an abundant number, because the sum of its proper divisors (35470061909568) is greater than itself. Its abundance is 17270641115136

Bases of 18199420794432

• Binary: 100001000110101100010000000101111011001000000₂
• Hexadecimal: 0x108D6202F640
• Base-36: 6G8P58UO0

Squares and roots of 18199420794432

• 18199420794432 squared (18199420794432²) is 331218917252803890002202624
• 18199420794432 cubed (18199420794432³) is 6027992450159931042763386421507914989568
• The square root of 18199420794432 is 4266077.9170605873
• The cube root of 18199420794432 is 26303.8421015549

Scales and comparisons

• 18,199,420,794,432 seconds is equal to 578,685 years, 14 weeks, 6 days, 9 hours, 7 minutes, 12 seconds.
• To count from 1 to 18,199,420,794,432 would take you about one million, four hundred forty-six thousand, seven hundred thirteen 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 18199420794432 cubic inches would be around 2192 feet tall.

Recreational maths with 18199420794432

• 18199420794432 backwards is 23449702499181
• The number of decimal digits it has is: 14
• The sum of 18199420794432's digits is 63
• More coming soon!