8421418499672620358

Names of 8421418499672620358

• Cardinal: 8421418499672620358 can be written as Eight quintillion, four hundred twenty-one quadrillion, four hundred eighteen trillion, four hundred ninety-nine billion, six hundred seventy-two million, six hundred twenty thousand, three hundred fifty-eight.

Scientific notation

• Scientific notation: 8.421418499672620358 × 10¹⁸

Factors of 8421418499672620358

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3470710

Divisors of 8421418499672620358

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 14 61 122 427 854 857 1187 1714 2374 2797 5594 5999 8309 11998 16618 19579 39158 52277 72407 104554 144814 170617 341234 365939 506849 731878 1013698 1017259 1194319 2034518 2388638 2397029 3320039 3465799 4794058 6640078 6931598 7120813 14241626 16779203 23240273 24260593 33558406 46480546 48521186 62052799 124105598 146218769 202522379 211413739 292437538 405044758 422827478 434369593 868739186 1023531383 1417656653 1479896173 2047062766 2835313306 2845273423 2959792346 2970189743 4113903413 5690546846 5940379486 8227806826 9693839803 19387679606 19916913961 20791328201 28797323891 39833827922 41582656402 57594647782 67856878621 135713757242 173561678803 181181574323 250948108193 347123357606 362363148646 501896216386 591324227983 1182648455966 1214931751621 1268271020261 1756636757351 2429863503242 2536542040522 3513273514702 3525615224941 4139269595881 7051230449882 8278539191762 8307620711171 11506587846161 16615241422342 23013175692322 24679306574587 49358613149174 58153344978197 80546114923127 116306689956394 161092229846254 215062528721401 430125057442802 506764863381431 701901858615821 1013529726762862 1403803717231642 1505437701049807 3010875402099614 3547354043670017 4913313010310747 7094708087340034 9826626020621494 9861145784159977 19722291568319954 69028020489119839 138056040978239678 601529892833758597 1203059785667517194 4210709249836310179 8421418499672620358
• Sum of all divisors σ(n): 14708143799134156800
• Sum of proper divisors (its aliquot sum) s(n): 6286725299461536442
• 8421418499672620358 is a deficient number, because the sum of its proper divisors (6286725299461536442) is less than itself. Its deficiency is 2134693200211083916

Bases of 8421418499672620358

• Binary: 111010011011110111000111000000111000001111000111011110101000110₂
• Hexadecimal: 0x74DEE381C1E3BD46
• Base-36: 1RZCNPM3EVG3Q

Squares and roots of 8421418499672620358

• 8421418499672620358 squared (8421418499672620358²) is 70920289546628248052782823429996048164
• 8421418499672620358 cubed (8421418499672620358³) is 597249438390113881771982747560994937096939315690654922712
• The square root of 8421418499672620358 is 2901968039.0508473617
• The cube root of 8421418499672620358 is 2034518.9999999989

Scales and comparisons

• 8,421,418,499,672,620,358 seconds is equal to 267,775,059,131 years, 43 weeks, 3 days, 15 hours, 52 minutes, 38 seconds.
• To count from 1 to 8,421,418,499,672,620,358 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 8421418499672620358 cubic inches would be around 169543.3 feet tall.

Recreational maths with 8421418499672620358

• 8421418499672620358 backwards is 8530262769948141248
• The number of decimal digits it has is: 19
• The sum of 8421418499672620358's digits is 89
• More coming soon!