1389791934942718

Names of 1389791934942718

• Cardinal: 1389791934942718 can be written as One quadrillion, three hundred eighty-nine trillion, seven hundred ninety-one billion, nine hundred thirty-four million, nine hundred forty-two thousand, seven hundred eighteen.

Scientific notation

• Scientific notation: 1.389791934942718 × 10¹⁵

Factors of 1389791934942718

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 11340217

Divisors of 1389791934942718

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 31 47 62 94 137 274 307 614 1457 2914 4247 6439 8494 9517 12878 14429 19034 28858 42059 84118 199609 399218 447299 894598 1303829 1976773 2607658 3953546 11339693 22679386 61279963 122559926 351530483 532965571 703060966 1065931142 1553537941 3107075882 3481285751 6962571502 16521932701 33043865402 48159676171 73016283227 96319352342 107919858281 146032566454 163620430297 215839716562 327240860594 476936147887 953872295774 2263504780037 4527009560074 5072233339207 10144466678414 14785020584497 22415998950689 29570041168994 44831997901378 694895967471359 1389791934942718
• Sum of all divisors σ(n): 2220974686199808
• Sum of proper divisors (its aliquot sum) s(n): 831182751257090
• 1389791934942718 is a deficient number, because the sum of its proper divisors (831182751257090) is less than itself. Its deficiency is 558609183685628

Bases of 1389791934942718

• Binary: 100111100000000001000100110100110000000110111111110₂
• Hexadecimal: 0x4F00226980DFE
• Base-36: DON1LMP7UM

Squares and roots of 1389791934942718

• 1389791934942718 squared (1389791934942718²) is 1931521622431824101761941227524
• 1389791934942718 cubed (1389791934942718³) is 2684413173023222802391225459759727701544970232
• The square root of 1389791934942718 is 37279913.2904399069
• The cube root of 1389791934942718 is 111596.3342594691

Scales and comparisons

• 1,389,791,934,942,718 seconds is equal to 44,191,084 years, 32 weeks, 2 days, 13 hours, 51 minutes, 58 seconds.
• To count from 1 to 1,389,791,934,942,718 would take you about one hundred thirty-two million, five hundred seventy-three thousand, two hundred fifty-three 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 1389791934942718 cubic inches would be around 9299.7 feet tall.

Recreational maths with 1389791934942718

• 1389791934942718 backwards is 8172494391979831
• The number of decimal digits it has is: 16
• The sum of 1389791934942718's digits is 85
• More coming soon!