78213840016

Names of 78213840016

• Cardinal: 78213840016 can be written as Seventy-eight billion, two hundred thirteen million, eight hundred forty thousand and sixteen.

Scientific notation

• Scientific notation: 7.8213840016 × 10¹⁰

Factors of 78213840016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2083

Divisors of 78213840016

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 13 16 26 37 43 52 74 86 104 127 148 172 208 254 296 344 481 508 559 592 688 962 1016 1118 1591 1651 1861 1924 2032 2236 3182 3302 3722 3848 4472 4699 5461 6364 6604 7444 7696 8944 9398 10922 12728 13208 14888 18796 20683 21844 24193 25456 26416 29776 37592 41366 43688 48386 61087 68857 70993 75184 80023 82732 87376 96772 122174 137714 141986 160046 165464 193544 202057 236347 244348 275428 283972 320092 330928 387088 404114 472694 488696 550856 567944 640184 808228 895141 945388 977392 1040299 1101712 1135888 1280368 1616456 1790282 1890776 2080598 2626741 2960851 3072511 3232912 3580564 3781552 4161196 5253482 5921702 6145022 7161128 8322392 8744839 10162921 10506964 11843404 12290044 14322256 16644784 17489678 20325842 21013928 23686808 24580088 34979356 38491063 40651684 42027856 47373616 49160176 69958712 76982126 81303368 113682907 132117973 139917424 153964252 162606736 227365814 264235946 307928504 376028077 454731628 528471892 615857008 752056154 909463256 1056943784 1504112308 1818926512 2113887568 3008224616 4888365001 6016449232 9776730002 19553460004 39106920008 78213840016
• Sum of all divisors σ(n): 172948041728
• Sum of proper divisors (its aliquot sum) s(n): 94734201712
• 78213840016 is an abundant number, because the sum of its proper divisors (94734201712) is greater than itself. Its abundance is 16520361696

Bases of 78213840016

• Binary: 1001000110101111010000111110010010000₂
• Hexadecimal: 0x1235E87C90
• Base-36: ZXII174

Squares and roots of 78213840016

• 78213840016 squared (78213840016²) is 6117404770048442880256
• 78213840016 cubed (78213840016³) is 478465717997684180006257029124096
• The square root of 78213840016 is 279667.3738854783
• The cube root of 78213840016 is 4276.5596719567

Scales and comparisons

• 78,213,840,016 seconds is equal to 2,486 years, 49 weeks, 5 days, 18 hours, 40 minutes, 16 seconds.
• To count from 1 to 78,213,840,016 would take you about four thousand, nine hundred seventy-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 78213840016 cubic inches would be around 356.4 feet tall.

Recreational maths with 78213840016

• 78213840016 backwards is 61004831287
• The number of decimal digits it has is: 11
• The sum of 78213840016's digits is 40
• More coming soon!