68073077920

Names of 68073077920

• Cardinal: 68073077920 can be written as Sixty-eight billion, seventy-three million, seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.807307792 × 10¹⁰

Factors of 68073077920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 393654

Divisors of 68073077920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 46 47 80 92 94 115 160 184 188 230 235 368 376 460 470 736 752 920 940 1081 1504 1840 1880 2162 3680 3760 4324 5405 7520 8648 10810 17296 21620 34592 43240 86480 172960 393577 787154 1574308 1967885 3148616 3935770 6297232 7871540 9052271 12594464 15743080 18104542 18498119 31486160 36209084 36996238 45261355 62972320 72418168 73992476 90522710 92490595 144836336 147984952 181045420 184981190 289672672 295969904 362090840 369962380 425456737 591939808 724181680 739924760 850913474 1448363360 1479849520 1701826948 2127283685 2959699040 3403653896 4254567370 6807307792 8509134740 13614615584 17018269480 34036538960 68073077920
• Sum of all divisors σ(n): 171385901568
• Sum of proper divisors (its aliquot sum) s(n): 103312823648
• 68073077920 is an abundant number, because the sum of its proper divisors (103312823648) is greater than itself. Its abundance is 35239745728

Bases of 68073077920

• Binary: 111111011001011110001011110010100000₂
• Hexadecimal: 0xFD978BCA0
• Base-36: V9SYB34

Squares and roots of 68073077920

• 68073077920 squared (68073077920²) is 4633943937502391526400
• 68073077920 cubed (68073077920³) is 315446826734511908562974937088000
• The square root of 68073077920 is 260908.1790975515
• The cube root of 68073077920 is 4083.1167297495

Scales and comparisons

• 68,073,077,920 seconds is equal to 2,164 years, 26 weeks, 4 days, 20 hours, 18 minutes, 40 seconds.
• To count from 1 to 68,073,077,920 would take you about four thousand, three hundred twenty-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 68073077920 cubic inches would be around 340.3 feet tall.

Recreational maths with 68073077920

• 68073077920 backwards is 02977037086
• The number of decimal digits it has is: 11
• The sum of 68073077920's digits is 49
• More coming soon!