90078641380

Names of 90078641380

• Cardinal: 90078641380 can be written as Ninety billion, seventy-eight million, six hundred forty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 9.007864138 × 10¹⁰

Factors of 90078641380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7070564

Divisors of 90078641380

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1274 1820 2548 3185 6370 12740 7070537 14141074 28282148 35352685 49493759 70705370 91916981 98987518 141410740 183833962 197975036 247468795 346456313 367667924 459584905 494937590 643418867 692912626 919169810 989875180 1286837734 1385825252 1732281565 1838339620 2573675468 3217094335 3464563130 4503932069 6434188670 6929126260 9007864138 12868377340 18015728276 22519660345 45039320690 90078641380
• Sum of all divisors σ(n): 236976151608
• Sum of proper divisors (its aliquot sum) s(n): 146897510228
• 90078641380 is an abundant number, because the sum of its proper divisors (146897510228) is greater than itself. Its abundance is 56818868848

Bases of 90078641380

• Binary: 1010011111001000110101111110011100100₂
• Hexadecimal: 0x14F91AFCE4
• Base-36: 15DQHWIS

Squares and roots of 90078641380

• 90078641380 squared (90078641380²) is 8114161632866648304400
• 90078641380 cubed (90078641380³) is 730912655826350033974632676072000
• The square root of 90078641380 is 300131.0403473791
• The cube root of 90078641380 is 4482.7096400939

Scales and comparisons

• 90,078,641,380 seconds is equal to 2,864 years, 11 weeks, 3 days, 20 hours, 49 minutes, 40 seconds.
• To count from 1 to 90,078,641,380 would take you about five thousand, seven hundred twenty-eight 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 90078641380 cubic inches would be around 373.6 feet tall.

Recreational maths with 90078641380

• 90078641380 backwards is 08314687009
• The number of decimal digits it has is: 11
• The sum of 90078641380's digits is 46
• More coming soon!