90147939378

Names of 90147939378

• Cardinal: 90147939378 can be written as Ninety billion, one hundred forty-seven million, nine hundred thirty-nine thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 9.0147939378 × 10¹⁰

Factors of 90147939378

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 58010306

Divisors of 90147939378

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 58010257 116020514 174030771 348061542 406071799 812143598 1218215397 2146379509 2436430794 4292759018 6439138527 12878277054 15024656563 30049313126 45073969689 90147939378
• Sum of all divisors σ(n): 211621421184
• Sum of proper divisors (its aliquot sum) s(n): 121473481806
• 90147939378 is an abundant number, because the sum of its proper divisors (121473481806) is greater than itself. Its abundance is 31325542428

Bases of 90147939378

• Binary: 1010011111101001111000110010000110010₂
• Hexadecimal: 0x14FD3C6432
• Base-36: 15EVR776

Squares and roots of 90147939378

• 90147939378 squared (90147939378²) is 8126650974099563026884
• 90147939378 cubed (90147939378³) is 732600839359292055883829016238152
• The square root of 90147939378 is 300246.4643888417
• The cube root of 90147939378 is 4483.8588698971

Scales and comparisons

• 90,147,939,378 seconds is equal to 2,866 years, 22 weeks, 22 hours, 16 minutes, 18 seconds.
• To count from 1 to 90,147,939,378 would take you about five thousand, seven hundred thirty-two 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 90147939378 cubic inches would be around 373.7 feet tall.

Recreational maths with 90147939378

• 90147939378 backwards is 87393974109
• The number of decimal digits it has is: 11
• The sum of 90147939378's digits is 60
• More coming soon!