72828152390

Names of 72828152390

• Cardinal: 72828152390 can be written as Seventy-two billion, eight hundred twenty-eight million, one hundred fifty-two thousand, three hundred ninety.

Scientific notation

• Scientific notation: 7.282815239 × 10¹⁰

Factors of 72828152390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 873296

Divisors of 72828152390

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 14 35 70 1193 2386 5965 8351 11930 16702 41755 83510 872089 1744178 4360445 6104623 8720890 12209246 30523115 61046230 1040402177 2080804354 5202010885 7282815239 10404021770 14565630478 36414076195 72828152390
• Sum of all divisors σ(n): 149943666240
• Sum of proper divisors (its aliquot sum) s(n): 77115513850
• 72828152390 is an abundant number, because the sum of its proper divisors (77115513850) is greater than itself. Its abundance is 4287361460

Bases of 72828152390

• Binary: 1000011110100111001010110101001000110₂
• Hexadecimal: 0x10F4E56A46
• Base-36: XGG0212

Squares and roots of 72828152390

• 72828152390 squared (72828152390²) is 5303939780541062712100
• 72828152390 cubed (72828152390³) is 386276134604627671849365496919000
• The square root of 72828152390 is 269866.9160716075
• The cube root of 72828152390 is 4176.0571243999

Scales and comparisons

• 72,828,152,390 seconds is equal to 2,315 years, 36 weeks, 6 days, 10 hours, 19 minutes, 50 seconds.
• To count from 1 to 72,828,152,390 would take you about four thousand, six hundred thirty-one 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 72828152390 cubic inches would be around 348 feet tall.

Recreational maths with 72828152390

• 72828152390 backwards is 09325182827
• The number of decimal digits it has is: 11
• The sum of 72828152390's digits is 47
• More coming soon!