9842145720

Names of 9842145720

• Cardinal: 9842145720 can be written as Nine billion, eight hundred forty-two million, one hundred forty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 9.84214572 × 10⁹

Factors of 9842145720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7456192

Divisors of 9842145720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 7456171 14912342 22368513 29824684 37280855 44737026 59649368 74561710 82017881 89474052 111842565 149123420 164035762 178948104 223685130 246053643 298246840 328071524 410089405 447370260 492107286 656143048 820178810 894740520 984214572 1230268215 1640357620 1968429144 2460536430 3280715240 4921072860 9842145720
• Sum of all divisors σ(n): 32210663040
• Sum of proper divisors (its aliquot sum) s(n): 22368517320
• 9842145720 is an abundant number, because the sum of its proper divisors (22368517320) is greater than itself. Its abundance is 12526371600

Bases of 9842145720

• Binary: 1001001010101000110011100110111000₂
• Hexadecimal: 0x24AA339B8
• Base-36: 4IRRC8O

Squares and roots of 9842145720

• 9842145720 squared (9842145720²) is 96867832373714318400
• 9842145720 cubed (9842145720³) is 953387321802629819343277248000
• The square root of 9842145720 is 99207.5890242275
• The cube root of 9842145720 is 2143.0382877469

Scales and comparisons

• 9,842,145,720 seconds is equal to 312 years, 49 weeks, 2 days, 17 hours, 22 minutes.
• To count from 1 to 9,842,145,720 would take you about six hundred twenty-five 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 9842145720 cubic inches would be around 178.6 feet tall.

Recreational maths with 9842145720

• 9842145720 backwards is 0275412489
• The number of decimal digits it has is: 10
• The sum of 9842145720's digits is 42
• More coming soon!