31380945385695372

Names of 31380945385695372

• Cardinal: 31380945385695372 can be written as Thirty-one quadrillion, three hundred eighty trillion, nine hundred forty-five billion, three hundred eighty-five million, six hundred ninety-five thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 3.1380945385695372 × 10¹⁶

Factors of 31380945385695372

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17045952

Divisors of 31380945385695372

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 17045947 34091894 51137841 68183788 102275682 153413523 204551364 306827046 460240569 613654092 920481138 1840962276 290564309126809 581128618253618 871692927380427 1162257236507236 1743385854760854 2615078782141281 3486771709521708 5230157564282562 7845236346423843 10460315128565124 15690472692847686 31380945385695372
• Sum of all divisors σ(n): 81358011328371960
• Sum of proper divisors (its aliquot sum) s(n): 49977065942676588
• 31380945385695372 is an abundant number, because the sum of its proper divisors (49977065942676588) is greater than itself. Its abundance is 18596120556981216

Bases of 31380945385695372

• Binary: 1101111011111001100110110110110011011100010100010001100₂
• Hexadecimal: 0x6F7CCDB66E288C
• Base-36: 8KZM7AIN630

Squares and roots of 31380945385695372

• 31380945385695372 squared (31380945385695372²) is 984763733299995659733999982218384
• 31380945385695372 cubed (31380945385695372³) is 30902816932500646745601981651486630482593002118848
• The square root of 31380945385695372 is 177146677.6027576871
• The cube root of 31380945385695372 is 315419.5983287609

Scales and comparisons

• 31,380,945,385,695,372 seconds is equal to 997,816,995 years, 32 weeks, 4 days, 12 hours, 16 minutes, 12 seconds.
• To count from 1 to 31,380,945,385,695,372 would take you about two billion, nine hundred ninety-three million, four hundred fifty thousand, nine hundred eighty-six 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 31380945385695372 cubic inches would be around 26285 feet tall.

Recreational maths with 31380945385695372

• 31380945385695372 backwards is 27359658354908313
• The number of decimal digits it has is: 17
• The sum of 31380945385695372's digits is 81
• More coming soon!