381013248091020902

Names of 381013248091020902

• Cardinal: 381013248091020902 can be written as Three hundred eighty-one quadrillion, thirteen trillion, two hundred forty-eight billion, ninety-one million, twenty thousand, nine hundred two.

Scientific notation

• Scientific notation: 3.81013248091020902 × 10¹⁷

Factors of 381013248091020902

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 27215232006501502

Divisors of 381013248091020902

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 7 14 27215232006501493 54430464013002986 190506624045510451 381013248091020902
• Sum of all divisors σ(n): 653165568156035856
• Sum of proper divisors (its aliquot sum) s(n): 272152320065014954
• 381013248091020902 is a deficient number, because the sum of its proper divisors (272152320065014954) is less than itself. Its deficiency is 108860928026005948

Bases of 381013248091020902

• Binary: 10101001001101000011000011111001011001011101101111001100110₂
• Hexadecimal: 0x549A187CB2EDE66
• Base-36: 2W7LX9SAUNVQ

Squares and roots of 381013248091020902

• 381013248091020902 squared (381013248091020902²) is 145171095220869843022104196600893604
• 381013248091020902 cubed (381013248091020902³) is 55312110519034500306433518077807361675064461842110808
• The square root of 381013248091020902 is 617262705.8967850051
• The cube root of 381013248091020902 is 724958.8549561641

Scales and comparisons

• 381,013,248,091,020,902 seconds is equal to 12,115,042,737 years, 48 weeks, 5 days, 55 minutes, 2 seconds.
• To count from 1 to 381,013,248,091,020,902 would take you about thirty-six billion, three hundred forty-five million, one hundred twenty-eight thousand, two hundred thirteen 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 381013248091020902 cubic inches would be around 60413.2 feet tall.

Recreational maths with 381013248091020902

• 381013248091020902 backwards is 209020190842310183
• The number of decimal digits it has is: 18
• The sum of 381013248091020902's digits is 53
• More coming soon!