398874295966209982

Names of 398874295966209982

• Cardinal: 398874295966209982 can be written as Three hundred ninety-eight quadrillion, eight hundred seventy-four trillion, two hundred ninety-five billion, nine hundred sixty-six million, two hundred nine thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 3.98874295966209982 × 10¹⁷

Factors of 398874295966209982

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 6412151497755

Divisors of 398874295966209982

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 19 38 1637 3274 31103 62206 6412151496097 12824302992194 121830878425843 243661756851686 10496691999110789 20993383998221578 199437147983104991 398874295966209982
• Sum of all divisors σ(n): 630186249036511440
• Sum of proper divisors (its aliquot sum) s(n): 231311953070301458
• 398874295966209982 is a deficient number, because the sum of its proper divisors (231311953070301458) is less than itself. Its deficiency is 167562342895908524

Bases of 398874295966209982

• Binary: 10110001001000101100000111100010001000110011001011110111110₂
• Hexadecimal: 0x589160F111997BE
• Base-36: 313H4XWL5DBY

Squares and roots of 398874295966209982

• 398874295966209982 squared (398874295966209982²) is 159100703982539676717987109316440324
• 398874295966209982 cubed (398874295966209982³) is 63461181288763894191572011403655210113941417756114168
• The square root of 398874295966209982 is 631564957.8358587035
• The cube root of 398874295966209982 is 736114.4621315417

Scales and comparisons

• 398,874,295,966,209,982 seconds is equal to 12,682,968,812 years, 27 weeks, 1 hour, 26 minutes, 22 seconds.
• To count from 1 to 398,874,295,966,209,982 would take you about thirty-eight billion, forty-eight million, nine hundred six thousand, four hundred thirty-seven 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 398874295966209982 cubic inches would be around 61342.9 feet tall.

Recreational maths with 398874295966209982

• 398874295966209982 backwards is 289902669592478893
• The number of decimal digits it has is: 18
• The sum of 398874295966209982's digits is 106
• More coming soon!