398420709375

Names of 398420709375

• Cardinal: 398420709375 can be written as Three hundred ninety-eight billion, four hundred twenty million, seven hundred nine thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 3.98420709375 × 10¹¹

Factors of 398420709375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 61755

Divisors of 398420709375

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 13 15 25 39 53 65 75 125 159 195 265 325 375 625 689 795 975 1325 1625 1875 2067 3125 3445 3975 4875 6625 8125 9375 10335 17225 19875 24375 33125 40625 51675 61681 86125 99375 121875 165625 185043 258375 308405 430625 496875 801853 925215 1291875 1542025 2153125 2405559 3269093 4009265 4626075 6459375 7710125 9807279 12027795 16345465 20046325 23130375 38550625 42498209 49036395 60138975 81727325 100231625 115651875 127494627 192753125 212491045 245181975 300694875 408636625 501158125 578259375 637473135 1062455225 1225909875 1503474375 2043183125 2505790625 3187365675 5312276125 6129549375 7517371875 10215915625 15936828375 26561380625 30647746875 79684141875 132806903125 398420709375
• Sum of all divisors σ(n): 728571993408
• Sum of proper divisors (its aliquot sum) s(n): 330151284033
• 398420709375 is a deficient number, because the sum of its proper divisors (330151284033) is less than itself. Its deficiency is 68269425342

Bases of 398420709375

• Binary: 101110011000011101110011000111111111111₂
• Hexadecimal: 0x5CC3B98FFF
• Base-36: 5315EIV3

Squares and roots of 398420709375

• 398420709375 squared (398420709375²) is 158739061658878212890625
• 398420709375 cubed (398420709375³) is 63244929551652121846615081787109375
• The square root of 398420709375 is 631205.7583506349
• The cube root of 398420709375 is 7358.3532799789

Scales and comparisons

• 398,420,709,375 seconds is equal to 12,668 years, 28 weeks, 2 days, 19 hours, 16 minutes, 15 seconds.
• To count from 1 to 398,420,709,375 would take you about twenty-five thousand, three 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 398420709375 cubic inches would be around 613.2 feet tall.

Recreational maths with 398420709375

• 398420709375 backwards is 573907024893
• The number of decimal digits it has is: 12
• The sum of 398420709375's digits is 57
• More coming soon!