155565840968

Names of 155565840968

• Cardinal: 155565840968 can be written as One hundred fifty-five billion, five hundred sixty-five million, eight hundred forty thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.55565840968 × 10¹¹

Factors of 155565840968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 99938

Divisors of 155565840968

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 23 46 61 92 122 139 184 244 278 488 556 1112 1403 2806 3197 5612 6394 8479 11224 12788 16958 25576 33916 67832 99713 195017 199426 390034 398852 780068 797704 1560136 2293399 4586798 6082493 9173596 12164986 13860107 18347192 24329972 27720214 48659944 55440428 110880856 139897339 279794678 318782461 559589356 637564922 845466527 1119178712 1275129844 1690933054 2550259688 3381866108 6763732216 19445730121 38891460242 77782920484 155565840968
• Sum of all divisors σ(n): 311586307200
• Sum of proper divisors (its aliquot sum) s(n): 156020466232
• 155565840968 is an abundant number, because the sum of its proper divisors (156020466232) is greater than itself. Its abundance is 454625264

Bases of 155565840968

• Binary: 10010000111000011100100101101001001000₂
• Hexadecimal: 0x2438725A48
• Base-36: 1ZGRVV48

Squares and roots of 155565840968

• 155565840968 squared (155565840968²) is 24200730876081067177024
• 155565840968 cubed (155565840968³) is 3764807050777794611536640287519232
• The square root of 155565840968 is 394418.3577979099
• The cube root of 155565840968 is 5378.2140182723

Scales and comparisons

• 155,565,840,968 seconds is equal to 4,946 years, 26 weeks, 4 days, 13 hours, 36 minutes, 8 seconds.
• To count from 1 to 155,565,840,968 would take you about nine thousand, eight hundred ninety-three 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 155565840968 cubic inches would be around 448.2 feet tall.

Recreational maths with 155565840968

• 155565840968 backwards is 869048565551
• The number of decimal digits it has is: 12
• The sum of 155565840968's digits is 62
• More coming soon!