7690428013145891

Names of 7690428013145891

• Cardinal: 7690428013145891 can be written as Seven quadrillion, six hundred ninety trillion, four hundred twenty-eight billion, thirteen million, one hundred forty-five thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 7.690428013145891 × 10¹⁵

Factors of 7690428013145891

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 668006

Divisors of 7690428013145891

• Number of divisors d(n): 16
• Complete list of divisors:
  1 13 7321 95173 162059 498613 2106767 6481969 1186433939 3650345773 15423641207 47454495049 80804724167 1050461414171 591571385626607 7690428013145891
• Sum of all divisors σ(n): 8283198389178720
• Sum of proper divisors (its aliquot sum) s(n): 592770376032829
• 7690428013145891 is a deficient number, because the sum of its proper divisors (592770376032829) is less than itself. Its deficiency is 7097657637113062

Bases of 7690428013145891

• Binary: 11011010100100110011101001101111001001110111100100011₂
• Hexadecimal: 0x1B52674DE4EF23
• Base-36: 23Q11UU25NN

Squares and roots of 7690428013145891

• 7690428013145891 squared (7690428013145891²) is 59142683025379056635510450183881
• 7690428013145891 cubed (7690428013145891³) is 454832546310983072262498672599970698546229582971
• The square root of 7690428013145891 is 87695085.4560612821
• The cube root of 7690428013145891 is 197386.2231018371

Scales and comparisons

• 7,690,428,013,145,891 seconds is equal to 244,531,822 years, 39 weeks, 4 days, 11 hours, 38 minutes, 11 seconds.
• To count from 1 to 7,690,428,013,145,891 would take you about seven hundred thirty-three million, five hundred ninety-five thousand, four hundred sixty-eight 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 7690428013145891 cubic inches would be around 16448.9 feet tall.

Recreational maths with 7690428013145891

• 7690428013145891 backwards is 1985413108240967
• The number of decimal digits it has is: 16
• The sum of 7690428013145891's digits is 68
• More coming soon!