77946815062169138

Names of 77946815062169138

• Cardinal: 77946815062169138 can be written as Seventy-seven quadrillion, nine hundred forty-six trillion, eight hundred fifteen billion, sixty-two million, one hundred sixty-nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.7946815062169138 × 10¹⁶

Factors of 77946815062169138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 819400

Divisors of 77946815062169138

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 241 482 58081 116162 819157 1638314 197416837 394833674 47577457717 95154915434 671018190649 1342036381298 161715383946409 323430767892818 38973407531084569 77946815062169138
• Sum of all divisors σ(n): 117407525126920983
• Sum of proper divisors (its aliquot sum) s(n): 39460710064751845
• 77946815062169138 is a deficient number, because the sum of its proper divisors (39460710064751845) is less than itself. Its deficiency is 38486104997417293

Bases of 77946815062169138

• Binary: 100010100111011000011011100011111001001110101011000110010₂
• Hexadecimal: 0x114EC371F275632
• Base-36: LBHU8I0W182

Squares and roots of 77946815062169138

• 77946815062169138 squared (77946815062169138²) is 6075705978335997600655941719663044
• 77946815062169138 cubed (77946815062169138³) is 473581930265471416233368213076205284294549095936072
• The square root of 77946815062169138 is 279189568.3261986385
• The cube root of 77946815062169138 is 427168.7345139525

Scales and comparisons

• 77,946,815,062,169,138 seconds is equal to 2,478,467,613 years, 33 weeks, 4 days, 16 hours, 45 minutes, 38 seconds.
• To count from 1 to 77,946,815,062,169,138 would take you about seven billion, four hundred thirty-five million, four hundred two thousand, eight hundred forty 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 77946815062169138 cubic inches would be around 35597.4 feet tall.

Recreational maths with 77946815062169138

• 77946815062169138 backwards is 83196126051864977
• The number of decimal digits it has is: 17
• The sum of 77946815062169138's digits is 83
• More coming soon!