77809378068

Names of 77809378068

• Cardinal: 77809378068 can be written as Seventy-seven billion, eight hundred nine million, three hundred seventy-eight thousand and sixty-eight.

Scientific notation

• Scientific notation: 7.7809378068 × 10¹⁰

Factors of 77809378068

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7685

Divisors of 77809378068

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 7643 15286 22929 30572 45858 68787 91716 137574 275148 282791 565582 848373 1131164 1696746 2545119 3393492 5090238 10180476 58415449 116830898 175246347 233661796 350492694 525739041 700985388 1051478082 2102956164 2161371613 4322743226 6484114839 8645486452 12968229678 19452344517 25936459356 38904689034 77809378068
• Sum of all divisors σ(n): 202027055594
• Sum of proper divisors (its aliquot sum) s(n): 124217677526
• 77809378068 is an abundant number, because the sum of its proper divisors (124217677526) is greater than itself. Its abundance is 46408299458

Bases of 77809378068

• Binary: 1001000011101110011001110001100010100₂
• Hexadecimal: 0x121DCCE314
• Base-36: ZQTP0D0

Squares and roots of 77809378068

• 77809378068 squared (77809378068²) is 6054299315328959412624
• 77809378068 cubed (77809378068³) is 471081264363264550725888027930432
• The square root of 77809378068 is 278943.3241144157
• The cube root of 77809378068 is 4269.1752336837

Scales and comparisons

• 77,809,378,068 seconds is equal to 2,474 years, 5 weeks, 12 hours, 7 minutes, 48 seconds.
• To count from 1 to 77,809,378,068 would take you about four thousand, nine hundred forty-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 77809378068 cubic inches would be around 355.8 feet tall.

Recreational maths with 77809378068

• 77809378068 backwards is 86087390877
• The number of decimal digits it has is: 11
• The sum of 77809378068's digits is 63
• More coming soon!