77008068921

Names of 77008068921

• Cardinal: 77008068921 can be written as Seventy-seven billion, eight million, sixty-eight thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 7.7008068921 × 10¹⁰

Factors of 77008068921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3614

Divisors of 77008068921

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 57 67 133 201 399 469 1273 1297 1407 2221 3819 3891 6663 8911 9079 15547 24643 26733 27237 42199 46641 73929 86899 126597 148807 172501 260697 295393 446421 517503 608293 886179 1041649 1651081 1824879 2827333 2880637 3124947 4953243 8481999 8641911 11557567 19791331 20164459 34672701 54732103 59373993 60493377 164196309 193002679 383124721 579008037 1149374163 1351018753 3667050901 4053056259 11001152703 25669356307 77008068921
• Sum of all divisors σ(n): 125518469120
• Sum of proper divisors (its aliquot sum) s(n): 48510400199
• 77008068921 is a deficient number, because the sum of its proper divisors (48510400199) is less than itself. Its deficiency is 28497668722

Bases of 77008068921

• Binary: 1000111101110000010011110000100111001₂
• Hexadecimal: 0x11EE09E139
• Base-36: ZDKM69L

Squares and roots of 77008068921

• 77008068921 squared (77008068921²) is 5930242678941486104241
• 77008068921 cubed (77008068921³) is 456676536938181637241554718393961
• The square root of 77008068921 is 277503.2773157825
• The cube root of 77008068921 is 4254.4694650281

Scales and comparisons

• 77,008,068,921 seconds is equal to 2,448 years, 32 weeks, 1 day, 2 hours, 15 minutes, 21 seconds.
• To count from 1 to 77,008,068,921 would take you about four thousand, eight hundred ninety-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 77008068921 cubic inches would be around 354.5 feet tall.

Recreational maths with 77008068921

• 77008068921 backwards is 12986080077
• The number of decimal digits it has is: 11
• The sum of 77008068921's digits is 48
• More coming soon!