77994742245

Names of 77994742245

• Cardinal: 77994742245 can be written as Seventy-seven billion, nine hundred ninety-four million, seven hundred forty-two thousand, two hundred forty-five.

Scientific notation

• Scientific notation: 7.7994742245 × 10¹⁰

Factors of 77994742245

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 56634

Divisors of 77994742245

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 21 35 43 105 129 215 301 307 645 903 921 1505 1535 2149 4515 4605 6447 10745 13201 32235 39603 56269 66005 92407 168807 198015 277221 281345 393883 462035 844035 1181649 1386105 1969415 2419567 5908245 7258701 12097835 16936969 17274583 36293505 50810907 51823749 84684845 86372915 120922081 254054535 259118745 362766243 604610405 742807069 1813831215 2228421207 3714035345 5199649483 11142106035 15598948449 25998247415 77994742245
• Sum of all divisors σ(n): 146413639680
• Sum of proper divisors (its aliquot sum) s(n): 68418897435
• 77994742245 is a deficient number, because the sum of its proper divisors (68418897435) is less than itself. Its deficiency is 9575844810

Bases of 77994742245

• Binary: 1001000101000110110010101000111100101₂
• Hexadecimal: 0x1228D951E5
• Base-36: ZTW209X

Squares and roots of 77994742245

• 77994742245 squared (77994742245²) is 6083179817863987640025
• 77994742245 cubed (77994742245³) is 474456041924287762451615720356125
• The square root of 77994742245 is 279275.3878253507
• The cube root of 77994742245 is 4272.5626770085

Scales and comparisons

• 77,994,742,245 seconds is equal to 2,479 years, 51 weeks, 3 days, 22 hours, 10 minutes, 45 seconds.
• To count from 1 to 77,994,742,245 would take you about four thousand, nine hundred fifty-nine 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 77994742245 cubic inches would be around 356 feet tall.

Recreational maths with 77994742245

• 77994742245 backwards is 54224749977
• The number of decimal digits it has is: 11
• The sum of 77994742245's digits is 60
• More coming soon!