40702978323

Names of 40702978323

• Cardinal: 40702978323 can be written as Forty billion, seven hundred two million, nine hundred seventy-eight thousand, three hundred twenty-three.

Scientific notation

• Scientific notation: 4.0702978323 × 10¹⁰

Factors of 40702978323

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31127

Divisors of 40702978323

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 147 157 171 399 441 471 931 1099 1197 1413 2793 2983 3297 7693 8379 8949 9891 20881 23079 26847 30941 62643 69237 92823 146167 187929 216587 278469 438501 587879 649761 1315503 1516109 1763637 1949283 4115153 4548327 4857737 5290911 12345459 13644981 14573211 28806071 34004159 37036377 43719633 86418213 92297003 102012477 238029113 259254639 276891009 306037431 646079021 714087339 830673027 1938237063 2142262017 4522553147 5814711189 13567659441 40702978323
• Sum of all divisors σ(n): 72452549520
• Sum of proper divisors (its aliquot sum) s(n): 31749571197
• 40702978323 is a deficient number, because the sum of its proper divisors (31749571197) is less than itself. Its deficiency is 8953407126

Bases of 40702978323

• Binary: 100101111010000101100010100100010011₂
• Hexadecimal: 0x97A162913
• Base-36: IP5I32R

Squares and roots of 40702978323

• 40702978323 squared (40702978323²) is 1656732444362607892329
• 40702978323 cubed (40702978323³) is 67433944769902032593216004984267
• The square root of 40702978323 is 201749.7913827917
• The cube root of 40702978323 is 3439.8702606501

Scales and comparisons

• 40,702,978,323 seconds is equal to 1,294 years, 11 weeks, 6 days, 6 hours, 52 minutes, 3 seconds.
• To count from 1 to 40,702,978,323 would take you about two thousand, five hundred eighty-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 40702978323 cubic inches would be around 286.7 feet tall.

Recreational maths with 40702978323

• 40702978323 backwards is 32387920704
• The number of decimal digits it has is: 11
• The sum of 40702978323's digits is 45
• More coming soon!