345438639

Names of 345438639

• Cardinal: 345438639 can be written as Three hundred forty-five million, four hundred thirty-eight thousand, six hundred thirty-nine.

Scientific notation

• Scientific notation: 3.45438639 × 10⁸

Factors of 345438639

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 402

Divisors of 345438639

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 19 21 39 57 63 79 91 117 133 171 237 247 273 281 399 553 711 741 819 843 1027 1197 1501 1659 1729 1967 2223 2529 3081 3653 4503 4977 5187 5339 5901 7189 9243 10507 10959 13509 15561 16017 17703 19513 21567 22199 25571 31521 32877 37373 48051 58539 64701 66597 69407 76713 94563 112119 136591 155393 175617 199791 208221 230139 288587 336357 409773 421781 466179 485849 624663 865761 1229319 1265343 1398537 1457547 2020109 2597283 2952467 3796029 4372641 5483153 6060327 8857401 16449459 18180981 26572203 38382071 49348377 115146213 345438639
• Sum of all divisors σ(n): 656947200
• Sum of proper divisors (its aliquot sum) s(n): 311508561
• 345438639 is a deficient number, because the sum of its proper divisors (311508561) is less than itself. Its deficiency is 33930078

Bases of 345438639

• Binary: 10100100101101111100110101111₂
• Hexadecimal: 0x1496F9AF
• Base-36: 5PNY5R

Squares and roots of 345438639

• 345438639 squared (345438639²) is 119327853314172321
• 345438639 cubed (345438639³) is 41220451243639325977711119
• The square root of 345438639 is 18585.9796351981
• The cube root of 345438639 is 701.6550220145

Scales and comparisons

• 345,438,639 seconds is equal to 10 years, 51 weeks, 1 day, 3 hours, 10 minutes, 39 seconds.
• To count from 1 to 345,438,639 would take you about sixteen 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 345438639 cubic inches would be around 58.5 feet tall.

Recreational maths with 345438639

• 345438639 backwards is 936834543
• The number of decimal digits it has is: 9
• The sum of 345438639's digits is 45
• More coming soon!