8472900345

Names of 8472900345

• Cardinal: 8472900345 can be written as Eight billion, four hundred seventy-two million, nine hundred thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 8.472900345 × 10⁹

Factors of 8472900345

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 719

Divisors of 8472900345

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 65 91 105 169 195 273 455 507 691 845 1183 1365 2073 2535 3455 3549 4837 5915 8983 10365 14511 17745 24185 26949 44915 62881 72555 116779 134745 188643 314405 350337 477481 583895 817453 943215 1432443 1751685 2387405 2452359 3342367 4087265 6207253 7162215 10027101 12261795 16711835 18621759 31036265 43450771 50135505 80694289 93108795 130352313 217253855 242082867 403471445 564860023 651761565 1210414335 1694580069 2824300115 8472900345
• Sum of all divisors σ(n): 16801086528
• Sum of proper divisors (its aliquot sum) s(n): 8328186183
• 8472900345 is a deficient number, because the sum of its proper divisors (8328186183) is less than itself. Its deficiency is 144714162

Bases of 8472900345

• Binary: 111111001000001100011001011111001₂
• Hexadecimal: 0x1F90632F9
• Base-36: 3W4JNQX

Squares and roots of 8472900345

• 8472900345 squared (8472900345²) is 71790040256301119025
• 8472900345 cubed (8472900345³) is 608269856855177639810808563625
• The square root of 8472900345 is 92048.3587306151
• The cube root of 8472900345 is 2038.6563900957

Scales and comparisons

• 8,472,900,345 seconds is equal to 269 years, 21 weeks, 2 days, 23 hours, 25 minutes, 45 seconds.
• To count from 1 to 8,472,900,345 would take you about five hundred thirty-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 8472900345 cubic inches would be around 169.9 feet tall.

Recreational maths with 8472900345

• 8472900345 backwards is 5430092748
• The number of decimal digits it has is: 10
• The sum of 8472900345's digits is 42
• More coming soon!