30640080

Names of 30640080

• Cardinal: 30640080 can be written as Thirty million, six hundred forty thousand and eighty.

Scientific notation

• Scientific notation: 3.064008 × 10⁷

Factors of 30640080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3022

Divisors of 30640080

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 172 215 240 258 344 430 516 645 688 860 1032 1290 1720 2064 2580 2969 3440 5160 5938 8907 10320 11876 14845 17814 23752 29690 35628 44535 47504 59380 71256 89070 118760 127667 142512 178140 237520 255334 356280 383001 510668 638335 712560 766002 1021336 1276670 1532004 1915005 2042672 2553340 3064008 3830010 5106680 6128016 7660020 10213360 15320040 30640080
• Sum of all divisors σ(n): 97225920
• Sum of proper divisors (its aliquot sum) s(n): 66585840
• 30640080 is an abundant number, because the sum of its proper divisors (66585840) is greater than itself. Its abundance is 35945760

Bases of 30640080

• Binary: 1110100111000011111010000₂
• Hexadecimal: 0x1D387D0
• Base-36: I8Q1C

Squares and roots of 30640080

• 30640080 squared (30640080²) is 938814502406400
• 30640080 cubed (30640080³) is 28765351458892288512000
• The square root of 30640080 is 5535.3482275283
• The cube root of 30640080 is 312.9175814871

Scales and comparisons

• 30,640,080 seconds is equal to 50 weeks, 4 days, 15 hours, 8 minutes.
• To count from 1 to 30,640,080 would take you about twenty-three weeks!

  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 30640080 cubic inches would be around 26.1 feet tall.

Recreational maths with 30640080

• 30640080 backwards is 08004603
• The number of decimal digits it has is: 8
• The sum of 30640080's digits is 21
• More coming soon!