30012500

Names of 30012500

• Cardinal: 30012500 can be written as Thirty million, twelve thousand, five hundred.

Scientific notation

• Scientific notation: 3.00125 × 10⁷

Factors of 30012500

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14

Divisors of 30012500

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 125 140 175 196 245 250 343 350 490 500 625 686 700 875 980 1225 1250 1372 1715 1750 2401 2450 2500 3125 3430 3500 4375 4802 4900 6125 6250 6860 8575 8750 9604 12005 12250 12500 17150 17500 21875 24010 24500 30625 34300 42875 43750 48020 60025 61250 85750 87500 120050 122500 153125 171500 214375 240100 300125 306250 428750 600250 612500 857500 1071875 1200500 1500625 2143750 3001250 4287500 6002500 7503125 15006250 30012500
• Sum of all divisors σ(n): 76584942
• Sum of proper divisors (its aliquot sum) s(n): 46572442
• 30012500 is an abundant number, because the sum of its proper divisors (46572442) is greater than itself. Its abundance is 16559942

Bases of 30012500

• Binary: 1110010011111010001010100₂
• Hexadecimal: 0x1C9F454
• Base-36: HV9SK

Squares and roots of 30012500

• 30012500 squared (30012500²) is 900750156250000
• 30012500 cubed (30012500³) is 27033764064453125000000
• The square root of 30012500 is 5478.3665448745
• The cube root of 30012500 is 310.7664006099

Scales and comparisons

• 30,012,500 seconds is equal to 49 weeks, 4 days, 8 hours, 48 minutes, 20 seconds.
• To count from 1 to 30,012,500 would take you about twenty-two 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 30012500 cubic inches would be around 25.9 feet tall.

Recreational maths with 30012500

• 30012500 backwards is 00521003
• The number of decimal digits it has is: 8
• The sum of 30012500's digits is 11
• More coming soon!