30158000

Names of 30158000

• Cardinal: 30158000 can be written as Thirty million, one hundred fifty-eight thousand.

Scientific notation

• Scientific notation: 3.0158 × 10⁷

Factors of 30158000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 911

Divisors of 30158000

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 680 850 887 1000 1360 1700 1774 2000 2125 3400 3548 4250 4435 6800 7096 8500 8870 14192 15079 17000 17740 22175 30158 34000 35480 44350 60316 70960 75395 88700 110875 120632 150790 177400 221750 241264 301580 354800 376975 443500 603160 753950 887000 1206320 1507900 1774000 1884875 3015800 3769750 6031600 7539500 15079000 30158000
• Sum of all divisors σ(n): 77298624
• Sum of proper divisors (its aliquot sum) s(n): 47140624
• 30158000 is an abundant number, because the sum of its proper divisors (47140624) is greater than itself. Its abundance is 16982624

Bases of 30158000

• Binary: 1110011000010110010110000₂
• Hexadecimal: 0x1CC2CB0
• Base-36: HYE28

Squares and roots of 30158000

• 30158000 squared (30158000²) is 909504964000000
• 30158000 cubed (30158000³) is 27428850704312000000000
• The square root of 30158000 is 5491.6299948193
• The cube root of 30158000 is 311.2677876751

Scales and comparisons

• 30,158,000 seconds is equal to 49 weeks, 6 days, 1 hour, 13 minutes, 20 seconds.
• To count from 1 to 30,158,000 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 30158000 cubic inches would be around 25.9 feet tall.

Recreational maths with 30158000

• 30158000 backwards is 00085103
• 30158000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30158000's digits is 17
• More coming soon!