30421350

Names of 30421350

• Cardinal: 30421350 can be written as Thirty million, four hundred twenty-one thousand, three hundred fifty.

Scientific notation

• Scientific notation: 3.042135 × 10⁷

Factors of 30421350

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1086

Divisors of 30421350

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 45 50 67 75 90 134 150 201 225 335 402 450 603 670 1005 1009 1206 1675 2010 2018 3015 3027 3350 5025 5045 6030 6054 9081 10050 10090 15075 15135 18162 25225 30150 30270 45405 50450 67603 75675 90810 135206 151350 202809 227025 338015 405618 454050 608427 676030 1014045 1216854 1690075 2028090 3042135 3380150 5070225 6084270 10140450 15210675 30421350
• Sum of all divisors σ(n): 83034120
• Sum of proper divisors (its aliquot sum) s(n): 52612770
• 30421350 is an abundant number, because the sum of its proper divisors (52612770) is greater than itself. Its abundance is 22191420

Bases of 30421350

• Binary: 1110100000011000101100110₂
• Hexadecimal: 0x1D03166
• Base-36: I419I

Squares and roots of 30421350

• 30421350 squared (30421350²) is 925458535822500
• 30421350 cubed (30421350³) is 28153698028743810375000
• The square root of 30421350 is 5515.5552757633
• The cube root of 30421350 is 312.1711954949

Scales and comparisons

• 30,421,350 seconds is equal to 50 weeks, 2 days, 2 hours, 22 minutes, 30 seconds.
• To count from 1 to 30,421,350 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 30421350 cubic inches would be around 26 feet tall.

Recreational maths with 30421350

• 30421350 backwards is 05312403
• 30421350 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30421350's digits is 18
• More coming soon!