40530990

Names of 40530990

• Cardinal: 40530990 can be written as Forty million, five hundred thirty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.053099 × 10⁷

Factors of 40530990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 577

Divisors of 40530990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 19 30 38 57 95 114 190 211 285 337 422 570 633 674 1011 1055 1266 1685 2022 2110 3165 3370 4009 5055 6330 6403 8018 10110 12027 12806 19209 20045 24054 32015 38418 40090 60135 64030 71107 96045 120270 142214 192090 213321 355535 426642 711070 1066605 1351033 2133210 2702066 4053099 6755165 8106198 13510330 20265495 40530990
• Sum of all divisors σ(n): 103184640
• Sum of proper divisors (its aliquot sum) s(n): 62653650
• 40530990 is an abundant number, because the sum of its proper divisors (62653650) is greater than itself. Its abundance is 22122660

Bases of 40530990

• Binary: 10011010100111010000101110₂
• Hexadecimal: 0x26A742E
• Base-36: O4PWU

Squares and roots of 40530990

• 40530990 squared (40530990²) is 1642761150380100
• 40530990 cubed (40530990³) is 66582735758444329299000
• The square root of 40530990 is 6366.3953694379
• The cube root of 40530990 is 343.5018422721

Scales and comparisons

• 40,530,990 seconds is equal to 1 year, 15 weeks, 2 hours, 36 minutes, 30 seconds.
• To count from 1 to 40,530,990 would take you about forty-eight 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 40530990 cubic inches would be around 28.6 feet tall.

Recreational maths with 40530990

• 40530990 backwards is 09903504
• 40530990 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40530990's digits is 30
• More coming soon!