401442972

Names of 401442972

• Cardinal: 401442972 can be written as Four hundred one million, four hundred forty-two thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 4.01442972 × 10⁸

Factors of 401442972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2896

Divisors of 401442972

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 41 42 82 84 123 164 246 287 492 574 861 1148 1681 1722 2843 3362 3444 5043 5686 6724 8529 10086 11372 11767 17058 19901 20172 23534 34116 35301 39802 47068 59703 70602 79604 116563 119406 141204 233126 238812 349689 466252 699378 815941 1398756 1631882 2447823 3263764 4779083 4895646 9558166 9791292 14337249 19116332 28674498 33453581 57348996 66907162 100360743 133814324 200721486 401442972
• Sum of all divisors σ(n): 1097647488
• Sum of proper divisors (its aliquot sum) s(n): 696204516
• 401442972 is an abundant number, because the sum of its proper divisors (696204516) is greater than itself. Its abundance is 294761544

Bases of 401442972

• Binary: 10111111011011000100010011100₂
• Hexadecimal: 0x17ED889C
• Base-36: 6N0BDO

Squares and roots of 401442972

• 401442972 squared (401442972²) is 161156459768192784
• 401442972 cubed (401442972³) is 64695128166341742277914048
• The square root of 401442972 is 20036.0418246719
• The cube root of 401442972 is 737.6912288563

Scales and comparisons

• 401,442,972 seconds is equal to 12 years, 39 weeks, 5 days, 7 hours, 56 minutes, 12 seconds.
• To count from 1 to 401,442,972 would take you about nineteen years!

  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 401442972 cubic inches would be around 61.5 feet tall.

Recreational maths with 401442972

• 401442972 backwards is 279244104
• The number of decimal digits it has is: 9
• The sum of 401442972's digits is 33
• More coming soon!