42100128

Names of 42100128

• Cardinal: 42100128 can be written as Forty-two million, one hundred thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2100128 × 10⁷

Factors of 42100128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6973

Divisors of 42100128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 6961 13922 20883 27844 41766 48727 55688 62649 83532 97454 111376 125298 146181 167064 187947 194908 222752 250596 292362 334128 375894 389816 438543 501192 584724 668256 751788 779632 877086 1002384 1169448 1315629 1503576 1559264 1754172 2004768 2338896 2631258 3007152 3508344 4677792 5262516 6014304 7016688 10525032 14033376 21050064 42100128
• Sum of all divisors σ(n): 140353920
• Sum of proper divisors (its aliquot sum) s(n): 98253792
• 42100128 is an abundant number, because the sum of its proper divisors (98253792) is greater than itself. Its abundance is 56153664

Bases of 42100128

• Binary: 10100000100110010110100000₂
• Hexadecimal: 0x28265A0
• Base-36: P2CO0

Squares and roots of 42100128

• 42100128 squared (42100128²) is 1772420777616384
• 42100128 cubed (42100128³) is 74619141607509301297152
• The square root of 42100128 is 6488.4611426747
• The cube root of 42100128 is 347.8786735203

Scales and comparisons

• 42,100,128 seconds is equal to 1 year, 17 weeks, 4 days, 6 hours, 28 minutes, 48 seconds.
• To count from 1 to 42,100,128 would take you about two 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 42100128 cubic inches would be around 29 feet tall.

Recreational maths with 42100128

• 42100128 backwards is 82100124
• 42100128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 42100128's digits is 18
• More coming soon!