420073832728

Names of 420073832728

• Cardinal: 420073832728 can be written as Four hundred twenty billion, seventy-three million, eight hundred thirty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20073832728 × 10¹¹

Factors of 420073832728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 584

Divisors of 420073832728

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 22 44 88 121 242 484 571 968 1142 1331 2284 2662 4568 5324 6281 10648 12562 14641 25124 29282 50248 58564 69091 117128 138182 161051 276364 322102 326041 552728 644204 652082 760001 1288408 1304164 1520002 2608328 3040004 3586451 6080008 7172902 8360011 14345804 16720022 28691608 33440044 39450961 66880088 78901922 91960121 157803844 183920242 315607688 367840484 433960571 735680968 867921142 1735842284 3471684568 4773566281 9547132562 19094265124 38188530248 52509229091 105018458182 210036916364 420073832728
• Sum of all divisors σ(n): 867921789420
• Sum of proper divisors (its aliquot sum) s(n): 447847956692
• 420073832728 is an abundant number, because the sum of its proper divisors (447847956692) is greater than itself. Its abundance is 27774123964

Bases of 420073832728

• Binary: 110000111001110010110100000000100011000₂
• Hexadecimal: 0x61CE5A0118
• Base-36: 5CZ943RS

Squares and roots of 420073832728

• 420073832728 squared (420073832728²) is 176462024942791723921984
• 420073832728 cubed (420073832728³) is 74127079148662454404146262937892352
• The square root of 420073832728 is 648131.0305239211
• The cube root of 420073832728 is 7489.3111899813

Scales and comparisons

• 420,073,832,728 seconds is equal to 13,357 years, 2 weeks, 3 days, 15 hours, 45 minutes, 28 seconds.
• To count from 1 to 420,073,832,728 would take you about twenty-six thousand, seven hundred fourteen 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 420073832728 cubic inches would be around 624.1 feet tall.

Recreational maths with 420073832728

• 420073832728 backwards is 827238370024
• The number of decimal digits it has is: 12
• The sum of 420073832728's digits is 46
• More coming soon!