420021636125

Names of 420021636125

• Cardinal: 420021636125 can be written as Four hundred twenty billion, twenty-one million, six hundred thirty-six thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 4.20021636125 × 10¹¹

Factors of 420021636125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 25

Divisors of 420021636125

• Number of divisors d(n): 140
• Complete list of divisors:
  1 5 7 13 25 35 49 65 91 125 169 175 245 325 343 455 637 845 875 1183 1225 1625 1715 2197 2275 2401 3185 4225 4459 5915 6125 8281 8575 10985 11375 12005 15379 15925 16807 21125 22295 28561 29575 31213 41405 42875 54925 57967 60025 76895 79625 84035 107653 111475 117649 142805 147875 156065 199927 207025 218491 274625 289835 300125 384475 405769 420175 538265 557375 588245 714025 753571 780325 999635 1035125 1092455 1399489 1449175 1529437 1922375 2028845 2100875 2691325 2840383 2941225 3570125 3767855 3901625 4998175 5274997 5462275 6997445 7245875 7647185 9796423 10144225 13456625 14201915 14706125 18839275 19882681 24990875 26374985 27311375 34987225 36924979 38235925 48982115 50721125 68574961 71009575 94196375 99413405 131874925 174936125 184624895 191179625 244910575 258474853 342874805 355047875 480024727 497067025 659374625 923124475 1224552875 1292374265 1714374025 2400123635 2485335125 3360173089 4615622375 6461871325 8571870125 12000618175 16800865445 32309356625 60003090875 84004327225 420021636125
• Sum of all divisors σ(n): 662511538572
• Sum of proper divisors (its aliquot sum) s(n): 242489902447
• 420021636125 is a deficient number, because the sum of its proper divisors (242489902447) is less than itself. Its deficiency is 177531733678

Bases of 420021636125

• Binary: 110000111001011001111011000110000011101₂
• Hexadecimal: 0x61CB3D8C1D
• Base-36: 5CYE1CM5

Squares and roots of 420021636125

• 420021636125 squared (420021636125²) is 176418174813121905015625
• 420021636125 cubed (420021636125³) is 74099450427193728663739656189453125
• The square root of 420021636125 is 648090.7622586515
• The cube root of 420021636125 is 7489.0009803905

Scales and comparisons

• 420,021,636,125 seconds is equal to 13,355 years, 20 weeks, 1 day, 12 hours, 42 minutes, 5 seconds.
• To count from 1 to 420,021,636,125 would take you about twenty-six thousand, seven hundred ten 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 420021636125 cubic inches would be around 624.1 feet tall.

Recreational maths with 420021636125

• 420021636125 backwards is 521636120024
• The number of decimal digits it has is: 12
• The sum of 420021636125's digits is 32
• More coming soon!