421945042816

Names of 421945042816

• Cardinal: 421945042816 can be written as Four hundred twenty-one billion, nine hundred forty-five million, forty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 4.21945042816 × 10¹¹

Factors of 421945042816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 859035

Divisors of 421945042816

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 128 176 349 352 698 704 1396 1408 2792 3839 5584 7678 11168 15356 22336 30712 44672 61424 122848 245696 491392 858673 1717346 3434692 6869384 9445403 13738768 18890806 27477536 37781612 54955072 75563224 109910144 151126448 299676877 302252896 599353754 604505792 1198707508 1209011584 2397415016 3296445647 4794830032 6592891294 9589660064 13185782588 19179320128 26371565176 38358640256 52743130352 105486260704 210972521408 421945042816
• Sum of all divisors σ(n): 919639854000
• Sum of proper divisors (its aliquot sum) s(n): 497694811184
• 421945042816 is an abundant number, because the sum of its proper divisors (497694811184) is greater than itself. Its abundance is 75749768368

Bases of 421945042816

• Binary: 110001000111101111000100110011110000000₂
• Hexadecimal: 0x623DE26780
• Base-36: 5DU76MPS

Squares and roots of 421945042816

• 421945042816 squared (421945042816²) is 178037619156996073209856
• 421945042816 cubed (421945042816³) is 75122090838057409936476560473194496
• The square root of 421945042816 is 649572.9695854039
• The cube root of 421945042816 is 7500.4150455705

Scales and comparisons

• 421,945,042,816 seconds is equal to 13,416 years, 28 weeks, 3 days, 4 hours, 20 minutes, 16 seconds.
• To count from 1 to 421,945,042,816 would take you about twenty-six thousand, eight hundred thirty-three 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 421945042816 cubic inches would be around 625 feet tall.

Recreational maths with 421945042816

• 421945042816 backwards is 618240549124
• The number of decimal digits it has is: 12
• The sum of 421945042816's digits is 46
• More coming soon!