21801842008442436

Names of 21801842008442436

• Cardinal: 21801842008442436 can be written as Twenty-one quadrillion, eight hundred one trillion, eight hundred forty-two billion, eight million, four hundred forty-two thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 2.1801842008442436 × 10¹⁶

Factors of 21801842008442436

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 44563766542

Divisors of 21801842008442436

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 59 118 177 236 354 691 708 1382 2073 2764 4146 8292 40769 81538 122307 163076 244614 489228 44563765787 89127531574 133691297361 178255063148 267382594722 534765189444 2629262181433 5258524362866 7887786544299 10517048725732 15775573088598 30793562158817 31551146177196 61587124317634 92380686476451 123174248635268 184761372952902 369522745905804 1816820167370203 3633640334740406 5450460502110609 7267280669480812 10900921004221218 21801842008442436
• Sum of all divisors σ(n): 51808051554497280
• Sum of proper divisors (its aliquot sum) s(n): 30006209546054844
• 21801842008442436 is an abundant number, because the sum of its proper divisors (30006209546054844) is greater than itself. Its abundance is 8204367537612408

Bases of 21801842008442436

• Binary: 1001101011101001010100011101000010111001100011001000100₂
• Hexadecimal: 0x4D74A8E85CC644
• Base-36: 5YO3VY8Y3IC

Squares and roots of 21801842008442436

• 21801842008442436 squared (21801842008442436²) is 475320314961085311605498725614096
• 21801842008442436 cubed (21801842008442436³) is 10362858410184679450702654780809354203910566177856
• The square root of 21801842008442436 is 147654468.2982619257
• The cube root of 21801842008442436 is 279360.1119336285

Scales and comparisons

• 21,801,842,008,442,436 seconds is equal to 693,231,138 years, 17 weeks, 5 days, 23 hours, 20 minutes, 36 seconds.
• To count from 1 to 21,801,842,008,442,436 would take you about two billion, seventy-nine million, six hundred ninety-three thousand, four hundred fifteen 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 21801842008442436 cubic inches would be around 23280 feet tall.

Recreational maths with 21801842008442436

• 21801842008442436 backwards is 63424480024810812
• The number of decimal digits it has is: 17
• The sum of 21801842008442436's digits is 57
• More coming soon!