213830138648

Names of 213830138648

• Cardinal: 213830138648 can be written as Two hundred thirteen billion, eight hundred thirty million, one hundred thirty-eight thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.13830138648 × 10¹¹

Factors of 213830138648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 25644

Divisors of 213830138648

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 6421 12842 19183 25684 38366 44947 51368 76732 89894 134281 153464 179788 199051 268562 359576 398102 537124 594673 796204 1074248 1189346 1393357 1592408 2378692 2786714 4162711 4757384 5573428 8325422 11146856 16650844 33301688 123174043 246348086 492696172 862218301 985392344 1724436602 3448873204 3818395333 6897746408 7636790666 15273581332 26728767331 30547162664 53457534662 106915069324 213830138648
• Sum of all divisors σ(n): 473086648320
• Sum of proper divisors (its aliquot sum) s(n): 259256509672
• 213830138648 is an abundant number, because the sum of its proper divisors (259256509672) is greater than itself. Its abundance is 45426371024

Bases of 213830138648

• Binary: 11000111001001010001001111101100011000₂
• Hexadecimal: 0x31C944FB18
• Base-36: 2Q8CXYXK

Squares and roots of 213830138648

• 213830138648 squared (213830138648²) is 45723328194222903267904
• 213830138648 cubed (213830138648³) is 9777025607218690878393004608353792
• The square root of 213830138648 is 462417.7101366253
• The cube root of 213830138648 is 5979.8410364041

Scales and comparisons

• 213,830,138,648 seconds is equal to 6,799 years, 7 weeks, 20 hours, 44 minutes, 8 seconds.
• To count from 1 to 213,830,138,648 would take you about thirteen thousand, five hundred ninety-eight 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 213830138648 cubic inches would be around 498.3 feet tall.

Recreational maths with 213830138648

• 213830138648 backwards is 846831038312
• The number of decimal digits it has is: 12
• The sum of 213830138648's digits is 47
• More coming soon!