29929991868

Names of 29929991868

• Cardinal: 29929991868 can be written as Twenty-nine billion, nine hundred twenty-nine million, nine hundred ninety-one thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 2.9929991868 × 10¹⁰

Factors of 29929991868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 44522

Divisors of 29929991868

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 2851 5702 8553 11404 17106 19957 25659 34212 39914 41659 51318 59871 79828 83318 102636 119742 124977 166636 179613 239484 249954 291613 359226 374931 499908 583226 718452 749862 874839 1166452 1499724 1749678 2624517 3499356 5249034 10498068 118769809 237539618 356309427 475079236 712618854 831388663 1068928281 1425237708 1662777326 2137856562 2494165989 3325554652 4275713124 4988331978 7482497967 9976663956 14964995934 29929991868
• Sum of all divisors σ(n): 86496824960
• Sum of proper divisors (its aliquot sum) s(n): 56566833092
• 29929991868 is an abundant number, because the sum of its proper divisors (56566833092) is greater than itself. Its abundance is 26636841224

Bases of 29929991868

• Binary: 11011110111111101110110111010111100₂
• Hexadecimal: 0x6F7F76EBC
• Base-36: DQZJLJ0

Squares and roots of 29929991868

• 29929991868 squared (29929991868²) is 895804413218546129424
• 29929991868 cubed (29929991868³) is 26811418802949597360443195524032
• The square root of 29929991868 is 173002.8666467697
• The cube root of 29929991868 is 3104.8136062427

Scales and comparisons

• 29,929,991,868 seconds is equal to 951 years, 35 weeks, 2 days, 22 hours, 37 minutes, 48 seconds.
• To count from 1 to 29,929,991,868 would take you about one thousand, nine hundred 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 29929991868 cubic inches would be around 258.7 feet tall.

Recreational maths with 29929991868

• 29929991868 backwards is 86819992992
• The number of decimal digits it has is: 11
• The sum of 29929991868's digits is 72
• More coming soon!