13437491872

Names of 13437491872

• Cardinal: 13437491872 can be written as Thirteen billion, four hundred thirty-seven million, four hundred ninety-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.3437491872 × 10¹⁰

Factors of 13437491872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3904

Divisors of 13437491872

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 37 49 56 61 74 98 112 122 148 196 224 244 259 296 392 427 488 518 592 784 854 976 1036 1184 1568 1708 1813 1952 2072 2257 2989 3416 3626 3797 4144 4514 5978 6832 7252 7594 8288 9028 11956 13664 14504 15188 15799 18056 23912 26579 29008 30376 31598 36112 47824 53158 58016 60752 63196 72224 95648 106316 110593 121504 126392 140489 186053 212632 221186 231617 252784 280978 372106 425264 442372 463234 505568 561956 744212 850528 884744 926468 983423 1123912 1488424 1621319 1769488 1852936 1966846 2247824 2976848 3242638 3538976 3705872 3933692 4495648 5953696 6485276 6883961 7411744 7867384 8569829 11349233 12970552 13767922 15734768 17139658 22698466 25941104 27535844 31469536 34279316 45396932 51882208 55071688 59988803 68558632 90793864 110143376 119977606 137117264 181587728 220286752 239955212 274234528 363175456 419921621 479910424 839843242 959820848 1679686484 1919641696 3359372968 6718745936 13437491872
• Sum of all divisors σ(n): 32132584008
• Sum of proper divisors (its aliquot sum) s(n): 18695092136
• 13437491872 is an abundant number, because the sum of its proper divisors (18695092136) is greater than itself. Its abundance is 5257600264

Bases of 13437491872

• Binary: 1100100000111011111101101010100000₂
• Hexadecimal: 0x320EFDAA0
• Base-36: 668C334

Squares and roots of 13437491872

• 13437491872 squared (13437491872²) is 180566187810066064384
• 13437491872 cubed (13437491872³) is 2426356681055788219943028686848
• The square root of 13437491872 is 115920.1961350999
• The cube root of 13437491872 is 2377.4208739173

Scales and comparisons

• 13,437,491,872 seconds is equal to 427 years, 14 weeks, 12 hours, 37 minutes, 52 seconds.
• To count from 1 to 13,437,491,872 would take you about eight hundred fifty-four 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 13437491872 cubic inches would be around 198.1 feet tall.

Recreational maths with 13437491872

• 13437491872 backwards is 27819473431
• 13437491872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13437491872's digits is 49
• More coming soon!