12898690400

Names of 12898690400

• Cardinal: 12898690400 can be written as Twelve billion, eight hundred ninety-eight million, six hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 1.28986904 × 10¹⁰

Factors of 12898690400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9251

Divisors of 12898690400

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 2333 4666 6911 9332 11665 13822 18664 23330 27644 34555 37328 46660 55288 58325 69110 74656 93320 110576 116650 138220 172775 186640 221152 233300 276440 345550 373280 466600 552880 691100 933200 1105760 1382200 1866400 2764400 5528800 16123363 32246726 64493452 80616815 128986904 161233630 257973808 322467260 403084075 515947616 644934520 806168150 1289869040 1612336300 2579738080 3224672600 6449345200 12898690400
• Sum of all divisors σ(n): 31506983424
• Sum of proper divisors (its aliquot sum) s(n): 18608293024
• 12898690400 is an abundant number, because the sum of its proper divisors (18608293024) is greater than itself. Its abundance is 5709602624

Bases of 12898690400

• Binary: 1100000000110100100110010101100000₂
• Hexadecimal: 0x300D26560
• Base-36: 5XBJP7K

Squares and roots of 12898690400

• 12898690400 squared (12898690400²) is 166376214035052160000
• 12898690400 cubed (12898690400³) is 2146035274762272559691264000000
• The square root of 12898690400 is 113572.4015771437
• The cube root of 12898690400 is 2345.2107320589

Scales and comparisons

• 12,898,690,400 seconds is equal to 410 years, 7 weeks, 1 day, 9 hours, 33 minutes, 20 seconds.
• To count from 1 to 12,898,690,400 would take you about eight hundred twenty 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 12898690400 cubic inches would be around 195.4 feet tall.

Recreational maths with 12898690400

• 12898690400 backwards is 00409689821
• The number of decimal digits it has is: 11
• The sum of 12898690400's digits is 47
• More coming soon!