13438940625

Names of 13438940625

• Cardinal: 13438940625 can be written as Thirteen billion, four hundred thirty-eight million, nine hundred forty thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.3438940625 × 10¹⁰

Factors of 13438940625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 378

Divisors of 13438940625

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 11 15 25 33 45 55 75 99 121 125 165 225 275 359 363 375 495 605 625 825 1077 1089 1125 1331 1375 1795 1815 1875 2475 3025 3125 3231 3949 3993 4125 5385 5445 5625 6655 6875 8975 9075 9375 11847 11979 12375 15125 16155 19745 19965 20625 26925 27225 28125 33275 34375 35541 43439 44875 45375 59235 59895 61875 75625 80775 98725 99825 103125 130317 134625 136125 166375 177705 217195 224375 226875 296175 299475 309375 378125 390951 403875 477829 493625 499125 651585 673125 680625 831875 888525 1085975 1121875 1134375 1433487 1480875 1497375 1954755 2019375 2389145 2468125 2495625 3257925 3365625 3403125 4159375 4300461 4442625 5429875 7167435 7404375 7486875 9773775 10096875 11945725 12340625 12478125 16289625 21502305 22213125 27149375 35837175 37021875 37434375 48868875 59728625 81448125 107511525 111065625 135746875 179185875 244344375 298643125 407240625 537557625 895929375 1221721875 1493215625 2687788125 4479646875 13438940625
• Sum of all divisors σ(n): 26762037120
• Sum of proper divisors (its aliquot sum) s(n): 13323096495
• 13438940625 is a deficient number, because the sum of its proper divisors (13323096495) is less than itself. Its deficiency is 115844130

Bases of 13438940625

• Binary: 1100100001000001011111010111010001₂
• Hexadecimal: 0x32105F5D1
• Base-36: 66974Y9

Squares and roots of 13438940625

• 13438940625 squared (13438940625²) is 180605125122275390625
• 13438940625 cubed (13438940625³) is 2427141553088954839508056640625
• The square root of 13438940625 is 115926.4448907151
• The cube root of 13438940625 is 2377.5063107901

Scales and comparisons

• 13,438,940,625 seconds is equal to 427 years, 16 weeks, 3 days, 7 hours, 3 minutes, 45 seconds.
• To count from 1 to 13,438,940,625 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 13438940625 cubic inches would be around 198.1 feet tall.

Recreational maths with 13438940625

• 13438940625 backwards is 52604983431
• 13438940625 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13438940625's digits is 45
• More coming soon!