1312235820

Names of 1312235820

• Cardinal: 1312235820 can be written as One billion, three hundred twelve million, two hundred thirty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.31223582 × 10⁹

Factors of 1312235820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13279

Divisors of 1312235820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 79 84 90 105 126 140 158 180 210 237 252 315 316 395 420 474 553 630 711 790 948 1106 1185 1260 1422 1580 1659 2212 2370 2765 2844 3318 3555 4740 4977 5530 6636 7110 8295 9954 11060 13183 14220 16590 19908 24885 26366 33180 39549 49770 52732 65915 79098 92281 99540 118647 131830 158196 184562 197745 237294 263660 276843 369124 395490 461405 474588 553686 593235 790980 830529 922810 1041457 1107372 1186470 1384215 1661058 1845620 2082914 2372940 2768430 3124371 3322116 4152645 4165828 5207285 5536860 6248742 7290199 8305290 9373113 10414570 12497484 14580398 15621855 16610580 18746226 20829140 21870597 29160796 31243710 36450995 37492452 43741194 46865565 62487420 65611791 72901990 87482388 93731130 109352985 131223582 145803980 187462260 218705970 262447164 328058955 437411940 656117910 1312235820
• Sum of all divisors σ(n): 4607016960
• Sum of proper divisors (its aliquot sum) s(n): 3294781140
• 1312235820 is an abundant number, because the sum of its proper divisors (3294781140) is greater than itself. Its abundance is 1982545320

Bases of 1312235820

• Binary: 1001110001101110010000100101100₂
• Hexadecimal: 0x4E37212C
• Base-36: LP9RN0

Squares and roots of 1312235820

• 1312235820 squared (1312235820²) is 1721962847291072400
• 1312235820 cubed (1312235820³) is 2259621328924535169493368000
• The square root of 1312235820 is 36224.7956515977
• The cube root of 1312235820 is 1094.8063209085

Scales and comparisons

• 1,312,235,820 seconds is equal to 41 years, 37 weeks, 4 days, 21 hours, 57 minutes.
• To count from 1 to 1,312,235,820 would take you about eighty-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 1312235820 cubic inches would be around 91.2 feet tall.

Recreational maths with 1312235820

• 1312235820 backwards is 0285322131
• The number of decimal digits it has is: 10
• The sum of 1312235820's digits is 27
• More coming soon!