13128712443

Names of 13128712443

• Cardinal: 13128712443 can be written as Thirteen billion, one hundred twenty-eight million, seven hundred twelve thousand, four hundred forty-three.

Scientific notation

• Scientific notation: 1.3128712443 × 10¹⁰

Factors of 13128712443

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 29153

Divisors of 13128712443

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 21 27 31 33 49 63 77 93 99 147 189 217 231 279 297 341 441 539 651 693 837 1023 1323 1519 1617 1953 2079 2387 3069 4557 4851 5859 7161 9207 13671 14553 16709 21483 29101 41013 50127 64449 87303 150381 203707 261909 320111 451143 611121 785727 902131 960333 1425949 1833363 2240777 2706393 2880999 4277847 5500089 6314917 6722331 8119179 8642997 9923441 12833541 15685439 18944751 20166993 24357537 29770323 38500623 44204419 47056317 56834253 60500979 69464087 89310969 132613257 141168951 170502759 208392261 267932907 397839771 423506853 486248609 625176783 1193519313 1458745827 1875530349 4376237481 13128712443
• Sum of all divisors σ(n): 25479383040
• Sum of proper divisors (its aliquot sum) s(n): 12350670597
• 13128712443 is a deficient number, because the sum of its proper divisors (12350670597) is less than itself. Its deficiency is 778041846

Bases of 13128712443

• Binary: 1100001110100010000100000011111011₂
• Hexadecimal: 0x30E8840FB
• Base-36: 614HVCR

Squares and roots of 13128712443

• 13128712443 squared (13128712443²) is 172363090410983028249
• 13128712443 cubed (13128712443³) is 2262905449792606866834466802307
• The square root of 13128712443 is 114580.5936579139
• The cube root of 13128712443 is 2359.0693713511

Scales and comparisons

• 13,128,712,443 seconds is equal to 417 years, 23 weeks, 3 days, 16 hours, 34 minutes, 3 seconds.
• To count from 1 to 13,128,712,443 would take you about eight hundred thirty-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 13128712443 cubic inches would be around 196.6 feet tall.

Recreational maths with 13128712443

• 13128712443 backwards is 34421782131
• The number of decimal digits it has is: 11
• The sum of 13128712443's digits is 36
• More coming soon!