13591123821

Names of 13591123821

• Cardinal: 13591123821 can be written as Thirteen billion, five hundred ninety-one million, one hundred twenty-three thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.3591123821 × 10¹⁰

Factors of 13591123821

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1300

Divisors of 13591123821

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 23 33 43 69 99 127 129 207 253 381 387 473 759 989 1093 1143 1397 1419 2277 2921 2967 3279 4191 4257 5461 8763 8901 9837 10879 12023 12573 16383 25139 26289 32131 32637 36069 46999 49149 60071 75417 96393 97911 108207 125603 138811 140997 180213 226251 276529 289179 376809 416433 422991 516989 540639 829587 1080977 1130427 1249299 1381633 1526921 1550967 2488761 3192653 3242931 4144899 4580763 4652901 5968873 9577959 9728793 11890747 12434697 13742289 17906619 28733877 35119183 35672241 53719857 65657603 105357549 107016723 137284079 196972809 316072647 411852237 590918427 1235556711 1510124869 4530374607 13591123821
• Sum of all divisors σ(n): 23068311552
• Sum of proper divisors (its aliquot sum) s(n): 9477187731
• 13591123821 is a deficient number, because the sum of its proper divisors (9477187731) is less than itself. Its deficiency is 4113936090

Bases of 13591123821

• Binary: 1100101010000110000001011101101101₂
• Hexadecimal: 0x32A18176D
• Base-36: 68RSY99

Squares and roots of 13591123821

• 13591123821 squared (13591123821²) is 184718646717753640041
• 13591123821 cubed (13591123821³) is 2510533999588544960770694516661
• The square root of 13591123821 is 116580.9753819207
• The cube root of 13591123821 is 2386.4469781709

Scales and comparisons

• 13,591,123,821 seconds is equal to 432 years, 8 weeks, 16 hours, 10 minutes, 21 seconds.
• To count from 1 to 13,591,123,821 would take you about eight hundred sixty-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 13591123821 cubic inches would be around 198.9 feet tall.

Recreational maths with 13591123821

• 13591123821 backwards is 12832119531
• The number of decimal digits it has is: 11
• The sum of 13591123821's digits is 36
• More coming soon!