13585128128

Names of 13585128128

• Cardinal: 13585128128 can be written as Thirteen billion, five hundred eighty-five million, one hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3585128128 × 10¹⁰

Factors of 13585128128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 87360

Divisors of 13585128128

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 11 13 16 17 22 26 32 34 44 52 64 68 88 104 136 143 176 187 208 221 272 286 352 374 416 442 544 572 704 748 832 884 1088 1144 1496 1768 2288 2431 2992 3536 4576 4862 5984 7072 9152 9724 11968 14144 19448 38896 77792 87317 155584 174634 349268 698536 960487 1135121 1397072 1484389 1920974 2270242 2794144 2968778 3841948 4540484 5588288 5937556 7683896 9080968 11875112 12486331 15367792 16328279 18161936 19297057 23750224 24972662 30735584 32656558 36323872 38594114 47500448 49945324 61471168 65313116 72647744 77188228 95000896 99890648 130626232 154376456 199781296 212267627 261252464 308752912 399562592 424535254 522504928 617505824 799125184 849070508 1045009856 1235011648 1698141016 3396282032 6792564064 13585128128
• Sum of all divisors σ(n): 33534303264
• Sum of proper divisors (its aliquot sum) s(n): 19949175136
• 13585128128 is an abundant number, because the sum of its proper divisors (19949175136) is greater than itself. Its abundance is 6364047008

Bases of 13585128128

• Binary: 1100101001101111001001101011000000₂
• Hexadecimal: 0x329BC9AC0
• Base-36: 68O8FY8

Squares and roots of 13585128128

• 13585128128 squared (13585128128²) is 184555706254176784384
• 13585128128 cubed (13585128128³) is 2507212916216522551019669553152
• The square root of 13585128128 is 116555.2578307817
• The cube root of 13585128128 is 2386.0960013573

Scales and comparisons

• 13,585,128,128 seconds is equal to 431 years, 50 weeks, 1 day, 6 hours, 42 minutes, 8 seconds.
• To count from 1 to 13,585,128,128 would take you about eight hundred sixty-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 13585128128 cubic inches would be around 198.8 feet tall.

Recreational maths with 13585128128

• 13585128128 backwards is 82182158531
• 13585128128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13585128128's digits is 44
• More coming soon!