13638724488

Names of 13638724488

• Cardinal: 13638724488 can be written as Thirteen billion, six hundred thirty-eight million, seven hundred twenty-four thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.3638724488 × 10¹⁰

Factors of 13638724488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1829

Divisors of 13638724488

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 197 216 394 591 788 1182 1576 1627 1773 2364 3254 3546 4728 4881 5319 6508 7092 9762 10638 13016 14184 14643 19524 21276 29286 38809 39048 42552 43929 58572 77618 87858 116427 117144 155236 175716 232854 310472 320519 349281 351432 465708 641038 698562 931416 961557 1047843 1282076 1397124 1923114 2095686 2564152 2794248 2884671 3846228 4191372 5769342 7692456 8382744 8654013 11538684 17308026 23077368 34616052 63142243 69232104 126284486 189426729 252568972 378853458 505137944 568280187 757706916 1136560374 1515413832 1704840561 2273120748 3409681122 4546241496 6819362244 13638724488
• Sum of all divisors σ(n): 38102037600
• Sum of proper divisors (its aliquot sum) s(n): 24463313112
• 13638724488 is an abundant number, because the sum of its proper divisors (24463313112) is greater than itself. Its abundance is 10824588624

Bases of 13638724488

• Binary: 1100101100111011100110101110001000₂
• Hexadecimal: 0x32CEE6B88
• Base-36: 69K5760

Squares and roots of 13638724488

• 13638724488 squared (13638724488²) is 186014805659570862144
• 13638724488 cubed (13638724488³) is 2537004685079750109094644982272
• The square root of 13638724488 is 116784.9497495289
• The cube root of 13638724488 is 2389.2297774261

Scales and comparisons

• 13,638,724,488 seconds is equal to 433 years, 34 weeks, 5 days, 14 hours, 34 minutes, 48 seconds.
• To count from 1 to 13,638,724,488 would take you about eight hundred sixty-seven 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 13638724488 cubic inches would be around 199.1 feet tall.

Recreational maths with 13638724488

• 13638724488 backwards is 88442783631
• 13638724488 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13638724488's digits is 54
• More coming soon!