13561249149

Names of 13561249149

• Cardinal: 13561249149 can be written as Thirteen billion, five hundred sixty-one million, two hundred forty-nine thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 1.3561249149 × 10¹⁰

Factors of 13561249149

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2143

Divisors of 13561249149

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 29 63 81 87 189 203 261 521 567 609 783 1563 1583 1827 2349 3647 4689 4749 5481 10941 11081 14067 14247 15109 16443 32823 33243 42201 42741 45327 45907 98469 99729 105763 128223 135981 137721 295407 299187 317289 321349 407943 413163 824743 897561 951867 964047 1223829 1239489 2474229 2855601 2892141 3718467 5773201 7422687 8566803 8676423 17319603 22268061 23917547 26029269 51958809 66804183 71752641 155876427 167422829 215257923 467629281 502268487 645773769 1506805461 1937321307 4520416383 13561249149
• Sum of all divisors σ(n): 24011665920
• Sum of proper divisors (its aliquot sum) s(n): 10450416771
• 13561249149 is a deficient number, because the sum of its proper divisors (10450416771) is less than itself. Its deficiency is 3110832378

Bases of 13561249149

• Binary: 1100101000010100000011110101111101₂
• Hexadecimal: 0x328503D7D
• Base-36: 68A0MT9

Squares and roots of 13561249149

• 13561249149 squared (13561249149²) is 183907478481253224201
• 13561249149 cubed (13561249149³) is 2494015136048631099149317454949
• The square root of 13561249149 is 116452.7764761321
• The cube root of 13561249149 is 2384.6971444085

Scales and comparisons

• 13,561,249,149 seconds is equal to 431 years, 10 weeks, 4 days, 21 hours, 39 minutes, 9 seconds.
• To count from 1 to 13,561,249,149 would take you about eight hundred sixty-two 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 13561249149 cubic inches would be around 198.7 feet tall.

Recreational maths with 13561249149

• 13561249149 backwards is 94194216531
• The number of decimal digits it has is: 11
• The sum of 13561249149's digits is 45
• More coming soon!