12918245067

Names of 12918245067

• Cardinal: 12918245067 can be written as Twelve billion, nine hundred eighteen million, two hundred forty-five thousand and sixty-seven.

Scientific notation

• Scientific notation: 1.2918245067 × 10¹⁰

Factors of 12918245067

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3359

Divisors of 12918245067

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 13 21 23 27 39 63 69 81 91 117 161 189 207 273 299 351 483 529 567 621 819 897 1053 1449 1587 1863 2093 2457 2691 3313 3703 4347 4761 6279 6877 7371 8073 9939 11109 13041 14283 18837 20631 23191 24219 29817 33327 42849 43069 48139 56511 61893 69573 76199 89451 99981 129207 144417 169533 185679 208719 228597 268353 299943 301483 387621 433251 533393 557037 626157 685791 904449 990587 1162863 1299753 1600179 1752577 1878471 2057373 2713347 2971761 3488589 3899259 4800537 5257731 6172119 6934109 8140041 8915283 12268039 14401611 15773193 20802327 22783501 24420123 26745849 36804117 43204833 47319579 62406981 68350503 80237547 110412351 141958737 159484507 187220943 205051509 331237053 478453521 561662829 615154527 993711159 1435360563 1845463581 4306081689 12918245067
• Sum of all divisors σ(n): 24835964384
• Sum of proper divisors (its aliquot sum) s(n): 11917719317
• 12918245067 is a deficient number, because the sum of its proper divisors (11917719317) is less than itself. Its deficiency is 1000525750

Bases of 12918245067

• Binary: 1100000001111111001100011011001011₂
• Hexadecimal: 0x301FCC6CB
• Base-36: 5XN6TOR

Squares and roots of 12918245067

• 12918245067 squared (12918245067²) is 166881055611069834489
• 12918245067 cubed (12918245067³) is 2155810373423455559980030715763
• The square root of 12918245067 is 113658.4579650807
• The cube root of 12918245067 is 2346.3952621209

Scales and comparisons

• 12,918,245,067 seconds is equal to 410 years, 39 weeks, 3 days, 17 hours, 24 minutes, 27 seconds.
• To count from 1 to 12,918,245,067 would take you about eight hundred twenty-one 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 12918245067 cubic inches would be around 195.5 feet tall.

Recreational maths with 12918245067

• 12918245067 backwards is 76054281921
• The number of decimal digits it has is: 11
• The sum of 12918245067's digits is 45
• More coming soon!