13297811618

Names of 13297811618

• Cardinal: 13297811618 can be written as Thirteen billion, two hundred ninety-seven million, eight hundred eleven thousand, six hundred eighteen.

Scientific notation

• Scientific notation: 1.3297811618 × 10¹⁰

Factors of 13297811618

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 131

Divisors of 13297811618

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 13 14 19 26 37 38 53 74 91 106 133 182 247 259 266 371 481 494 518 689 703 742 962 1007 1369 1378 1406 1729 1961 2014 2738 2809 3367 3458 3922 4823 4921 5618 6734 7049 9139 9583 9646 9842 13091 13727 14098 17797 18278 19166 19663 25493 26011 26182 27454 35594 36517 37259 39326 50986 52022 53371 63973 72557 73034 74518 91637 103933 106742 124579 127946 145114 178451 182077 183274 207866 249158 255619 260813 338143 356902 364154 373597 484367 507899 511238 521626 676286 693823 727531 747194 943241 968734 1015798 1351129 1378583 1387646 1455062 1886482 1974727 2367001 2702258 2757166 3390569 3845521 3949454 4734002 4856761 6602687 6781138 7691042 9457903 9650081 9713522 13205374 13823089 17921579 18915806 19300162 25671451 26918647 27646178 35843158 49991773 51342902 53837294 73064899 99983546 125451053 146129798 179700157 250902106 349942411 359400314 511454293 699884822 949843687 1022908586 1899687374 6648905809 13297811618
• Sum of all divisors σ(n): 27069779520
• Sum of proper divisors (its aliquot sum) s(n): 13771967902
• 13297811618 is an abundant number, because the sum of its proper divisors (13771967902) is greater than itself. Its abundance is 474156284

Bases of 13297811618

• Binary: 1100011000100111001000000010100010₂
• Hexadecimal: 0x3189C80A2
• Base-36: 63X6942

Squares and roots of 13297811618

• 13297811618 squared (13297811618²) is 176831793827815777924
• 13297811618 cubed (13297811618³) is 2351475882395309343241475121032
• The square root of 13297811618 is 115316.1377171469
• The cube root of 13297811618 is 2369.1545476717

Scales and comparisons

• 13,297,811,618 seconds is equal to 422 years, 43 weeks, 20 hours, 33 minutes, 38 seconds.
• To count from 1 to 13,297,811,618 would take you about eight hundred forty-five 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 13297811618 cubic inches would be around 197.4 feet tall.

Recreational maths with 13297811618

• 13297811618 backwards is 81611879231
• The number of decimal digits it has is: 11
• The sum of 13297811618's digits is 47
• More coming soon!