12818112918

Names of 12818112918

• Cardinal: 12818112918 can be written as Twelve billion, eight hundred eighteen million, one hundred twelve thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 1.2818112918 × 10¹⁰

Factors of 12818112918

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 134

Divisors of 12818112918

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 13 19 26 38 39 57 78 97 114 169 194 247 291 338 361 494 507 582 722 741 1014 1083 1261 1482 1843 2166 2522 3211 3686 3783 4693 5529 6422 6859 7566 9386 9633 11058 13718 14079 16393 19266 20577 23959 28158 32786 35017 41154 47918 49179 61009 70034 71877 89167 98358 105051 122018 130321 143754 178334 183027 210102 260642 267501 311467 366054 390963 455221 535002 622934 665323 781926 910442 934401 1159171 1330646 1365663 1694173 1868802 1995969 2318342 2731326 3388346 3477513 3991938 5082519 5917873 6955026 8649199 10165038 11835746 12641137 17298398 17753619 22024249 25282274 25947597 35507238 37923411 44048498 51895194 66072747 75846822 112439587 132145494 164334781 224879174 328669562 337318761 493004343 674637522 986008686 2136352153 4272704306 6409056459 12818112918
• Sum of all divisors σ(n): 29604227688
• Sum of proper divisors (its aliquot sum) s(n): 16786114770
• 12818112918 is an abundant number, because the sum of its proper divisors (16786114770) is greater than itself. Its abundance is 3968001852

Bases of 12818112918

• Binary: 1011111100000001001110000110010110₂
• Hexadecimal: 0x2FC04E196
• Base-36: 5VZKN86

Squares and roots of 12818112918

• 12818112918 squared (12818112918²) is 164304018778598474724
• 12818112918 cubed (12818112918³) is 2106067465585267690794800884632
• The square root of 12818112918 is 113217.1052359137
• The cube root of 12818112918 is 2340.3170558043

Scales and comparisons

• 12,818,112,918 seconds is equal to 407 years, 29 weeks, 6 days, 18 hours, 55 minutes, 18 seconds.
• To count from 1 to 12,818,112,918 would take you about eight hundred fifteen 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 12818112918 cubic inches would be around 195 feet tall.

Recreational maths with 12818112918

• 12818112918 backwards is 81921181821
• The number of decimal digits it has is: 11
• The sum of 12818112918's digits is 42
• More coming soon!