12666666672

Names of 12666666672

• Cardinal: 12666666672 can be written as Twelve billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.2666666672 × 10¹⁰

Factors of 12666666672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 61190

Divisors of 12666666672

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 131 132 144 176 198 262 264 393 396 524 528 786 792 1048 1179 1441 1572 1584 2096 2358 2882 3144 4323 4716 5764 6288 8646 9432 11528 12969 17292 18864 23056 25938 34584 51876 61043 69168 103752 122086 183129 207504 244172 366258 488344 549387 671473 732516 976688 1098774 1342946 1465032 2014419 2197548 2685892 2930064 4028838 4395096 5371784 6043257 7996633 8057676 8790192 10743568 12086514 15993266 16115352 23989899 24173028 31986532 32230704 47979798 48346056 63973064 71969697 87962963 95959596 96692112 127946128 143939394 175925926 191919192 263888889 287878788 351851852 383838384 527777778 575757576 703703704 791666667 1055555556 1151515152 1407407408 1583333334 2111111112 3166666668 4222222224 6333333336 12666666672
• Sum of all divisors σ(n): 38967559488
• Sum of proper divisors (its aliquot sum) s(n): 26300892816
• 12666666672 is an abundant number, because the sum of its proper divisors (26300892816) is greater than itself. Its abundance is 13634226144

Bases of 12666666672

• Binary: 1011110010111111011111111010110000₂
• Hexadecimal: 0x2F2FDFEB0
• Base-36: 5THEMK0

Squares and roots of 12666666672

• 12666666672 squared (12666666672²) is 160444444579555555584
• 12666666672 cubed (12666666672³) is 2032296298863407408488296296448
• The square root of 12666666672 is 112546.2867979215
• The cube root of 12666666672 is 2331.0635527207

Scales and comparisons

• 12,666,666,672 seconds is equal to 402 years, 39 weeks, 3 days, 22 hours, 31 minutes, 12 seconds.
• To count from 1 to 12,666,666,672 would take you about eight hundred 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 12666666672 cubic inches would be around 194.3 feet tall.

Recreational maths with 12666666672

• 12666666672 backwards is 27666666621
• The number of decimal digits it has is: 11
• The sum of 12666666672's digits is 54
• More coming soon!