12979915388

Names of 12979915388

• Cardinal: 12979915388 can be written as Twelve billion, nine hundred seventy-nine million, nine hundred fifteen thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2979915388 × 10¹⁰

Factors of 12979915388

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 411

Divisors of 12979915388

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 22 31 37 44 62 74 103 121 124 148 206 227 242 341 407 412 454 484 682 814 908 1133 1147 1364 1628 2266 2294 2497 3193 3751 3811 4477 4532 4588 4994 6386 7037 7502 7622 8399 8954 9988 12463 12617 12772 14074 15004 15244 16798 17908 23381 24926 25234 27467 28148 33596 35123 41921 46762 49852 50468 54934 70246 77407 83842 92389 93524 109868 118141 138787 140492 154814 167684 184778 236282 257191 260369 277574 309628 369556 386353 461131 472564 514382 520738 555148 724811 772706 851477 865097 922262 1016279 1028764 1041476 1299551 1449622 1545412 1702954 1730194 1844524 2032558 2599102 2829101 2864059 2899244 3405908 3460388 4065116 5198204 5658202 5728118 7972921 9516067 11316404 11456236 14295061 15945842 19032134 26818007 28590122 31504649 31891684 38064268 53636014 57180244 63009298 87702131 104676737 107272028 126018596 175404262 209353474 294998077 350808524 418706948 589996154 1179992308 3244978847 6489957694 12979915388
• Sum of all divisors σ(n): 26844260352
• Sum of proper divisors (its aliquot sum) s(n): 13864344964
• 12979915388 is an abundant number, because the sum of its proper divisors (13864344964) is greater than itself. Its abundance is 884429576

Bases of 12979915388

• Binary: 1100000101101010011100101001111100₂
• Hexadecimal: 0x305A9CA7C
• Base-36: 5YNWMT8

Squares and roots of 12979915388

• 12979915388 squared (12979915388²) is 168478203479639190544
• 12979915388 cubed (12979915388³) is 2186832825887963874029929691072
• The square root of 12979915388 is 113929.4316144867
• The cube root of 12979915388 is 2350.1231496049

Scales and comparisons

• 12,979,915,388 seconds is equal to 412 years, 37 weeks, 3 days, 12 hours, 3 minutes, 8 seconds.
• To count from 1 to 12,979,915,388 would take you about eight hundred twenty-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 12979915388 cubic inches would be around 195.8 feet tall.

Recreational maths with 12979915388

• 12979915388 backwards is 88351997921
• 12979915388 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12979915388's digits is 62
• More coming soon!