12997968438

Names of 12997968438

• Cardinal: 12997968438 can be written as Twelve billion, nine hundred ninety-seven million, nine hundred sixty-eight thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2997968438 × 10¹⁰

Factors of 12997968438

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2636

Divisors of 12997968438

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 42 49 57 71 78 91 98 114 133 142 147 182 213 247 266 273 294 399 426 494 497 546 637 741 798 923 931 994 1274 1349 1482 1491 1729 1846 1862 1911 2521 2698 2769 2793 2982 3458 3479 3822 4047 5042 5187 5538 5586 6461 6958 7563 8094 9443 10374 10437 12103 12922 15126 17537 17647 18886 19383 20874 24206 28329 32773 35074 35294 36309 38766 45227 47899 52611 52941 56658 65546 66101 72618 90454 95798 98319 105222 105882 122759 123529 132202 135681 143697 178991 196638 198303 229411 245518 247058 271362 287394 335293 357982 368277 370587 396606 458822 536973 622687 670586 688233 736554 741174 859313 1005879 1073946 1245374 1252937 1376466 1605877 1718626 1868061 2011758 2326883 2347051 2505874 2577939 3211754 3400829 3736122 3758811 4358809 4653766 4694102 4817631 5155878 6801658 6980649 7041153 7517622 8717618 8770559 9635262 10202487 13076427 13961298 14082306 16288181 17541118 20404974 23805803 26152854 26311677 30511663 32576362 44210777 47611606 48864543 52623354 61023326 71417409 88421554 91534989 97729086 114017267 132632331 142834818 166640621 183069978 228034534 265264662 309475439 333281242 342051801 499921863 618950878 684103602 928426317 999843726 1856852634 2166328073 4332656146 6498984219 12997968438
• Sum of all divisors σ(n): 34776967680
• Sum of proper divisors (its aliquot sum) s(n): 21778999242
• 12997968438 is an abundant number, because the sum of its proper divisors (21778999242) is greater than itself. Its abundance is 8781030804

Bases of 12997968438

• Binary: 1100000110101111010100001000110110₂
• Hexadecimal: 0x306BD4236
• Base-36: 5YYNKMU

Squares and roots of 12997968438

• 12997968438 squared (12997968438²) is 168947183515244159844
• 12997968438 cubed (12997968438³) is 2195970159020137481516139003672
• The square root of 12997968438 is 114008.6331731067
• The cube root of 12997968438 is 2351.2121971807

Scales and comparisons

• 12,997,968,438 seconds is equal to 413 years, 15 weeks, 2 days, 10 hours, 47 minutes, 18 seconds.
• To count from 1 to 12,997,968,438 would take you about eight hundred twenty-six 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 12997968438 cubic inches would be around 195.9 feet tall.

Recreational maths with 12997968438

• 12997968438 backwards is 83486979921
• The number of decimal digits it has is: 11
• The sum of 12997968438's digits is 66
• More coming soon!