12738158724

Names of 12738158724

• Cardinal: 12738158724 can be written as Twelve billion, seven hundred thirty-eight million, one hundred fifty-eight thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.2738158724 × 10¹⁰

Factors of 12738158724

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3407

Divisors of 12738158724

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 23 46 67 69 92 134 138 201 223 268 276 402 446 669 804 892 1338 1541 2676 3082 3089 4623 5129 6164 6178 9246 9267 10258 12356 14941 15387 18492 18534 20516 29882 30774 37068 44823 59764 61548 71047 89646 142094 179292 206963 213141 284188 343643 413926 426282 620889 687286 688847 827852 852564 1030929 1241778 1374572 1377694 2061858 2066541 2483556 2755388 4123716 4133082 4760149 8266164 9520298 14280447 15843481 19040596 28560894 31686962 46152749 47530443 57121788 63373924 92305498 95060886 138458247 184610996 190121772 276916494 553832988 1061513227 2123026454 3184539681 4246052908 6369079362 12738158724
• Sum of all divisors σ(n): 31628943360
• Sum of proper divisors (its aliquot sum) s(n): 18890784636
• 12738158724 is an abundant number, because the sum of its proper divisors (18890784636) is greater than itself. Its abundance is 6152625912

Bases of 12738158724

• Binary: 1011110111010000001110000010000100₂
• Hexadecimal: 0x2F740E084
• Base-36: 5UNYY6C

Squares and roots of 12738158724

• 12738158724 squared (12738158724²) is 162260687677817308176
• 12738158724 cubed (12738158724³) is 2066902394305427845420310927424
• The square root of 12738158724 is 112863.4516750219
• The cube root of 12738158724 is 2335.4409201179

Scales and comparisons

• 12,738,158,724 seconds is equal to 405 years, 1 week, 5 days, 9 hours, 25 minutes, 24 seconds.
• To count from 1 to 12,738,158,724 would take you about eight hundred ten 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 12738158724 cubic inches would be around 194.6 feet tall.

Recreational maths with 12738158724

• 12738158724 backwards is 42785183721
• The number of decimal digits it has is: 11
• The sum of 12738158724's digits is 48
• More coming soon!