12966638464

Names of 12966638464

• Cardinal: 12966638464 can be written as Twelve billion, nine hundred sixty-six million, six hundred thirty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.2966638464 × 10¹⁰

Factors of 12966638464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1588

Divisors of 12966638464

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 64 76 104 128 152 208 247 304 337 416 494 608 674 832 988 1216 1217 1348 1664 1976 2432 2434 2696 3952 4381 4868 5392 6403 7904 8762 9736 10784 12806 15808 15821 17524 19472 21568 23123 25612 31616 31642 35048 38944 43136 46246 51224 63284 70096 77888 83239 92492 102448 126568 140192 155776 166478 184984 204896 253136 280384 300599 332956 369968 409792 410129 506272 560768 601198 665912 739936 819584 820258 1012544 1202396 1331824 1479872 1640516 2025088 2404792 2663648 2959744 3281032 4809584 5327296 5331677 6562064 7792451 9619168 10654592 10663354 13124128 15584902 19238336 21326708 26248256 31169804 38476672 42653416 52496512 62339608 85306832 101301863 124679216 170613664 202603726 249358432 341227328 405207452 498716864 682454656 810414904 997433728 1620829808 3241659616 6483319232 12966638464
• Sum of all divisors σ(n): 29394237600
• Sum of proper divisors (its aliquot sum) s(n): 16427599136
• 12966638464 is an abundant number, because the sum of its proper divisors (16427599136) is greater than itself. Its abundance is 3460960672

Bases of 12966638464

• Binary: 1100000100110111110011001110000000₂
• Hexadecimal: 0x304DF3380
• Base-36: 5YG029S

Squares and roots of 12966638464

• 12966638464 squared (12966638464²) is 168133713056084279296
• 12966638464 cubed (12966638464³) is 2180129070808161405145232441344
• The square root of 12966638464 is 113871.1485144503
• The cube root of 12966638464 is 2349.3215765499

Scales and comparisons

• 12,966,638,464 seconds is equal to 412 years, 15 weeks, 3 days, 20 hours, 1 minute, 4 seconds.
• To count from 1 to 12,966,638,464 would take you about eight hundred twenty-four 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 12966638464 cubic inches would be around 195.8 feet tall.

Recreational maths with 12966638464

• 12966638464 backwards is 46483666921
• The number of decimal digits it has is: 11
• The sum of 12966638464's digits is 55
• More coming soon!