123139281264

Names of 123139281264

• Cardinal: 123139281264 can be written as One hundred twenty-three billion, one hundred thirty-nine million, two hundred eighty-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 1.23139281264 × 10¹¹

Factors of 123139281264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 443

Divisors of 123139281264

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 397 492 656 794 984 1191 1588 1968 2382 3176 4764 6352 9528 16277 19056 32554 48831 65108 97662 130216 157609 195324 260432 315218 390648 472827 630436 781296 945654 1260872 1891308 2521744 3782616 6461969 7565232 12923938 19385907 25847876 38771814 51695752 62570773 77543628 103391504 125141546 155087256 187712319 250283092 310174512 375424638 500566184 750849276 1001132368 1501698552 2565401693 3003397104 5130803386 7696205079 10261606772 15392410158 20523213544 30784820316 41046427088 61569640632 123139281264
• Sum of all divisors σ(n): 326691486240
• Sum of proper divisors (its aliquot sum) s(n): 203552204976
• 123139281264 is an abundant number, because the sum of its proper divisors (203552204976) is greater than itself. Its abundance is 80412923712

Bases of 123139281264

• Binary: 1110010101011101011000101000101110000₂
• Hexadecimal: 0x1CABAC5170
• Base-36: 1KKHY5IO

Squares and roots of 123139281264

• 123139281264 squared (123139281264²) is 15163282590214501437696
• 123139281264 cubed (123139281264³) is 1867195719761937946627980116127744
• The square root of 123139281264 is 350912.0705589933
• The cube root of 123139281264 is 4975.0662855103

Scales and comparisons

• 123,139,281,264 seconds is equal to 3,915 years, 23 weeks, 2 days, 3 hours, 54 minutes, 24 seconds.
• To count from 1 to 123,139,281,264 would take you about seven thousand, eight hundred thirty 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 123139281264 cubic inches would be around 414.6 feet tall.

Recreational maths with 123139281264

• 123139281264 backwards is 462182931321
• The number of decimal digits it has is: 12
• The sum of 123139281264's digits is 42
• More coming soon!