121738365132582128

Names of 121738365132582128

• Cardinal: 121738365132582128 can be written as One hundred twenty-one quadrillion, seven hundred thirty-eight trillion, three hundred sixty-five billion, one hundred thirty-two million, five hundred eighty-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21738365132582128 × 10¹⁷

Factors of 121738365132582128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2469376

Divisors of 121738365132582128

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 719 1438 2876 5033 5752 10066 11504 20132 40264 80528 1125679 1342969 2251358 2685938 4502716 5371876 7879753 9005432 9400783 10743752 15759506 18010864 18801566 21487504 31519012 37603132 63038024 75206264 126076048 150412528 809363201 965594711 1618726402 1931189422 3237452804 3862378844 5665542407 6474905608 6759162977 7724757688 11331084814 12949811216 13518325954 15449515376 22662169628 27036651908 45324339256 54073303816 90648678512 108146607632 1511752000951 3023504001902 6047008003804 10582264006657 12094016007608 21164528013314 24188032015216 42329056026628 84658112053256 169316224106512 1086949688683769 2173899377367538 4347798754735076 7608647820786383 8695597509470152 15217295641572766 17391195018940304 30434591283145532 60869182566291064 121738365132582128
• Sum of all divisors σ(n): 269938878091776000
• Sum of proper divisors (its aliquot sum) s(n): 148200512959193872
• 121738365132582128 is an abundant number, because the sum of its proper divisors (148200512959193872) is greater than itself. Its abundance is 26462147826611744

Bases of 121738365132582128

• Binary: 110110000100000000110010111101001010000111010110011110000₂
• Hexadecimal: 0x1B08065E943ACF0
• Base-36: XAONCVKHW4W

Squares and roots of 121738365132582128

• 121738365132582128 squared (121738365132582128²) is 14820229545153887999459460665008384
• 121738365132582128 cubed (121738365132582128³) is 1804190515716625568992290183581931524151266688561152
• The square root of 121738365132582128 is 348910253.6936713873
• The cube root of 121738365132582128 is 495612.7705379885

Scales and comparisons

• 121,738,365,132,582,128 seconds is equal to 3,870,903,449 years, 37 weeks, 6 days, 4 hours, 22 minutes, 8 seconds.
• To count from 1 to 121,738,365,132,582,128 would take you about eleven billion, six hundred twelve million, seven hundred ten thousand, three hundred forty-nine 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 121738365132582128 cubic inches would be around 41301.1 feet tall.

Recreational maths with 121738365132582128

• 121738365132582128 backwards is 821285231563837121
• The number of decimal digits it has is: 18
• The sum of 121738365132582128's digits is 68
• More coming soon!