121747813642

Names of 121747813642

• Cardinal: 121747813642 can be written as One hundred twenty-one billion, seven hundred forty-seven million, eight hundred thirteen thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.21747813642 × 10¹¹

Factors of 121747813642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 261

Divisors of 121747813642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 13 14 26 49 91 98 182 239 343 478 637 686 1274 1673 3107 3346 4459 6214 8918 11711 21749 23422 43498 57121 81977 114242 152243 163954 304486 399847 742573 799694 1065701 1485146 2131402 2798929 5198011 5597858 10396022 13651919 19592503 27303838 36386077 39185006 72772154 95563433 177474947 191126866 254702539 354949894 509405078 668944031 1242324629 1337888062 2484649258 4682608217 8696272403 9365216434 17392544806 60873906821 121747813642
• Sum of all divisors σ(n): 230315904000
• Sum of proper divisors (its aliquot sum) s(n): 108568090358
• 121747813642 is a deficient number, because the sum of its proper divisors (108568090358) is less than itself. Its deficiency is 13179723284

Bases of 121747813642

• Binary: 1110001011000101111000011010100001010₂
• Hexadecimal: 0x1C58BC350A
• Base-36: 1JXHI68A

Squares and roots of 121747813642

• 121747813642 squared (121747813642²) is 14822530126607161304164
• 121747813642 cubed (121747813642³) is 1804610635557099340201992350605288
• The square root of 121747813642 is 348923.7934592597
• The cube root of 121747813642 is 4956.2559224455

Scales and comparisons

• 121,747,813,642 seconds is equal to 3,871 years, 10 weeks, 4 days, 5 hours, 7 minutes, 22 seconds.
• To count from 1 to 121,747,813,642 would take you about seven thousand, seven hundred forty-two 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 121747813642 cubic inches would be around 413 feet tall.

Recreational maths with 121747813642

• 121747813642 backwards is 246318747121
• The number of decimal digits it has is: 12
• The sum of 121747813642's digits is 46
• More coming soon!