121145684121

Names of 121145684121

• Cardinal: 121145684121 can be written as One hundred twenty-one billion, one hundred forty-five million, six hundred eighty-four thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.21145684121 × 10¹¹

Factors of 121145684121

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 934869

Divisors of 121145684121

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 17 21 33 51 63 77 99 119 121 153 187 231 357 363 561 693 847 1071 1089 1309 1683 2057 2541 3927 6171 7623 11781 14399 18513 43197 129591 934831 2804493 6543817 8413479 10283141 15892127 19631451 30849423 47676381 58894353 71981987 92548269 111244889 113114551 143029143 174813397 215945961 333734667 339343653 524440191 647837883 791801857 1001204001 1018030959 1223693779 1573320573 1922947367 2375405571 3671081337 5768842101 7126216713 11013244011 13460631569 17306526303 40381894707 121145684121
• Sum of all divisors σ(n): 232750732032
• Sum of proper divisors (its aliquot sum) s(n): 111605047911
• 121145684121 is a deficient number, because the sum of its proper divisors (111605047911) is less than itself. Its deficiency is 9540636210

Bases of 121145684121

• Binary: 1110000110100110110000111000010011001₂
• Hexadecimal: 0x1C34D87099
• Base-36: 1JNJ0G49

Squares and roots of 121145684121

• 121145684121 squared (121145684121²) is 14676276781145111542641
• 121145684121 cubed (121145684121³) is 1777967591000972331608097608103561
• The square root of 121145684121 is 348059.8858257007
• The cube root of 121145684121 is 4948.0716785303

Scales and comparisons

• 121,145,684,121 seconds is equal to 3,852 years, 3 weeks, 2 hours, 55 minutes, 21 seconds.
• To count from 1 to 121,145,684,121 would take you about seven thousand, seven hundred 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 121145684121 cubic inches would be around 412.3 feet tall.

Recreational maths with 121145684121

• 121145684121 backwards is 121486541121
• The number of decimal digits it has is: 12
• The sum of 121145684121's digits is 36
• More coming soon!