121429253205

Names of 121429253205

• Cardinal: 121429253205 can be written as One hundred twenty-one billion, four hundred twenty-nine million, two hundred fifty-three thousand, two hundred five.

Scientific notation

• Scientific notation: 1.21429253205 × 10¹¹

Factors of 121429253205

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2053

Divisors of 121429253205

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 13 15 39 45 53 65 117 159 195 265 477 585 689 795 1979 2067 2385 3445 5937 6201 9895 10335 17811 25727 29685 31005 77181 89055 104887 128635 231543 314661 385905 524435 943983 1157715 1363531 1573305 3916441 4090593 4719915 6817655 11749323 12271779 19582205 20452965 35247969 50913733 58746615 61358895 152741199 176239845 207571373 254568665 458223597 622714119 763705995 1037856865 1868142357 2291117985 2698427849 3113570595 8095283547 9340711785 13492139245 24285850641 40476417735 121429253205
• Sum of all divisors σ(n): 231061449528
• Sum of proper divisors (its aliquot sum) s(n): 109632196323
• 121429253205 is a deficient number, because the sum of its proper divisors (109632196323) is less than itself. Its deficiency is 11797056882

Bases of 121429253205

• Binary: 1110001000101101111110101110001010101₂
• Hexadecimal: 0x1C45BF5C55
• Base-36: 1JS7UBF9

Squares and roots of 121429253205

• 121429253205 squared (121429253205²) is 14745063533924002772025
• 121429253205 cubed (121429253205³) is 1790482053384669839831345615590125
• The square root of 121429253205 is 348467.0044710115
• The cube root of 121429253205 is 4951.9293666545

Scales and comparisons

• 121,429,253,205 seconds is equal to 3,861 years, 3 weeks, 6 days, 4 hours, 6 minutes, 45 seconds.
• To count from 1 to 121,429,253,205 would take you about seven thousand, seven hundred twenty-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 121429253205 cubic inches would be around 412.7 feet tall.

Recreational maths with 121429253205

• 121429253205 backwards is 502352924121
• The number of decimal digits it has is: 12
• The sum of 121429253205's digits is 36
• More coming soon!