29313897921

Names of 29313897921

• Cardinal: 29313897921 can be written as Twenty-nine billion, three hundred thirteen million, eight hundred ninety-seven thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.9313897921 × 10¹⁰

Factors of 29313897921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178581

Divisors of 29313897921

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 77 79 99 189 231 237 297 553 693 711 869 1659 2079 2133 2607 4977 6083 7821 14931 18249 23463 54747 164241 178481 535443 1249367 1606329 1963291 3748101 4818987 5889873 11244303 13743037 14099999 17669619 33732909 41229111 42299997 53008857 98699993 123687333 126899991 155099989 296099979 371061999 380699973 465299967 888299937 1085699923 1395899901 2664899811 3257099769 4187699703 9771299307 29313897921
• Sum of all divisors σ(n): 54829670400
• Sum of proper divisors (its aliquot sum) s(n): 25515772479
• 29313897921 is a deficient number, because the sum of its proper divisors (25515772479) is less than itself. Its deficiency is 3798125442

Bases of 29313897921

• Binary: 11011010011001111101001010111000001₂
• Hexadecimal: 0x6D33E95C1
• Base-36: DGSQKE9

Squares and roots of 29313897921

• 29313897921 squared (29313897921²) is 859304611322808122241
• 29313897921 cubed (29313897921³) is 25189567659361378074442363760961
• The square root of 29313897921 is 171213.0191340601
• The cube root of 29313897921 is 3083.3620565357

Scales and comparisons

• 29,313,897,921 seconds is equal to 932 years, 4 weeks, 5 days, 5 hours, 25 minutes, 21 seconds.
• To count from 1 to 29,313,897,921 would take you about one thousand, eight hundred sixty-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 29313897921 cubic inches would be around 256.9 feet tall.

Recreational maths with 29313897921

• 29313897921 backwards is 12979831392
• The number of decimal digits it has is: 11
• The sum of 29313897921's digits is 54
• More coming soon!