29721872457729

Names of 29721872457729

• Cardinal: 29721872457729 can be written as Twenty-nine trillion, seven hundred twenty-one billion, eight hundred seventy-two million, four hundred fifty-seven thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 2.9721872457729 × 10¹³

Factors of 29721872457729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10329

Divisors of 29721872457729

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 59 81 177 531 1593 3481 4779 10267 10443 30801 31329 92403 93987 277209 281961 605753 831627 1817259 5451777 16355331 35739427 49065993 105411289 107218281 316233867 321654843 948701601 964964529 2846104803 2894893587 6219266051 8538314409 18657798153 55973394459 167920183377 366936697009 503760550131 1100810091027 3302430273081 9907290819243 29721872457729
• Sum of all divisors σ(n): 45169025733777
• Sum of proper divisors (its aliquot sum) s(n): 15447153276048
• 29721872457729 is a deficient number, because the sum of its proper divisors (15447153276048) is less than itself. Its deficiency is 14274719181681

Bases of 29721872457729

• Binary: 110110000100000101001101001100110000000000001₂
• Hexadecimal: 0x1B0829A66001
• Base-36: AJA1FGR29

Squares and roots of 29721872457729

• 29721872457729 squared (29721872457729²) is 883389702393509706891837441
• 29721872457729 cubed (29721872457729³) is 26255996065011074225875514892103412031489
• 29721872457729 is a perfect square number. Its square root is 5451777
• The cube root of 29721872457729 is 30976.0037878787

Scales and comparisons

• 29,721,872,457,729 seconds is equal to 945,063 years, 31 weeks, 4 days, 10 hours, 42 minutes, 9 seconds.
• To count from 1 to 29,721,872,457,729 would take you about two million, three hundred sixty-two thousand, six hundred fifty-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 29721872457729 cubic inches would be around 2581.3 feet tall.

Recreational maths with 29721872457729

• 29721872457729 backwards is 92775427812792
• The number of decimal digits it has is: 14
• The sum of 29721872457729's digits is 72
• More coming soon!