29921877747642321

Names of 29921877747642321

• Cardinal: 29921877747642321 can be written as Twenty-nine quadrillion, nine hundred twenty-one trillion, eight hundred seventy-seven billion, seven hundred forty-seven million, six hundred forty-two thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.9921877747642321 × 10¹⁶

Factors of 29921877747642321

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 848641066

Divisors of 29921877747642321

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 567 62189 186567 435323 559701 1305969 1679103 3917907 5037309 11753721 35261163 848578867 2545736601 5940052069 7637209803 17820156207 22911629409 53460468621 68734888227 160381405863 481144217589 52772271159863 158316813479589 369405898119041 474950440438767 1108217694357123 1424851321316301 3324653083071369 4274553963948903 9973959249214107 29921877747642321
• Sum of all divisors σ(n): 51084379967290560
• Sum of proper divisors (its aliquot sum) s(n): 21162502219648239
• 29921877747642321 is a deficient number, because the sum of its proper divisors (21162502219648239) is less than itself. Its deficiency is 8759375527994082

Bases of 29921877747642321

• Binary: 1101010010011011100101000001110001010010010111111010001₂
• Hexadecimal: 0x6A4DCA0E292FD1
• Base-36: 86MF4VEYG29

Squares and roots of 29921877747642321

• 29921877747642321 squared (29921877747642321²) is 895318767944852696882074150267041
• 29921877747642321 cubed (29921877747642321³) is 26789618719615626880373776529193298955710303042161
• The square root of 29921877747642321 is 172979414.2308336093
• The cube root of 29921877747642321 is 310453.3005785017

Scales and comparisons

• 29,921,877,747,642,321 seconds is equal to 951,423,157 years, 48 weeks, 2 days, 14 hours, 25 minutes, 21 seconds.
• To count from 1 to 29,921,877,747,642,321 would take you about two billion, eight hundred fifty-four million, two hundred sixty-nine thousand, four hundred seventy-three 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 29921877747642321 cubic inches would be around 25871.1 feet tall.

Recreational maths with 29921877747642321

• 29921877747642321 backwards is 12324674777812992
• 29921877747642321 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 29921877747642321's digits is 81
• More coming soon!