13405321949725

Names of 13405321949725

• Cardinal: 13405321949725 can be written as Thirteen trillion, four hundred five billion, three hundred twenty-one million, nine hundred forty-nine thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.3405321949725 × 10¹³

Factors of 13405321949725

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 148

Divisors of 13405321949725

• Number of divisors d(n): 108
• Complete list of divisors:
  1 5 25 29 53 61 145 265 305 725 841 1325 1525 1537 1769 2809 3233 3721 4205 7685 8845 14045 16165 18605 21025 38425 44225 44573 51301 70225 80825 81461 93025 93757 107909 171349 197213 222865 226981 256505 407305 468785 539545 856745 986065 1114325 1134905 1282525 2036525 2343925 2362369 2697725 2718953 3129361 4283725 4930325 4969121 5674525 5719177 6582449 10452289 11811845 12029993 13594765 15646805 24845605 28595885 32912245 52261445 59059225 60149965 67973825 78234025 124228025 142979425 144104509 164561225 165856133 190891021 261307225 300749825 303116381 348869797 637589629 720522545 829280665 954455105 1515581905 1744348985 3187948145 3602612725 4146403325 4772275525 7577909525 8721744925 8790375049 10117224113 15939740725 18490099241 43951875245 50586120565 92450496205 219759376225 252930602825 462252481025 536212877989 2681064389945 13405321949725
• Sum of all divisors σ(n): 17838948641332
• Sum of proper divisors (its aliquot sum) s(n): 4433626691607
• 13405321949725 is a deficient number, because the sum of its proper divisors (4433626691607) is less than itself. Its deficiency is 8971695258118

Bases of 13405321949725

• Binary: 11000011000100101011011100111111001000011101₂
• Hexadecimal: 0xC312B73F21D
• Base-36: 4R2BIKNJ1

Squares and roots of 13405321949725

• 13405321949725 squared (13405321949725²) is 179702656575778875427575625
• 13405321949725 cubed (13405321949725³) is 2408971966619182166557255970354885453125
• The square root of 13405321949725 is 3661327.8943199009
• The cube root of 13405321949725 is 23755.2214261559

Scales and comparisons

• 13,405,321,949,725 seconds is equal to 426,247 years, 40 weeks, 1 day, 5 hours, 35 minutes, 25 seconds.
• To count from 1 to 13,405,321,949,725 would take you about one million, sixty-five thousand, six hundred nineteen 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 13405321949725 cubic inches would be around 1979.6 feet tall.

Recreational maths with 13405321949725

• 13405321949725 backwards is 52794912350431
• The number of decimal digits it has is: 14
• The sum of 13405321949725's digits is 55
• More coming soon!