6389746853372420

Names of 6389746853372420

• Cardinal: 6389746853372420 can be written as Six quadrillion, three hundred eighty-nine trillion, seven hundred forty-six billion, eight hundred fifty-three million, three hundred seventy-two thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.38974685337242 × 10¹⁵

Factors of 6389746853372420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3291614100

Divisors of 6389746853372420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 31 62 101 124 155 202 310 404 505 620 961 1010 1922 2020 3131 3844 4805 6262 9610 12524 15655 19220 31310 62620 97061 194122 388244 485305 970610 1941220 3291613961 6583227922 13166455844 16458069805 32916139610 65832279220 102040032791 204080065582 332453010061 408160131164 510200163955 664906020122 1020400327910 1329812040244 1662265050305 2040800655820 3163241016521 3324530100610 6326482033042 6649060201220 10306043311891 12652964066084 15816205082605 20612086623782 31632410165210 41224173247564 51530216559455 63264820330420 103060433118910 206120866237820 319487342668621 638974685337242 1277949370674484 1597436713343105 3194873426686210 6389746853372420
• Sum of all divisors σ(n): 14002565293715544
• Sum of proper divisors (its aliquot sum) s(n): 7612818440343124
• 6389746853372420 is an abundant number, because the sum of its proper divisors (7612818440343124) is greater than itself. Its abundance is 1223071586970704

Bases of 6389746853372420

• Binary: 10110101100110111000011011111011001100110001000000100₂
• Hexadecimal: 0x16B370DF666204
• Base-36: 1QWZ56I4FLW

Squares and roots of 6389746853372420

• 6389746853372420 squared (6389746853372420²) is 40828864850182742655127216656400
• 6389746853372420 cubed (6389746853372420³) is 260886110703222982203013053964503560336376488000
• The square root of 6389746853372420 is 79935892.1472227017
• The cube root of 6389746853372420 is 185564.3526613139

Scales and comparisons

• 6,389,746,853,372,420 seconds is equal to 203,174,185 years, 7 weeks, 6 days, 12 hours, 20 minutes, 20 seconds.
• To count from 1 to 6,389,746,853,372,420 would take you about six hundred nine million, five hundred twenty-two thousand, five hundred fifty-five 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 6389746853372420 cubic inches would be around 15463.7 feet tall.

Recreational maths with 6389746853372420

• 6389746853372420 backwards is 0242733586479836
• The number of decimal digits it has is: 16
• The sum of 6389746853372420's digits is 77
• More coming soon!