64072431900

Names of 64072431900

• Cardinal: 64072431900 can be written as Sixty-four billion, seventy-two million, four hundred thirty-one thousand, nine hundred.

Scientific notation

• Scientific notation: 6.40724319 × 10¹⁰

Factors of 64072431900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 71191601

Divisors of 64072431900

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 71191591 142383182 213574773 284766364 355957955 427149546 640724319 711915910 854299092 1067873865 1281448638 1423831820 1779789775 2135747730 2562897276 3203621595 3559579550 4271495460 5339369325 6407243190 7119159100 10678738650 12814486380 16018107975 21357477300 32036215950 64072431900
• Sum of all divisors σ(n): 200831481032
• Sum of proper divisors (its aliquot sum) s(n): 136759049132
• 64072431900 is an abundant number, because the sum of its proper divisors (136759049132) is greater than itself. Its abundance is 72686617232

Bases of 64072431900

• Binary: 111011101011000000111011100100011100₂
• Hexadecimal: 0xEEB03B91C
• Base-36: TFN2KV0

Squares and roots of 64072431900

• 64072431900 squared (64072431900²) is 4105276529580137610000
• 64072431900 cubed (64072431900³) is 263035050872191702609353759000000
• The square root of 64072431900 is 253125.3284442315
• The cube root of 64072431900 is 4001.5084290057

Scales and comparisons

• 64,072,431,900 seconds is equal to 2,037 years, 15 weeks, 6 days, 1 hour, 45 minutes.
• To count from 1 to 64,072,431,900 would take you about four thousand and seventy-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 64072431900 cubic inches would be around 333.5 feet tall.

Recreational maths with 64072431900

• 64072431900 backwards is 00913427046
• 64072431900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64072431900's digits is 36
• More coming soon!