64438556416

Names of 64438556416

• Cardinal: 64438556416 can be written as Sixty-four billion, four hundred thirty-eight million, five hundred fifty-six thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 6.4438556416 × 10¹⁰

Factors of 64438556416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 152603

Divisors of 64438556416

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 127 128 208 254 256 416 508 832 1016 1651 1664 2032 3302 3328 4064 6604 8128 13208 16256 26416 32512 52832 105664 152461 211328 304922 422656 609844 1219688 1981993 2439376 3963986 4878752 7927972 9757504 15855944 19362547 19515008 31711888 38725094 39030016 63423776 77450188 126847552 154900376 251713111 253695104 309800752 503426222 507390208 619601504 1006852444 1239203008 2013704888 2478406016 4027409776 4956812032 8054819552 16109639104 32219278208 64438556416
• Sum of all divisors σ(n): 139611282944
• Sum of proper divisors (its aliquot sum) s(n): 75172726528
• 64438556416 is an abundant number, because the sum of its proper divisors (75172726528) is greater than itself. Its abundance is 10734170112

Bases of 64438556416

• Binary: 111100000000110101100101011100000000₂
• Hexadecimal: 0xF00D65700
• Base-36: TLP1WCG

Squares and roots of 64438556416

• 64438556416 squared (64438556416²) is 4152327552978014765056
• 64438556416 cubed (64438556416³) is 267569993280285033245742041399296
• The square root of 64438556416 is 253847.5062237169
• The cube root of 64438556416 is 4009.1158017583

Scales and comparisons

• 64,438,556,416 seconds is equal to 2,048 years, 49 weeks, 1 day, 15 hours, 16 seconds.
• To count from 1 to 64,438,556,416 would take you about four thousand and ninety-seven 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 64438556416 cubic inches would be around 334.1 feet tall.

Recreational maths with 64438556416

• 64438556416 backwards is 61465583446
• 64438556416 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64438556416's digits is 52
• More coming soon!