64449725431

Names of 64449725431

• Cardinal: 64449725431 can be written as Sixty-four billion, four hundred forty-nine million, seven hundred twenty-five thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 6.4449725431 × 10¹⁰

Factors of 64449725431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1007

Divisors of 64449725431

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 31 49 91 127 217 403 637 829 889 961 1519 1651 2821 3937 5803 6223 6727 10777 11557 12493 19747 25699 27559 40621 47089 51181 75439 80899 87451 105283 122047 179893 192913 334087 358267 528073 612157 736981 796669 854329 1259251 1368679 1586611 2338609 2507869 3263773 5158867 5576683 5980303 9580753 10356697 11106277 16370263 22846411 39036781 42429049 67065271 72496879 77743939 101176963 159924877 297003343 507478153 708238741 1315300519 2079023401 4957671187 9207103633 64449725431
• Sum of all divisors σ(n): 84186063360
• Sum of proper divisors (its aliquot sum) s(n): 19736337929
• 64449725431 is a deficient number, because the sum of its proper divisors (19736337929) is less than itself. Its deficiency is 44713387502

Bases of 64449725431

• Binary: 111100000001100000001100001111110111₂
• Hexadecimal: 0xF0180C3F7
• Base-36: TLVPAEV

Squares and roots of 64449725431

• 64449725431 squared (64449725431²) is 4153767108131288135761
• 64449725431 cubed (64449725431³) is 267709149623380407850144302237991
• The square root of 64449725431 is 253869.5047283149
• The cube root of 64449725431 is 4009.3474192359

Scales and comparisons

• 64,449,725,431 seconds is equal to 2,049 years, 15 weeks, 4 days, 21 hours, 30 minutes, 31 seconds.
• To count from 1 to 64,449,725,431 would take you about four thousand and ninety-eight 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 64449725431 cubic inches would be around 334.1 feet tall.

Recreational maths with 64449725431

• 64449725431 backwards is 13452794446
• 64449725431 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64449725431's digits is 49
• More coming soon!