64428706380234816

Names of 64428706380234816

• Cardinal: 64428706380234816 can be written as Sixty-four quadrillion, four hundred twenty-eight trillion, seven hundred six billion, three hundred eighty million, two hundred thirty-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.4428706380234816 × 10¹⁶

Factors of 64428706380234816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7945

Divisors of 64428706380234816

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 1693 3386 5079 6247 6772 10158 12494 13544 15237 18741 20316 24988 27088 30474 37482 40632 49976 54176 56223 60948 74964 81264 99952 108352 112446 121896 149928 162528 199904 224892 243792 299856 325056 399808 449784 487584 599712 899568 975168 1199424 1799136 3598272 10576171 21152342 31728513 39025009 42304684 63457026 78050018 84609368 95185539 117075027 126914052 156100036 169218736 190371078 234150054 253828104 312200072 338437472 351225081 380742156 468300108 507656208 624400144 676874944 702450162 761484312 936600216 1015312416 1248800288 1404900324 1522968624 1873200432 2030624832 2497600576 2809800648 3045937248 3746400864 5619601296 6091874496 7492801728 11239202592 22478405184 66069340237 132138680474 198208020711 264277360948 396416041422 528554721896 594624062133 792832082844 1057109443792 1189248124266 1585664165688 2114218887584 2378496248532 3171328331376 4228437775168 4756992497064 6342656662752 9513984994128 12685313325504 19027969988256 38055939976512
• Sum of all divisors σ(n): 64499812825648362
• Sum of proper divisors (its aliquot sum) s(n): 71106445413546
• 64428706380234816 is a deficient number, because the sum of its proper divisors (71106445413546) is less than itself. Its deficiency is 64357599934821270

Bases of 64428706380234816

• Binary: 11100100111001011001000100101101001000011100000001000000₂
• Hexadecimal: 0xE4E5912D21C040
• Base-36: HME2J3QW0G0

Squares and roots of 64428706380234816

• 64428706380234816 squared (64428706380234816²) is 4151058205830510486634707298553856
• 64428706380234816 cubed (64428706380234816³) is 267447310310718299072558768006199002269818502250496
• 64428706380234816 is a perfect square number. Its square root is 253828104
• The cube root of 64428706380234816 is 400891.1514405377

Scales and comparisons

• 64,428,706,380,234,816 seconds is equal to 2,048,633,571 years, 42 weeks, 3 days, 14 hours, 33 minutes, 36 seconds.
• To count from 1 to 64,428,706,380,234,816 would take you about six billion, one hundred forty-five million, nine hundred thousand, seven hundred fifteen 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 64428706380234816 cubic inches would be around 33407.6 feet tall.

Recreational maths with 64428706380234816

• 64428706380234816 backwards is 61843208360782446
• 64428706380234816 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 64428706380234816's digits is 72
• More coming soon!