66778816 (number)

66778816 is an even 8-digits composite number following 66778815 and preceding 66778817. In scientific notation, it is written as 6.6778816 × 10^7. The sum of its digits is 49. It has a total of 8 prime factors and 28 positive divisors. There are 30820608 positive integers (up to 66778816) that are relatively prime to 66778816.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred seventy-eight thousand eight hundred sixteen

Notation

Scientific notation 6.6778816 × 10^7
Engineering notation 6.6778816 × 10^6

Prime Factorization of 66778816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 13 × 80263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2086838
Product of the distinct prime numbers

The prime factorization of 66778816 is 2 × 2 × 2 × 2 × 2 × 2 × 13 × 80263. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 8, 38, 72, 200, 999, 7092, 8095, 65480, 18718, 549760, 988241, 7021981, 1983413, 31036804, 13477747, 614367614, 796446635, 1717482242, 4728089423

Basic calculations (n = 66778816)

Multiplication

n×y
n×2 133557632
n×3 200336448
n×4 267115264
n×5 333894080

Division

n÷y
n÷2 33389408
n÷3 22259605.333333
n÷3 16694704
n÷5 13355763.2

Exponentiation

ny
n2 4459410266361856
n3 2.9779413764589E+23
n4 1.9886339923734E+31
n5 1.3279862346805E+39

Nth Root

y√n
2√n 8171.8306394589
3√n 405.70737729237
4√n 90.398178297236
5√n 36.722119787091

Divisors of 66778816

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 80263, 160526, 321052, 642104, 1043419, 1284208, 2086838, 2568416, 4173676, 5136832, 8347352, 16694704, 33389408, 66778816

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66778815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66778816 can be divided by 28 positive divisors. The sum of these divisors (counting 66778816) is 1, the average is 0.035714285714286.

Base conversion 66778816

Base System Value
2 Binary 11111110101111011011000000
3 Ternary 11122122201022111
4 Quaternary 3332233123000
5 Quinary 114043410231
6 Senary 10343145104
8 Octal 376573300
10 Decimal 66778816
12 Duodecimal 1a445194
16 Hexadecimal 3faf6c0
20 Vigesimal 10h770g
36 Base36 13rav4

Cryptographic Hash Functions

md5 7f07def8f2dcb07de87a64b26dd5d5cd
sha1 de6681f876d6b0f88da7ae4155cca76340069383
sha256 5fa5b77dca7ec47b1ab2911a3f0845e70348571efc64d5039e2d1237b3bdb1ee
sha512 8af3fd0fc8387e7235d2fad786eceae4b73d0082f4f418e3310efe2daf29f7332109c7bbb308c6ac53a34ccfa44c623b5ed66cd0ee8971533ee77ad58c695031
ripemd-160 bafc255b0753f3e262e0cdab7a634e955c313357

66778816 as geometric shapes

Circle

Radius = n
Diameter 133557632
Circumference 419583675.52205
Area 1.4009650532145E+16

Sphere

Radius = n
Volume 1.2473971668139E+24
Surface area 5.6038602128581E+16
Circumference 419583675.52205

Square

Length = n
Perimeter 267115264
Area 4459410266361856
Diagonal 94439507.266417

Cube

Length = n
Surface area 26756461598171136
Volume 2.9779413764589E+23
Space diagonal 115664302.18129

Equilateral Triangle

Length = n
Perimeter 200336448
Area 1.9309812882832E+15
Altitude 57832151.090647

Triangular Pyramid

Length = n
Surface area 1.9309812882832E+15
Volume 3.5095375687835E+22
Height 31479835.755472