66778938 (number)

66778938 is an even 8-digits composite number following 66778937 and preceding 66778939. In scientific notation, it is written as 6.6778938 × 10^7. The sum of its digits is 54. It has a total of 6 prime factors and 32 positive divisors. There are 21491568 positive integers (up to 66778938) that are relatively prime to 66778938.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred seventy-eight thousand nine hundred thirty-eight

Notation

Scientific notation 6.6778938 × 10^7
Engineering notation 6.6778938 × 10^6

Prime Factorization of 66778938

Prime Factorization 2 × 3 × 3 × 3 × 29 × 42643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7419882
Product of the distinct prime numbers

The prime factorization of 66778938 is 2 × 3 × 3 × 3 × 29 × 42643. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 10, 4, 90, 880, 293, 4596, 6678, 72537, 17709, 209657, 860280, 9272222, 784448, 71428127, 96739954, 618600957, 132324, 68140266, 2490208648

Basic calculations (n = 66778938)

Multiplication

n×y
n×2 133557876
n×3 200336814
n×4 267115752
n×5 333894690

Division

n÷y
n÷2 33389469
n÷3 22259646
n÷3 16694734.5
n÷5 13355787.6

Exponentiation

ny
n2 4459426560407844
n3 2.9779576979303E+23
n4 1.9886485247671E+31
n5 1.3279983653921E+39

Nth Root

y√n
2√n 8171.8381041232
3√n 405.70762435809
4√n 90.398219584919
5√n 36.722133204805

Divisors of 66778938

1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 42643, 85286, 127929, 255858, 383787, 767574, 1151361, 1236647, 2302722, 2473294, 3709941, 7419882, 11129823, 22259646, 33389469, 66778938

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66778937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66778938 can be divided by 32 positive divisors. The sum of these divisors (counting 66778938) is 1, the average is 0.03125.

Base conversion 66778938

Base System Value
2 Binary 11111110101111011100111010
3 Ternary 11122122201111000
4 Quaternary 3332233130322
5 Quinary 114043411223
6 Senary 10343145430
8 Octal 376573472
10 Decimal 66778938
12 Duodecimal 1a445276
16 Hexadecimal 3faf73a
20 Vigesimal 10h776i
36 Base36 13rayi

Cryptographic Hash Functions

md5 d76d516c82602cd18ba0a89285b12f70
sha1 8e980b2b5fcc9a1b90a21d32613017134948d747
sha256 ff4cb67e39e043cac30e0be29a59e821b755d28644e386ac29b687a1b4572a90
sha512 34d442adf743fe245a975578610d3bb72df6879ecd75231da7fd898c94405b3bb6d7205bcdeb9027b7be207564a61f2737fdb9e8e72dd28f3eb545219effef8d
ripemd-160 a0b112033283cf0384f1229563da419164138d5c

66778938 as geometric shapes

Circle

Radius = n
Diameter 133557876
Circumference 419584442.07066
Area 1.40097017214E+16

Sphere

Radius = n
Volume 1.2474040035359E+24
Surface area 5.6038806885602E+16
Circumference 419584442.07066

Square

Length = n
Perimeter 267115752
Area 4459426560407844
Diagonal 94439679.800472

Cube

Length = n
Surface area 26756559362447064
Volume 2.9779576979303E+23
Space diagonal 115664513.49149

Equilateral Triangle

Length = n
Perimeter 200336814
Area 1.9309883438121E+15
Altitude 57832256.745746

Triangular Pyramid

Length = n
Surface area 1.9309883438121E+15
Volume 3.509556803822E+22
Height 31479893.266824