78138906 (number)

78138906 is an even 8-digits composite number following 78138905 and preceding 78138907. In scientific notation, it is written as 7.8138906 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 24675408 positive integers (up to 78138906) that are relatively prime to 78138906.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred thirty-eight thousand nine hundred six

Notation

Scientific notation 7.8138906 × 10^7
Engineering notation 7.8138906 × 10^6

Prime Factorization of 78138906

Prime Factorization 2 × 3 × 19 × 685429

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78138906
Product of the distinct prime numbers

The prime factorization of 78138906 is 2 × 3 × 19 × 685429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 46, 34, 750, 327, 2824, 6189, 70981, 28583, 783472, 847803, 5607313, 7171946, 16876345, 40773174, 425272958, 344495028, 8597410178, 8059466223

Basic calculations (n = 78138906)

Multiplication

n×y
n×2 156277812
n×3 234416718
n×4 312555624
n×5 390694530

Division

n÷y
n÷2 39069453
n÷3 26046302
n÷3 19534726.5
n÷5 15627781.2

Exponentiation

ny
n2 6105688630876836
n3 4.7709182999335E+23
n4 3.7279433657219E+31
n5 2.9129741622746E+39

Nth Root

y√n
2√n 8839.6213719819
3√n 427.51934935162
4√n 94.019260643668
5√n 37.894263030218

Divisors of 78138906

1, 2, 3, 6, 19, 38, 57, 114, 685429, 1370858, 2056287, 4112574, 13023151, 26046302, 39069453, 78138906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78138905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78138906 can be divided by 16 positive divisors. The sum of these divisors (counting 78138906) is 1, the average is 0.0625.

Base conversion 78138906

Base System Value
2 Binary 100101010000100111000011010
3 Ternary 12110000212102120
4 Quaternary 10222010320122
5 Quinary 130000421111
6 Senary 11430442110
8 Octal 452047032
10 Decimal 78138906
12 Duodecimal 22203336
16 Hexadecimal 4a84e1a
20 Vigesimal 1487756
36 Base36 1aisd6

Cryptographic Hash Functions

md5 da40fc5b5584bf16ed9a49b3640dc6d5
sha1 cd9aeab8d6f2ee22b0a8cd2eecbcaac30849e2b0
sha256 358fe99832c3485b5a4f413b6d298c90e069afa22ae8459135ecad79d7634537
sha512 9c315b94a70521fe94d5b4ce2f01ed6277c5d91aa15aebf04697a5a477f6da2ca0a843cfaceaa8a4cfd04c37326a86516607169d34853c5aca472e9d663950ee
ripemd-160 207205666c622ab4638180d0f595ccb6a7c08fc9

78138906 as geometric shapes

Circle

Radius = n
Diameter 156277812
Circumference 490961226.09829
Area 1.9181586547869E+16

Sphere

Radius = n
Volume 1.9984375842598E+24
Surface area 7.6726346191478E+16
Circumference 490961226.09829

Square

Length = n
Perimeter 312555624
Area 6105688630876836
Diagonal 110505100.6142

Cube

Length = n
Surface area 36634131785261016
Volume 4.7709182999335E+23
Space diagonal 135340555.23985

Equilateral Triangle

Length = n
Perimeter 234416718
Area 2.6438407309686E+15
Altitude 67670277.619924

Triangular Pyramid

Length = n
Surface area 2.6438407309686E+15
Volume 5.6225811372833E+22
Height 36835033.538065