68538081 (number)

68538081 is an odd 8-digits composite number following 68538080 and preceding 68538082. In scientific notation, it is written as 6.8538081 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 45692052 positive integers (up to 68538081) that are relatively prime to 68538081.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred thirty-eight thousand eighty-one

Notation

Scientific notation 6.8538081 × 10^7
Engineering notation 6.8538081 × 10^6

Prime Factorization of 68538081

Prime Factorization 3 × 22846027

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68538081
Product of the distinct prime numbers

The prime factorization of 68538081 is 3 × 22846027. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68538081)

Multiplication

n×y
n×2 137076162
n×3 205614243
n×4 274152324
n×5 342690405

Division

n÷y
n÷2 34269040.5
n÷3 22846027
n÷3 17134520.25
n÷5 13707616.2

Exponentiation

ny
n2 4697468547162561
n3 3.2195547978038E+23
n4 2.2066210751582E+31
n5 1.512375739855E+39

Nth Root

y√n
2√n 8278.7729163204
3√n 409.23928147578
4√n 90.987762453642
5√n 36.913598830751

Divisors of 68538081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68538080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68538081 can be divided by 4 positive divisors. The sum of these divisors (counting 68538081) is 1, the average is 0.25.

Base conversion 68538081

Base System Value
2 Binary 100000101011100111011100001
3 Ternary 11202222002120110
4 Quaternary 10011130323201
5 Quinary 120021204311
6 Senary 10445001533
8 Octal 405347341
10 Decimal 68538081
12 Duodecimal 1ab532a9
16 Hexadecimal 415cee1
20 Vigesimal 1187541
36 Base36 14t0bl

Cryptographic Hash Functions

md5 f587a8e2435b9c6fea91ecf6f349151f
sha1 06cf2d34cf622c2c17694bc6b78b70ef78c34ab2
sha256 28a1e90113792a32402d2d25315357dcaf43a050ad1dc5fd811f0fa31b814afb
sha512 6c6036952ab9012bda51b4e0f7fdf1f64eebab9763b97cc509854e92aa5c5633dc4a7663190ddb67ff56e2e6c75233a1fef31134affd9ce0e5cf2d537b074485
ripemd-160 b293aeebc62067b923050090ef24ebf99379643f

68538081 as geometric shapes

Circle

Radius = n
Diameter 137076162
Circumference 430637463.52148
Area 1.4757532678235E+16

Sphere

Radius = n
Volume 1.3486039600814E+24
Surface area 5.903013071294E+16
Circumference 430637463.52148

Square

Length = n
Perimeter 274152324
Area 4697468547162561
Diagonal 96927483.689226

Cube

Length = n
Surface area 28184811282975366
Volume 3.2195547978038E+23
Space diagonal 118711438.54527

Equilateral Triangle

Length = n
Perimeter 205614243
Area 2.0340635476606E+15
Altitude 59355719.272636

Triangular Pyramid

Length = n
Surface area 2.0340635476606E+15
Volume 3.7942817165479E+22
Height 32309161.229742