68640908 (number)

68640908 is an even 8-digits composite number following 68640907 and preceding 68640909. In scientific notation, it is written as 6.8640908 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 29417520 positive integers (up to 68640908) that are relatively prime to 68640908.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred forty thousand nine hundred eight

Notation

Scientific notation 6.8640908 × 10^7
Engineering notation 6.8640908 × 10^6

Prime Factorization of 68640908

Prime Factorization 2 × 2 × 7 × 2451461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 34320454
Product of the distinct prime numbers

The prime factorization of 68640908 is 2 × 2 × 7 × 2451461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 96, 77, 929, 519, 3495, 6096, 83655, 31045, 520519, 178798, 6287306, 6861135, 58585887, 2925827, 189816011, 607722400, 749265232, 640706780

Basic calculations (n = 68640908)

Multiplication

n×y
n×2 137281816
n×3 205922724
n×4 274563632
n×5 343204540

Division

n÷y
n÷2 34320454
n÷3 22880302.666667
n÷3 17160227
n÷5 13728181.6

Exponentiation

ny
n2 4711574251064464
n3 3.2340673470248E+23
n4 2.2198931923294E+31
n5 1.5237548438451E+39

Nth Root

y√n
2√n 8284.9808690183
3√n 409.44383841703
4√n 91.021870278622
5√n 36.924668410613

Divisors of 68640908

1, 2, 4, 7, 14, 28, 2451461, 4902922, 9805844, 17160227, 34320454, 68640908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68640907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68640908 can be divided by 12 positive divisors. The sum of these divisors (counting 68640908) is 1, the average is 0.083333333333333.

Base conversion 68640908

Base System Value
2 Binary 100000101110110000010001100
3 Ternary 11210011022121212
4 Quaternary 10011312002030
5 Quinary 120033002113
6 Senary 10451113552
8 Octal 405660214
10 Decimal 68640908
12 Duodecimal 1aba28b8
16 Hexadecimal 417608c
20 Vigesimal 1190258
36 Base36 14v7nw

Cryptographic Hash Functions

md5 b7d54b41bf022c3f764a51ad1f402531
sha1 7f07b14e3f8465d53dc84253adbf130f79a9347b
sha256 6f0de5b61b552e80795a6e70008fad43b280a43dd130489b9212eb8478df0be1
sha512 4673636f9d51748cc57a57858fa573ec967a5a3044ac4990763e22c45069e5fb0f266426774decb4090e28e93351180ee3fdc3fcbea53834e3bb41c19cf14597
ripemd-160 9bcb5db79032760cfd7ea287b118afc09ec5b1d7

68640908 as geometric shapes

Circle

Radius = n
Diameter 137281816
Circumference 431283544.61707
Area 1.4801847053987E+16

Sphere

Radius = n
Volume 1.3546829624837E+24
Surface area 5.9207388215948E+16
Circumference 431283544.61707

Square

Length = n
Perimeter 274563632
Area 4711574251064464
Diagonal 97072903.027204

Cube

Length = n
Surface area 28269445506386784
Volume 3.2340673470248E+23
Space diagonal 118889540.13366

Equilateral Triangle

Length = n
Perimeter 205922724
Area 2.0401714966192E+15
Altitude 59444770.066831

Triangular Pyramid

Length = n
Surface area 2.0401714966192E+15
Volume 3.8113849198254E+22
Height 32357634.342401