68638907 (number)

68638907 is an odd 8-digits composite number following 68638906 and preceding 68638908. In scientific notation, it is written as 6.8638907 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 67698576 positive integers (up to 68638907) that are relatively prime to 68638907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8638907 × 10^7
Engineering notation 6.8638907 × 10^6

Prime Factorization of 68638907

Prime Factorization 73 × 940259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68638907
Product of the distinct prime numbers

The prime factorization of 68638907 is 73 × 940259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68638907)

Multiplication

n×y
n×2 137277814
n×3 205916721
n×4 274555628
n×5 343194535

Division

n÷y
n÷2 34319453.5
n÷3 22879635.666667
n÷3 17159726.75
n÷5 13727781.4

Exponentiation

ny
n2 4711299554154649
n3 3.2337845194676E+23
n4 2.2196343488978E+31
n5 1.52353275648E+39

Nth Root

y√n
2√n 8284.860107449
3√n 409.43985971538
4√n 91.021206910527
5√n 36.924453124641

Divisors of 68638907

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 -68638906
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 68638907 can be divided by 4 positive divisors. The sum of these divisors (counting 68638907) is 1, the average is 0.25.

Base conversion 68638907

Base System Value
2 Binary 100000101110101100010111011
3 Ternary 11210011012212202
4 Quaternary 10011311202323
5 Quinary 120032421112
6 Senary 10451100415
8 Octal 405654273
10 Decimal 68638907
12 Duodecimal 1aba170b
16 Hexadecimal 41758bb
20 Vigesimal 118jh57
36 Base36 14v64b

Cryptographic Hash Functions

md5 1f94b625352cb0802ca957d9f485e772
sha1 173035f08874e8cfa422a2cf227162dfa0e3a989
sha256 cf241dc0b9525d36fd880e89f48605fe865243fa841530ea2ae4ec1b7b1e58f4
sha512 fbd65a26765f56525922ee1d148275a535a7296d407b07bfea54dc3e21aade7d66d16ba2df872e62cf173a634022bab50ab180fc7568d0d036821d3b6de2c74e
ripemd-160 4bf635698f6fb20eb2a63744037b7958ce7476b6

68638907 as geometric shapes

Circle

Radius = n
Diameter 137277814
Circumference 431270971.96327
Area 1.4800984068193E+16

Sphere

Radius = n
Volume 1.3545644919536E+24
Surface area 5.9203936272772E+16
Circumference 431270971.96327

Square

Length = n
Perimeter 274555628
Area 4711299554154649
Diagonal 97070073.185866

Cube

Length = n
Surface area 28267797324927894
Volume 3.2337845194676E+23
Space diagonal 118886074.3

Equilateral Triangle

Length = n
Perimeter 205916721
Area 2.0400525493681E+15
Altitude 59443037.149998

Triangular Pyramid

Length = n
Surface area 2.0400525493681E+15
Volume 3.8110516043527E+22
Height 32356691.061955