68561909 (number)

68561909 is an odd 8-digits composite number following 68561908 and preceding 68561910. In scientific notation, it is written as 6.8561909 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 61815600 positive integers (up to 68561909) that are relatively prime to 68561909.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred sixty-one thousand nine hundred nine

Notation

Scientific notation 6.8561909 × 10^7
Engineering notation 6.8561909 × 10^6

Prime Factorization of 68561909

Prime Factorization 13 × 43 × 122651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68561909
Product of the distinct prime numbers

The prime factorization of 68561909 is 13 × 43 × 122651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68561909)

Multiplication

n×y
n×2 137123818
n×3 205685727
n×4 274247636
n×5 342809545

Division

n÷y
n÷2 34280954.5
n÷3 22853969.666667
n÷3 17140477.25
n÷5 13712381.8

Exponentiation

ny
n2 4700735365724281
n3 3.2229139037787E+23
n4 2.2096912978571E+31
n5 1.5150065368177E+39

Nth Root

y√n
2√n 8280.211893424
3√n 409.28670145807
4√n 90.995669641055
5√n 36.916165155713

Divisors of 68561909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68561908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68561909 can be divided by 8 positive divisors. The sum of these divisors (counting 68561909) is 1, the average is 0.125.

Base conversion 68561909

Base System Value
2 Binary 100000101100010101111110101
3 Ternary 11210000022020222
4 Quaternary 10011202233311
5 Quinary 120022440114
6 Senary 10445304125
8 Octal 405425765
10 Decimal 68561909
12 Duodecimal 1ab65045
16 Hexadecimal 4162bf5
20 Vigesimal 118a4f9
36 Base36 14tiph

Cryptographic Hash Functions

md5 c0d44aab289a6276e54ed5f0dabfba9e
sha1 1bf32f5cd35ef5050b7a4cf3f1f04053dafefccb
sha256 d6bb437901a4b95897380e8666a283ff33066df4c18367e1ab27e00cf54d1954
sha512 d42973dc5d8a710c7547cf799fab8cfdfbb27ddb48e99db9b1662f24ea8aed397479dee0133acd636ec9b5da7e57c898ea4fd4a7ba7f2230861048558917087f
ripemd-160 5b7d1fef38cdc34e2b93bd92328a96342be09893

68561909 as geometric shapes

Circle

Radius = n
Diameter 137123818
Circumference 430787179.26098
Area 1.4767795691429E+16

Sphere

Radius = n
Volume 1.3500110191018E+24
Surface area 5.9071182765717E+16
Circumference 430787179.26098

Square

Length = n
Perimeter 274247636
Area 4700735365724281
Diagonal 96961181.56999

Cube

Length = n
Surface area 28204412194345686
Volume 3.2229139037787E+23
Space diagonal 118752709.85191

Equilateral Triangle

Length = n
Perimeter 205685727
Area 2.0354781215926E+15
Altitude 59376354.925957

Triangular Pyramid

Length = n
Surface area 2.0354781215926E+15
Volume 3.7982404609039E+22
Height 32320393.856663