68675981 (number)

68675981 is an odd 8-digits composite number following 68675980 and preceding 68675982. In scientific notation, it is written as 6.8675981 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 62345520 positive integers (up to 68675981) that are relatively prime to 68675981.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 6.8675981 × 10^7
Engineering notation 6.8675981 × 10^6

Prime Factorization of 68675981

Prime Factorization 11 × 787 × 7933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68675981
Product of the distinct prime numbers

The prime factorization of 68675981 is 11 × 787 × 7933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 7, 90, 660, 438, 6429, 6685, 11533, 50340, 964382, 247234, 8243440, 552002, 92102302, 13800297, 119414130, 886841985, 5742667341, 7917485225

Basic calculations (n = 68675981)

Multiplication

n×y
n×2 137351962
n×3 206027943
n×4 274703924
n×5 343379905

Division

n÷y
n÷2 34337990.5
n÷3 22891993.666667
n÷3 17168995.25
n÷5 13735196.2

Exponentiation

ny
n2 4716390366312361
n3 3.2390273518545E+23
n4 2.2244338087444E+31
n5 1.5276517398509E+39

Nth Root

y√n
2√n 8287.0972601991
3√n 409.51356349776
4√n 91.0334952652
5√n 36.928441071328

Divisors of 68675981

1, 11, 787, 7933, 8657, 87263, 6243271, 68675981

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 -68675980
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 68675981 can be divided by 8 positive divisors. The sum of these divisors (counting 68675981) is 1, the average is 0.125.

Base conversion 68675981

Base System Value
2 Binary 100000101111110100110001101
3 Ternary 11210020002201212
4 Quaternary 10011332212031
5 Quinary 120040112411
6 Senary 10451544205
8 Octal 405764615
10 Decimal 68675981
12 Duodecimal 1abbb065
16 Hexadecimal 417e98d
20 Vigesimal 11949j1
36 Base36 14vyq5

Cryptographic Hash Functions

md5 9a005751f149476b22883c9ae592f191
sha1 668062c3469818c03c15d4eab421d63dc421b703
sha256 eafcf5e603a78b8cc6c9b789a320dafe9db77da2587f8299e4e1256eca722453
sha512 d86a06bd36b54c681c89be6a8ac9e16017d56627c74c1ae0f417fada7a8097fb8fb6859c6ad9384a17e5bed830491ffdef1c428e36c557f5016b16f6260d56a0
ripemd-160 930a69cc1f9d663e239c0332c6bb446d82245a14

68675981 as geometric shapes

Circle

Radius = n
Diameter 137351962
Circumference 431503914.77534
Area 1.4816977326269E+16

Sphere

Radius = n
Volume 1.3567606044483E+24
Surface area 5.9267909305074E+16
Circumference 431503914.77534

Square

Length = n
Perimeter 274703924
Area 4716390366312361
Diagonal 97122503.739477

Cube

Length = n
Surface area 28298342197874166
Volume 3.2390273518545E+23
Space diagonal 118950288.35163

Equilateral Triangle

Length = n
Perimeter 206027943
Area 2.0422569356953E+15
Altitude 59475144.175817

Triangular Pyramid

Length = n
Surface area 2.0422569356953E+15
Volume 3.817230341575E+22
Height 32374167.913159