68639739 (number)

68639739 is an odd 8-digits composite number following 68639738 and preceding 68639740. In scientific notation, it is written as 6.8639739 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors. There are 38307024 positive integers (up to 68639739) that are relatively prime to 68639739.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8639739 × 10^7
Engineering notation 6.8639739 × 10^6

Prime Factorization of 68639739

Prime Factorization 129 × 7 × 7 × 10859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9805677
Product of the distinct prime numbers

The prime factorization of 68639739 is 129 × 7 × 7 × 10859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 56, 99, 455, 508, 2569, 8093, 22316, 18439, 432376, 78257, 8840930, 4849228, 37776472, 28369554, 904811902, 12262615, 1774437182, 7860216630

Basic calculations (n = 68639739)

Multiplication

n×y
n×2 137279478
n×3 205919217
n×4 274558956
n×5 343198695

Division

n÷y
n÷2 34319869.5
n÷3 22879913
n÷3 17159934.75
n÷5 13727947.8

Exponentiation

ny
n2 4711413769988121
n3 3.2339021149299E+23
n4 2.2197419712034E+31
n5 1.5236250955074E+39

Nth Root

y√n
2√n 8284.9103193698
3√n 409.44151403751
4√n 91.021482735505
5√n 36.924542639458

Divisors of 68639739

1, 7, 49, 129, 903, 6321, 10859, 76013, 532091, 1400811, 9805677, 68639739

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 -68639738
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 68639739 can be divided by 12 positive divisors. The sum of these divisors (counting 68639739) is 1, the average is 0.083333333333333.

Base conversion 68639739

Base System Value
2 Binary 100000101110101101111111011
3 Ternary 11210011021000120
4 Quaternary 10011311233323
5 Quinary 120032432424
6 Senary 10451104323
8 Octal 405655773
10 Decimal 68639739
12 Duodecimal 1aba20a3
16 Hexadecimal 4175bfb
20 Vigesimal 118jj6j
36 Base36 14v6rf

Cryptographic Hash Functions

md5 119dff7a79a428478b92e5e1128e46c0
sha1 cc03157b84635697693dbf9555ad82676ce3e859
sha256 99a46afd2fa4a9bf582cf868662ca6f52de2e69dac6305f157ae759687263e02
sha512 b48ee77ed5957112f1f40c26977aa60d6ab71fc5c7ecc3939d0c52f6c48909c764bb305c4b8269c64f5d16c7a3459784125e344843e55234d1ef5a39d2f57457
ripemd-160 cad0a401db4d297d72c290459ed17cf3db1b5497

68639739 as geometric shapes

Circle

Radius = n
Diameter 137279478
Circumference 431276199.57344
Area 1.4801342887816E+16

Sphere

Radius = n
Volume 1.3546137502256E+24
Surface area 5.9205371551266E+16
Circumference 431276199.57344

Square

Length = n
Perimeter 274558956
Area 4711413769988121
Diagonal 97071249.811549

Cube

Length = n
Surface area 28268482619928726
Volume 3.2339021149299E+23
Space diagonal 118887515.36627

Equilateral Triangle

Length = n
Perimeter 205919217
Area 2.0401020062748E+15
Altitude 59443757.683133

Triangular Pyramid

Length = n
Surface area 2.0401020062748E+15
Volume 3.8111901919341E+22
Height 32357083.270516