81649103 (number)

81649103 is an odd 8-digits composite number following 81649102 and preceding 81649104. In scientific notation, it is written as 8.1649103 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 77702328 positive integers (up to 81649103) that are relatively prime to 81649103.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-nine thousand one hundred three

Notation

Scientific notation 8.1649103 × 10^7
Engineering notation 8.1649103 × 10^6

Prime Factorization of 81649103

Prime Factorization 23 × 199 × 17839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81649103
Product of the distinct prime numbers

The prime factorization of 81649103 is 23 × 199 × 17839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81649103)

Multiplication

n×y
n×2 163298206
n×3 244947309
n×4 326596412
n×5 408245515

Division

n÷y
n÷2 40824551.5
n÷3 27216367.666667
n÷3 20412275.75
n÷5 16329820.6

Exponentiation

ny
n2 6666576020704609
n3 5.4431995217184E+23
n4 4.4443235839834E+31
n5 3.6287503407399E+39

Nth Root

y√n
2√n 9035.9893204895
3√n 433.82756108986
4√n 95.057820932785
5√n 38.228766359697

Divisors of 81649103

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 -81649102
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 81649103 can be divided by 8 positive divisors. The sum of these divisors (counting 81649103) is 1, the average is 0.125.

Base conversion 81649103

Base System Value
2 Binary 100110111011101110111001111
3 Ternary 12200122012111212
4 Quaternary 10313131313033
5 Quinary 131400232403
6 Senary 12034005035
8 Octal 467356717
10 Decimal 81649103
12 Duodecimal 2341677b
16 Hexadecimal 4ddddcf
20 Vigesimal 15a62f3
36 Base36 1cm0un

Cryptographic Hash Functions

md5 2a3c17ccc31f61693742a0c78d1562f8
sha1 2d68b48e9e91020bf7546b8280c04559881f729b
sha256 1208c6d107c0f9c7278f87daa8eb610937b6d3afb7aa80dd35600c2cbdbaf3cf
sha512 1fce62ea6a3a049b01740d6394558676fbd0ad4c4869c40d1d29b17ca842d0929ae98d0149ba3ec2d73313512e2f9ffbda7558cc4a9e1735cccebd025d432932
ripemd-160 78bd2c973c687a994a04cef2d94858117cd3de60

81649103 as geometric shapes

Circle

Radius = n
Diameter 163298206
Circumference 513016444.31399
Area 2.0943666251243E+16

Sphere

Radius = n
Volume 2.2800420839272E+24
Surface area 8.3774665004974E+16
Circumference 513016444.31399

Square

Length = n
Perimeter 326596412
Area 6666576020704609
Diagonal 115469268.8182

Cube

Length = n
Surface area 39999456124227654
Volume 5.4431995217184E+23
Space diagonal 141420394.78842

Equilateral Triangle

Length = n
Perimeter 244947309
Area 2.8867120950952E+15
Altitude 70710197.394212

Triangular Pyramid

Length = n
Surface area 2.8867120950952E+15
Volume 6.4148721552641E+22
Height 38489756.272733