81649102 (number)

81649102 is an even 8-digits composite number following 81649101 and preceding 81649103. In scientific notation, it is written as 8.1649102 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 39507600 positive integers (up to 81649102) that are relatively prime to 81649102.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1649102 × 10^7
Engineering notation 8.1649102 × 10^6

Prime Factorization of 81649102

Prime Factorization 2 × 31 × 1316921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81649102
Product of the distinct prime numbers

The prime factorization of 81649102 is 2 × 31 × 1316921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81649102)

Multiplication

n×y
n×2 163298204
n×3 244947306
n×4 326596408
n×5 408245510

Division

n÷y
n÷2 40824551
n÷3 27216367.333333
n÷3 20412275.5
n÷5 16329820.4

Exponentiation

ny
n2 6666575857406404
n3 5.4431993217211E+23
n4 4.4443233662554E+31
n5 3.6287501185237E+39

Nth Root

y√n
2√n 9035.9892651552
3√n 433.82755931876
4√n 95.057820641729
5√n 38.228766266056

Divisors of 81649102

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 -81649101
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 81649102 can be divided by 8 positive divisors. The sum of these divisors (counting 81649102) is 1, the average is 0.125.

Base conversion 81649102

Base System Value
2 Binary 100110111011101110111001110
3 Ternary 12200122012111211
4 Quaternary 10313131313032
5 Quinary 131400232402
6 Senary 12034005034
8 Octal 467356716
10 Decimal 81649102
12 Duodecimal 2341677a
16 Hexadecimal 4ddddce
20 Vigesimal 15a62f2
36 Base36 1cm0um

Cryptographic Hash Functions

md5 9f8c02718cd019f1998f5b41bf3bfcd8
sha1 df5fc484b5d33eaa8db66b436614ae0b5822c910
sha256 04f991b167462e36040ead95b7e991701ecc4d932747ae8ba192d1859ade69f9
sha512 f6e99db59d95690f76066c85236b44ef4ebd7b8d6b96acf54afe0374633c9a8383c60725797a3b42453b92c83e056a43d861c49865be2bcac285f697bdb686e1
ripemd-160 4e2d8e87890ddceacba354889d08328a3b13f4a8

81649102 as geometric shapes

Circle

Radius = n
Diameter 163298204
Circumference 513016438.03081
Area 2.0943665738227E+16

Sphere

Radius = n
Volume 2.2800420001525E+24
Surface area 8.3774662952908E+16
Circumference 513016438.03081

Square

Length = n
Perimeter 326596408
Area 6666575857406404
Diagonal 115469267.40398

Cube

Length = n
Surface area 39999455144438424
Volume 5.4431993217211E+23
Space diagonal 141420393.05637

Equilateral Triangle

Length = n
Perimeter 244947306
Area 2.886712024385E+15
Altitude 70710196.528187

Triangular Pyramid

Length = n
Surface area 2.886712024385E+15
Volume 6.414871919565E+22
Height 38489755.801328