81170087 (number)

81170087 is an odd 8-digits composite number following 81170086 and preceding 81170088. In scientific notation, it is written as 8.1170087 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 75347712 positive integers (up to 81170087) that are relatively prime to 81170087.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy thousand eighty-seven

Notation

Scientific notation 8.1170087 × 10^7
Engineering notation 8.1170087 × 10^6

Prime Factorization of 81170087

Prime Factorization 17 × 73 × 65407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81170087
Product of the distinct prime numbers

The prime factorization of 81170087 is 17 × 73 × 65407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81170087)

Multiplication

n×y
n×2 162340174
n×3 243510261
n×4 324680348
n×5 405850435

Division

n÷y
n÷2 40585043.5
n÷3 27056695.666667
n÷3 20292521.75
n÷5 16234017.4

Exponentiation

ny
n2 6588583023587569
n3 5.3479585723133E+23
n4 4.3409426258706E+31
n5 3.5235469060393E+39

Nth Root

y√n
2√n 9009.4443224874
3√n 432.97750862343
4√n 94.91809270359
5√n 38.183804895863

Divisors of 81170087

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 -81170086
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 81170087 can be divided by 8 positive divisors. The sum of these divisors (counting 81170087) is 1, the average is 0.125.

Base conversion 81170087

Base System Value
2 Binary 100110101101000111010100111
3 Ternary 12122201212102112
4 Quaternary 10311220322213
5 Quinary 131234420322
6 Senary 12015431235
8 Octal 465507247
10 Decimal 81170087
12 Duodecimal 2322551b
16 Hexadecimal 4d68ea7
20 Vigesimal 1576547
36 Base36 1cbr8n

Cryptographic Hash Functions

md5 b0f8a013309fe11271aecec6206cfc69
sha1 c223b5614311f042605e5087120bcd1f349b64b2
sha256 e508e2c1e7f9785e8e219a5da3308b26ac5ab5ac0aae44c22e47eddb35f4d354
sha512 b0aa6e9d34369a2143c7392c9f3dbc25add1b2d69970244ec30b6a1978eae2af2a92615c122e69e5df62ff373c66d70bba55a3b9ade07a0c972c9b4bd894d4ec
ripemd-160 6142dfda2363e0cf887b13b4f22a5ba9b04e3578

81170087 as geometric shapes

Circle

Radius = n
Diameter 162340174
Circumference 510006698.02089
Area 2.0698644024469E+16

Sphere

Radius = n
Volume 2.2401476483309E+24
Surface area 8.2794576097877E+16
Circumference 510006698.02089

Square

Length = n
Perimeter 324680348
Area 6588583023587569
Diagonal 114791837.8944

Cube

Length = n
Surface area 39531498141525414
Volume 5.3479585723133E+23
Space diagonal 140590714.73879

Equilateral Triangle

Length = n
Perimeter 243510261
Area 2.8529401366849E+15
Altitude 70295357.369393

Triangular Pyramid

Length = n
Surface area 2.8529401366849E+15
Volume 6.3026296199791E+22
Height 38263945.964801