81490166 (number)

81490166 is an even 8-digits composite number following 81490165 and preceding 81490167. In scientific notation, it is written as 8.1490166 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 40731120 positive integers (up to 81490166) that are relatively prime to 81490166.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred sixty-six

Notation

Scientific notation 8.1490166 × 10^7
Engineering notation 8.1490166 × 10^6

Prime Factorization of 81490166

Prime Factorization 2 × 4153 × 9811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81490166
Product of the distinct prime numbers

The prime factorization of 81490166 is 2 × 4153 × 9811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81490166)

Multiplication

n×y
n×2 162980332
n×3 244470498
n×4 325960664
n×5 407450830

Division

n÷y
n÷2 40745083
n÷3 27163388.666667
n÷3 20372541.5
n÷5 16298033.2

Exponentiation

ny
n2 6640647154707556
n3 5.4114743898455E+23
n4 4.4098194633326E+31
n5 3.59356920097E+39

Nth Root

y√n
2√n 9027.1903713171
3√n 433.54588402367
4√n 95.011527570696
5√n 38.213871641435

Divisors of 81490166

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 -81490165
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 81490166 can be divided by 8 positive divisors. The sum of these divisors (counting 81490166) is 1, the average is 0.125.

Base conversion 81490166

Base System Value
2 Binary 100110110110111000011110110
3 Ternary 12200100010111022
4 Quaternary 10312313003312
5 Quinary 131330141131
6 Senary 12030341142
8 Octal 466670366
10 Decimal 81490166
12 Duodecimal 2335a7b2
16 Hexadecimal 4db70f6
20 Vigesimal 1596586
36 Base36 1cim7q

Cryptographic Hash Functions

md5 a80dfb7182886244e1d6bbf8a01d0679
sha1 d9f48773059ecbb0233dc611b446763087e7fd0a
sha256 b2ff57f2e641e63b1be52c89c6a5e29fe13c0423db4ab0ec1c6ae4bac8d2e6d5
sha512 2f119ff2cb6d4ceccee5dda5aaf8aa6a112c44c9cce99a293edd04cb98a951f2ce4b46bac3ed6478380e678430cc1e9a9fe440b83fc404e954b4f6048fc6dcec
ripemd-160 75c7a5c3ef22b56ea6f0e8faeeae9558fae73d6c

81490166 as geometric shapes

Circle

Radius = n
Diameter 162980332
Circumference 512017813.69083
Area 2.0862208316311E+16

Sphere

Radius = n
Volume 2.2667530917637E+24
Surface area 8.3448833265245E+16
Circumference 512017813.69083

Square

Length = n
Perimeter 325960664
Area 6640647154707556
Diagonal 115244497.95723

Cube

Length = n
Surface area 39843882928245336
Volume 5.4114743898455E+23
Space diagonal 141145107.82922

Equilateral Triangle

Length = n
Perimeter 244470498
Area 2.8754845667728E+15
Altitude 70572553.914611

Triangular Pyramid

Length = n
Surface area 2.8754845667728E+15
Volume 6.3774837287951E+22
Height 38414832.652412