81490179 (number)

81490179 is an odd 8-digits composite number following 81490178 and preceding 81490180. In scientific notation, it is written as 8.1490179 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 53561480 positive integers (up to 81490179) that are relatively prime to 81490179.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred seventy-nine

Notation

Scientific notation 8.1490179 × 10^7
Engineering notation 8.1490179 × 10^6

Prime Factorization of 81490179

Prime Factorization 3 × 71 × 382583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81490179
Product of the distinct prime numbers

The prime factorization of 81490179 is 3 × 71 × 382583. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81490179)

Multiplication

n×y
n×2 162980358
n×3 244470537
n×4 325960716
n×5 407450895

Division

n÷y
n÷2 40745089.5
n÷3 27163393
n÷3 20372544.75
n÷5 16298035.8

Exponentiation

ny
n2 6640649273452041
n3 5.4114769796983E+23
n4 4.4098222772999E+31
n5 3.5935720673536E+39

Nth Root

y√n
2√n 9027.1910913639
3√n 433.54590707797
4√n 95.011531359956
5√n 38.213872860675

Divisors of 81490179

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 -81490178
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 81490179 can be divided by 8 positive divisors. The sum of these divisors (counting 81490179) is 1, the average is 0.125.

Base conversion 81490179

Base System Value
2 Binary 100110110110111000100000011
3 Ternary 12200100010111210
4 Quaternary 10312313010003
5 Quinary 131330141204
6 Senary 12030341203
8 Octal 466670403
10 Decimal 81490179
12 Duodecimal 2335a803
16 Hexadecimal 4db7103
20 Vigesimal 159658j
36 Base36 1cim83

Cryptographic Hash Functions

md5 3d1213d70037289fc5974fb723589706
sha1 12817dee91351a6b34b4e68ab115aefe7ae4444a
sha256 e1a9042b0908066802f47efbad4a39bafe4718e5b3e0981e8866d81ebcd2eaaa
sha512 ae62ea947b24e9b9ae2d95efe079fe7dd6276183bd07fbc470bf2c9978259e0dbc4e80bfaeb5bcef4da5456fd7852fb105cafc8cad1113f343a839728543636d
ripemd-160 af0fd248fc82e760838fe1ea40726774b3fce93f

81490179 as geometric shapes

Circle

Radius = n
Diameter 162980358
Circumference 512017895.37223
Area 2.0862214972543E+16

Sphere

Radius = n
Volume 2.2667541765987E+24
Surface area 8.3448859890173E+16
Circumference 512017895.37223

Square

Length = n
Perimeter 325960716
Area 6640649273452041
Diagonal 115244516.34201

Cube

Length = n
Surface area 39843895640712246
Volume 5.4114769796983E+23
Space diagonal 141145130.34588

Equilateral Triangle

Length = n
Perimeter 244470537
Area 2.8754854842161E+15
Altitude 70572565.172941

Triangular Pyramid

Length = n
Surface area 2.8754854842161E+15
Volume 6.3774867809659E+22
Height 38414838.78067