81490122 (number)

81490122 is an even 8-digits composite number following 81490121 and preceding 81490123. In scientific notation, it is written as 8.1490122 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 23100480 positive integers (up to 81490122) that are relatively prime to 81490122.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred twenty-two

Notation

Scientific notation 8.1490122 × 10^7
Engineering notation 8.1490122 × 10^6

Prime Factorization of 81490122

Prime Factorization 2 × 21 × 3 × 131 × 4937

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81490122
Product of the distinct prime numbers

The prime factorization of 81490122 is 2 × 21 × 3 × 131 × 4937. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 64, 100, 265, 733, 2756, 5822, 97011, 48708, 785481, 222886, 8506059, 1299439, 3960949, 7910855, 145998925, 378689631, 7109150742, 9143119893

Basic calculations (n = 81490122)

Multiplication

n×y
n×2 162980244
n×3 244470366
n×4 325960488
n×5 407450610

Division

n÷y
n÷2 40745061
n÷3 27163374
n÷3 20372530.5
n÷5 16298024.4

Exponentiation

ny
n2 6640639983574884
n3 5.411465624196E+23
n4 4.4098099391453E+31
n5 3.5935594993777E+39

Nth Root

y√n
2√n 9027.1879342351
3√n 433.54580599372
4√n 95.011514745504
5√n 38.213867514776

Divisors of 81490122

1, 2, 3, 6, 21, 42, 63, 126, 131, 262, 393, 786, 2751, 4937, 5502, 8253, 9874, 14811, 16506, 29622, 103677, 207354, 311031, 622062, 646747, 1293494, 1940241, 3880482, 13581687, 27163374, 40745061, 81490122

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81490121
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490122 can be divided by 32 positive divisors. The sum of these divisors (counting 81490122) is 1, the average is 0.03125.

Base conversion 81490122

Base System Value
2 Binary 100110110110111000011001010
3 Ternary 12200100010102200
4 Quaternary 10312313003022
5 Quinary 131330140442
6 Senary 12030341030
8 Octal 466670312
10 Decimal 81490122
12 Duodecimal 2335a776
16 Hexadecimal 4db70ca
20 Vigesimal 1596562
36 Base36 1cim6i

Cryptographic Hash Functions

md5 37fdfc78a203bf35f351229dacf956a8
sha1 0e31f542ca1df5fbc7f1e4a0527a6dc44d0982e4
sha256 ea9ab082a470816b2b5ec8446fbd806c9ccc9ffac61112640adde760b12f33da
sha512 d0b9fc20f80aa6833b5d9ac390d3c622e0e3485d79d6c30a58be03bf6fda86d3048a98d193b616002902d359a505e2b84ea954d34e63c4f0e286deadf26ceada
ripemd-160 8e9e5c07ea6178243aa66b55fa2731d221441c2e

81490122 as geometric shapes

Circle

Radius = n
Diameter 162980244
Circumference 512017537.23067
Area 2.0862185787534E+16

Sphere

Radius = n
Volume 2.266749420017E+24
Surface area 8.3448743150134E+16
Circumference 512017537.23067

Square

Length = n
Perimeter 325960488
Area 6640639983574884
Diagonal 115244435.73184

Cube

Length = n
Surface area 39843839901449304
Volume 5.411465624196E+23
Space diagonal 141145031.61899

Equilateral Triangle

Length = n
Perimeter 244470366
Area 2.8754814615813E+15
Altitude 70572515.809493

Triangular Pyramid

Length = n
Surface area 2.8754814615813E+15
Volume 6.3774733983781E+22
Height 38414811.910613