18081631 (number)

18081631 is an odd 8-digits prime number following 18081630 and preceding 18081632. In scientific notation, it is written as 1.8081631 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 18081630 positive integers (up to 18081631) that are relatively prime to 18081631.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred thirty-one

Notation

Scientific notation 1.8081631 × 10^7
Engineering notation 1.8081631 × 10^6

Prime Factorization of 18081631

Prime Factorization 18081631

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18081631
Product of the distinct prime numbers

The prime factorization of 18081631 is 18081631. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081631)

Multiplication

n×y
n×2 36163262
n×3 54244893
n×4 72326524
n×5 90408155

Division

n÷y
n÷2 9040815.5
n÷3 6027210.3333333
n÷3 4520407.75
n÷5 3616326.2

Exponentiation

ny
n2 326945379620161
n3 5.9117057114467E+21
n4 1.0689328125497E+29
n5 1.9328048680316E+36

Nth Root

y√n
2√n 4252.2501102358
3√n 262.46971562946
4√n 65.209279326149
5√n 28.277923837203

Divisors of 18081631

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18081632
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9040816
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4252.2502278206
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998893905
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081631 can be divided by 2 positive divisors. The sum of these divisors (counting 18081631) is 18081632, the average is 9040816.

Base conversion 18081631

Base System Value
2 Binary 1000100111110011101011111
3 Ternary 1021000122100001
4 Quaternary 1010332131133
5 Quinary 14112103011
6 Senary 1443315131
8 Octal 104763537
10 Decimal 18081631
12 Duodecimal 607baa7
16 Hexadecimal 113e75f
20 Vigesimal 5d041b
36 Base36 arjvj

Cryptographic Hash Functions

md5 9034185d2e8b1bca4d738922e8e8d002
sha1 ff800622b8ced3bbbd6fceea26306f4dc91488d0
sha256 f883bdc11068156f99d5de9f423f10ad4b7b66c6c94875b33da9d2d7c5e96c3c
sha512 e0a45e78b059d2257a6c7fb1268841a516563386eb9072c9c7dd41227d4f9d68cc5cf4e3454a3b0c5082f8c81d80ac95e2dbd52923eae96e8904a590066fabb1
ripemd-160 3ae36c3c91780a80407db047434ff49e48238342

18081631 as geometric shapes

Circle

Radius = n
Diameter 36163262
Circumference 113610238.22904
Area 1.0271292027398E+15

Sphere

Radius = n
Volume 2.4762894977688E+22
Surface area 4.1085168109593E+15
Circumference 113610238.22904

Square

Length = n
Perimeter 72326524
Area 326945379620161
Diagonal 25571287.790026

Cube

Length = n
Surface area 1961672277720966
Volume 5.9117057114467E+21
Space diagonal 31318303.575712

Equilateral Triangle

Length = n
Perimeter 54244893
Area 1.415715022005E+14
Altitude 15659151.787856

Triangular Pyramid

Length = n
Surface area 1.415715022005E+14
Volume 6.9670119949053E+20
Height 8523762.5966753