18081628 (number)

18081628 is an even 8-digits composite number following 18081627 and preceding 18081629. In scientific notation, it is written as 1.8081628 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 9040812 positive integers (up to 18081628) that are relatively prime to 18081628.

Interesting facts

Basic properties

Name

Name eighteen million eighty-one thousand six hundred twenty-eight

Notation

Scientific notation 1.8081628 × 10^7
Engineering notation 1.8081628 × 10^6

Prime Factorization of 18081628

Prime Factorization 2 × 2 × 4520407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9040814
Product of the distinct prime numbers

The prime factorization of 18081628 is 2 × 2 × 4520407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18081628)

Multiplication

n×y
n×2 36163256
n×3 54244884
n×4 72326512
n×5 90408140

Division

n÷y
n÷2 9040814
n÷3 6027209.3333333
n÷3 4520407
n÷5 3616325.6

Exponentiation

ny
n2 326945271130384
n3 5.9117027689387E+21
n4 1.0689321031452E+29
n5 1.9328032646329E+36

Nth Root

y√n
2√n 4252.2497574813
3√n 262.46970111364
4√n 65.209276621362
5√n 28.277922898861

Divisors of 18081628

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18081627
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18081628 can be divided by 6 positive divisors. The sum of these divisors (counting 18081628) is 1, the average is 0.16666666666667.

Base conversion 18081628

Base System Value
2 Binary 1000100111110011101011100
3 Ternary 1021000122022221
4 Quaternary 1010332131130
5 Quinary 14112103003
6 Senary 1443315124
8 Octal 104763534
10 Decimal 18081628
12 Duodecimal 607baa4
16 Hexadecimal 113e75c
20 Vigesimal 5d0418
36 Base36 arjvg

Cryptographic Hash Functions

md5 09dc032f6def5589a159e6a0d7cdd0fa
sha1 7a205ee05109508c2cee9e7c47897f0187a6f8f8
sha256 5dc191c2e8f011ea550930776806b10c5212c149566aef3cfe633e0aa10ab067
sha512 15aed1b86a635129ad559e5b3036308908493c92b304c25853503a15c8f582a3aa7784917e299690fdb26744b9fe3f2f44cbe03197a611cc4c7e78e0d4edcf97
ripemd-160 98c6074c1a49121625eec66be901055d5dc7b550

18081628 as geometric shapes

Circle

Radius = n
Diameter 36163256
Circumference 113610219.37949
Area 1.0271288619091E+15

Sphere

Radius = n
Volume 2.4762882652139E+22
Surface area 4.1085154476366E+15
Circumference 113610219.37949

Square

Length = n
Perimeter 72326512
Area 326945271130384
Diagonal 25571283.547385

Cube

Length = n
Surface area 1961671626782304
Volume 5.9117027689387E+21
Space diagonal 31318298.37956

Equilateral Triangle

Length = n
Perimeter 54244884
Area 1.4157145522305E+14
Altitude 15659149.18978

Triangular Pyramid

Length = n
Surface area 1.4157145522305E+14
Volume 6.9670085271265E+20
Height 8523761.1824617