18280538 (number)

18280538 is an even 8-digits composite number following 18280537 and preceding 18280539. In scientific notation, it is written as 1.8280538 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8694576 positive integers (up to 18280538) that are relatively prime to 18280538.

Interesting facts

Basic properties

Name

Name eighteen million two hundred eighty thousand five hundred thirty-eight

Notation

Scientific notation 1.8280538 × 10^7
Engineering notation 1.8280538 × 10^6

Prime Factorization of 18280538

Prime Factorization 2 × 23 × 199 × 1997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18280538
Product of the distinct prime numbers

The prime factorization of 18280538 is 2 × 23 × 199 × 1997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 50, 10, 131, 554, 5567, 776, 55203, 16056, 767129, 324278, 9382551, 4100295, 51833752, 61416596, 473495163, 630770455, 2060129457, 2600331919

Basic calculations (n = 18280538)

Multiplication

n×y
n×2 36561076
n×3 54841614
n×4 73122152
n×5 91402690

Division

n÷y
n÷2 9140269
n÷3 6093512.6666667
n÷3 4570134.5
n÷5 3656107.6

Exponentiation

ny
n2 334178069569444
n3 6.1089548995309E+21
n4 1.1167498218116E+29
n5 2.041478755412E+36

Nth Root

y√n
2√n 4275.5745812698
3√n 263.42864074943
4√n 65.387877938267
5√n 28.339866140955

Divisors of 18280538

1, 2, 23, 46, 199, 398, 1997, 3994, 4577, 9154, 45931, 91862, 397403, 794806, 9140269, 18280538

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18280537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18280538 can be divided by 16 positive divisors. The sum of these divisors (counting 18280538) is 1, the average is 0.0625.

Base conversion 18280538

Base System Value
2 Binary 1000101101111000001011010
3 Ternary 1021101202011222
4 Quaternary 1011233001122
5 Quinary 14134434123
6 Senary 1451452042
8 Octal 105570132
10 Decimal 18280538
12 Duodecimal 6157022
16 Hexadecimal 116f05a
20 Vigesimal 5e516i
36 Base36 avtcq

Cryptographic Hash Functions

md5 c541c3f6a48b2bcc4261b5d1897d668c
sha1 ca9615a92138f7f471ccf303b797dfb3771801e2
sha256 e875a18a5173adc331f1f45476586fd334666290ceb5e55a4f1de12c22d37ffa
sha512 64be80f1cf74d0eac46582e9a28cdc65d862cf1816e87860f77a23e12a6ca8e81198b97761ce49b51846010ff0581bc90ef0a78f705ed04bfa10d11e0617fefc
ripemd-160 bb71ed5cd2e45bb299a681cd72d39c932badf1d9

18280538 as geometric shapes

Circle

Radius = n
Diameter 36561076
Circumference 114860007.76894
Area 1.0498513683502E+15

Sphere

Radius = n
Volume 2.5589130444637E+22
Surface area 4.1994054734007E+15
Circumference 114860007.76894

Square

Length = n
Perimeter 73122152
Area 334178069569444
Diagonal 25852584.767077

Cube

Length = n
Surface area 2005068417416664
Volume 6.1089548995309E+21
Space diagonal 31662820.605694

Equilateral Triangle

Length = n
Perimeter 54841614
Area 1.4470334881739E+14
Altitude 15831410.302847

Triangular Pyramid

Length = n
Surface area 1.4470334881739E+14
Volume 7.1994723923684E+20
Height 8617528.2556922