18157420 (number)

18157420 is an even 8-digits composite number following 18157419 and preceding 18157421. In scientific notation, it is written as 1.8157420 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 7262960 positive integers (up to 18157420) that are relatively prime to 18157420.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-seven thousand four hundred twenty

Notation

Scientific notation 1.8157420 × 10^7
Engineering notation 1.8157420 × 10^6

Prime Factorization of 18157420

Prime Factorization 2 × 2 × 5 × 907871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9078710
Product of the distinct prime numbers

The prime factorization of 18157420 is 2 × 2 × 5 × 907871. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 97, 91, 49, 808, 122, 8306, 45646, 96463, 59839, 590623, 6148220, 6826442, 10557688, 6938344, 293066638, 441666583, 7277612389, 6029725975

Basic calculations (n = 18157420)

Multiplication

n×y
n×2 36314840
n×3 54472260
n×4 72629680
n×5 90787100

Division

n÷y
n÷2 9078710
n÷3 6052473.3333333
n÷3 4539355
n÷5 3631484

Exponentiation

ny
n2 329691901056400
n3 5.9863543180795E+21
n4 1.0869674962218E+29
n5 1.9736525355248E+36

Nth Root

y√n
2√n 4261.1524262809
3√n 262.83591764208
4√n 65.277503217272
5√n 28.301589527235

Divisors of 18157420

1, 2, 4, 5, 10, 20, 907871, 1815742, 3631484, 4539355, 9078710, 18157420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18157419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18157420 can be divided by 12 positive divisors. The sum of these divisors (counting 18157420) is 1, the average is 0.083333333333333.

Base conversion 18157420

Base System Value
2 Binary 1000101010000111101101100
3 Ternary 1021011111022001
4 Quaternary 1011100331230
5 Quinary 14122014140
6 Senary 1445102044
8 Octal 105207554
10 Decimal 18157420
12 Duodecimal 60b7924
16 Hexadecimal 1150f6c
20 Vigesimal 5d9db0
36 Base36 at6cs

Cryptographic Hash Functions

md5 2ed45fdb313c2caefb42e65e8bbc4ee6
sha1 c2414efcf4a9809d2f721aef8bb6ec4920061b70
sha256 63c7968f96a7aff3286b9cbed4c2b7a065faf8afcacff7b7a8a142677396a848
sha512 ba722d3fe016a04497bc950169fc01350f3ead05cd51f5d8347510477098016699e409cb15c51443a685839f5c4b010c52129629cb0d3252c2bd2fea5f6d27e8
ripemd-160 53fd7c041e9e5d4a5e302839ccd2a2edc6ec68fd

18157420 as geometric shapes

Circle

Radius = n
Diameter 36314840
Circumference 114086434.56029
Area 1.0357576543068E+15

Sphere

Radius = n
Volume 2.5075582329952E+22
Surface area 4.1430306172274E+15
Circumference 114086434.56029

Square

Length = n
Perimeter 72629680
Area 329691901056400
Diagonal 25678469.621704

Cube

Length = n
Surface area 1978151406338400
Volume 5.9863543180795E+21
Space diagonal 31449573.974367

Equilateral Triangle

Length = n
Perimeter 54472260
Area 1.4276078086841E+14
Altitude 15724786.987184

Triangular Pyramid

Length = n
Surface area 1.4276078086841E+14
Volume 7.054986221499E+20
Height 8559489.8739015