18394021 (number)

18394021 is an odd 8-digits composite number following 18394020 and preceding 18394022. In scientific notation, it is written as 1.8394021 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18046912 positive integers (up to 18394021) that are relatively prime to 18394021.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-four thousand twenty-one

Notation

Scientific notation 1.8394021 × 10^7
Engineering notation 1.8394021 × 10^6

Prime Factorization of 18394021

Prime Factorization 53 × 347057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18394021
Product of the distinct prime numbers

The prime factorization of 18394021 is 53 × 347057. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18394021)

Multiplication

n×y
n×2 36788042
n×3 55182063
n×4 73576084
n×5 91970105

Division

n÷y
n÷2 9197010.5
n÷3 6131340.3333333
n÷3 4598505.25
n÷5 3678804.2

Exponentiation

ny
n2 338340008548441
n3 6.2234332223802E+21
n4 1.1447396138456E+29
n5 2.1056364496608E+36

Nth Root

y√n
2√n 4288.825130499
3√n 263.9726259113
4√n 65.489122230329
5√n 28.374965071037

Divisors of 18394021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18394020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18394021 can be divided by 4 positive divisors. The sum of these divisors (counting 18394021) is 1, the average is 0.25.

Base conversion 18394021

Base System Value
2 Binary 1000110001010101110100101
3 Ternary 1021121111212001
4 Quaternary 1012022232211
5 Quinary 14202102041
6 Senary 1454125301
8 Octal 106125645
10 Decimal 18394021
12 Duodecimal 61b0831
16 Hexadecimal 118aba5
20 Vigesimal 5ej511
36 Base36 ay8x1

Cryptographic Hash Functions

md5 4c20a618fa15a055750dd401f436cea2
sha1 2b9688d448255663528c6926af27739224cd8a0b
sha256 ade48a9c7b188a8eb8d5209e85879c0ecf6820135743e447181ead9d6828395e
sha512 5880adea9e244c2853925c3aadea00307ed6ec501cb39ba1f73b757a38cfd6c2bf4516048dc912df632e96eaf3cf8e72bf4cf8407b2abff5cc9d62b70d9b0b18
ripemd-160 63d65f38ea29951bcbeebdcbb685a793533bfe85

18394021 as geometric shapes

Circle

Radius = n
Diameter 36788042
Circumference 115573042.48715
Area 1.0629264852713E+15

Sphere

Radius = n
Volume 2.6068656122048E+22
Surface area 4.2517059410852E+15
Circumference 115573042.48715

Square

Length = n
Perimeter 73576084
Area 338340008548441
Diagonal 26013073.964776

Cube

Length = n
Surface area 2030040051290646
Volume 6.2234332223802E+21
Space diagonal 31859378.927489

Equilateral Triangle

Length = n
Perimeter 55182063
Area 1.465055212598E+14
Altitude 15929689.463744

Triangular Pyramid

Length = n
Surface area 1.465055212598E+14
Volume 7.3343863896778E+20
Height 8671024.6549252