18389961 (number)

18389961 is an odd 8-digits composite number following 18389960 and preceding 18389962. In scientific notation, it is written as 1.8389961 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 12259968 positive integers (up to 18389961) that are relatively prime to 18389961.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-nine thousand nine hundred sixty-one

Notation

Scientific notation 1.8389961 × 10^7
Engineering notation 1.8389961 × 10^6

Prime Factorization of 18389961

Prime Factorization 3 × 3 × 2043329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6129987
Product of the distinct prime numbers

The prime factorization of 18389961 is 3 × 3 × 2043329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389961)

Multiplication

n×y
n×2 36779922
n×3 55169883
n×4 73559844
n×5 91949805

Division

n÷y
n÷2 9194980.5
n÷3 6129987
n÷3 4597490.25
n÷5 3677992.2

Exponentiation

ny
n2 338190665581521
n3 6.2193131506082E+21
n4 1.1437292628647E+29
n5 2.1033136538641E+36

Nth Root

y√n
2√n 4288.3517812791
3√n 263.95320279327
4√n 65.485508177605
5√n 28.373712353856

Divisors of 18389961

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 -18389960
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 18389961 can be divided by 6 positive divisors. The sum of these divisors (counting 18389961) is 1, the average is 0.16666666666667.

Base conversion 18389961

Base System Value
2 Binary 1000110001001101111001001
3 Ternary 1021121022021200
4 Quaternary 1012021233021
5 Quinary 14201434321
6 Senary 1454054413
8 Octal 106115711
10 Decimal 18389961
12 Duodecimal 61aa409
16 Hexadecimal 1189bc9
20 Vigesimal 5eiei1
36 Base36 ay5s9

Cryptographic Hash Functions

md5 f526ad464a0bd41e532ed63a1e8810a7
sha1 d4aa4272ac31e76c1a41e31318453518b7ffdcff
sha256 f973cde03d2358db621f3c9bfc375fe675db704851db62225f4e2b3970fd0721
sha512 c1b9103ec68d02f832385101a4105be805cfe075c5eaaf38b4bdb532d3f6cb47205995795520a01dbb4310d1ab756aef6cedde215121f4db83d8bae47f49a339
ripemd-160 27928a36387ccf99ff8bb34611b5b42d595cd0af

18389961 as geometric shapes

Circle

Radius = n
Diameter 36779922
Circumference 115547532.75481
Area 1.0624573105035E+15

Sphere

Radius = n
Volume 2.6051398005767E+22
Surface area 4.2498292420142E+15
Circumference 115547532.75481

Square

Length = n
Perimeter 73559844
Area 338190665581521
Diagonal 26007332.257712

Cube

Length = n
Surface area 2029143993489126
Volume 6.2193131506082E+21
Space diagonal 31852346.80121

Equilateral Triangle

Length = n
Perimeter 55169883
Area 1.4644085385818E+14
Altitude 15926173.400605

Triangular Pyramid

Length = n
Surface area 1.4644085385818E+14
Volume 7.3295308385296E+20
Height 8669110.7525708