18881369 (number)

18881369 is an odd 8-digits composite number following 18881368 and preceding 18881370. In scientific notation, it is written as 1.8881369 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 17428944 positive integers (up to 18881369) that are relatively prime to 18881369.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8881369 × 10^7
Engineering notation 1.8881369 × 10^6

Prime Factorization of 18881369

Prime Factorization 13 × 1452413

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18881369
Product of the distinct prime numbers

The prime factorization of 18881369 is 13 × 1452413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 2, 92, 58, 861, 8782, 2981, 17002, 70969, 805643, 882186, 1678137, 8228871, 87455260, 35405112, 561256532, 481252376, 7984686287, 1356789291

Basic calculations (n = 18881369)

Multiplication

n×y
n×2 37762738
n×3 56644107
n×4 75525476
n×5 94406845

Division

n÷y
n÷2 9440684.5
n÷3 6293789.6666667
n÷3 4720342.25
n÷5 3776273.8

Exponentiation

ny
n2 356506095314161
n3 6.7313231363758E+21
n4 1.2709659599615E+29
n5 2.3997577276472E+36

Nth Root

y√n
2√n 4345.269726956
3√n 266.28364508292
4√n 65.918659929916
5√n 28.523754898975

Divisors of 18881369

1, 13, 1452413, 18881369

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 -18881368
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 18881369 can be divided by 4 positive divisors. The sum of these divisors (counting 18881369) is 1, the average is 0.25.

Base conversion 18881369

Base System Value
2 Binary 1001000000001101101011001
3 Ternary 1022112021100222
4 Quaternary 1020001231121
5 Quinary 14313200434
6 Senary 1512405425
8 Octal 110015531
10 Decimal 18881369
12 Duodecimal 63a6875
16 Hexadecimal 1201b59
20 Vigesimal 5i0389
36 Base36 b8oyh

Cryptographic Hash Functions

md5 1883c2d6d60ea2c3981247d2eb9d2bde
sha1 7deb4f8453246f786aa55cfd991f93eb3484838c
sha256 51bf133251a0b0ff521cbade29f07db068b8263ccc0b13eb8cefced53e1546b5
sha512 e820d40e1e919a8e625d788421e24f32787b04ec0bf53880539414d1e831807afa7f5cd8d06c00cae1735b86efca0e10b2f708a957102d84fe8d0882f65df558
ripemd-160 023227906e64ed9cd96b6d2a6095c605971a8683

18881369 as geometric shapes

Circle

Radius = n
Diameter 37762738
Circumference 118635140.28024
Area 1.119996929999E+15

Sphere

Radius = n
Volume 2.8196100418903E+22
Surface area 4.4799877199958E+15
Circumference 118635140.28024

Square

Length = n
Perimeter 75525476
Area 356506095314161
Diagonal 26702288.115971

Cube

Length = n
Surface area 2139036571884966
Volume 6.7313231363758E+21
Space diagonal 32703490.424456

Equilateral Triangle

Length = n
Perimeter 56644107
Area 1.5437166757303E+14
Altitude 16351745.212228

Triangular Pyramid

Length = n
Surface area 1.5437166757303E+14
Volume 7.9329403934821E+20
Height 8900762.7053236