20181889 (number)

20181889 is an odd 8-digits composite number following 20181888 and preceding 20181890. In scientific notation, it is written as 2.0181889 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 15881472 positive integers (up to 20181889) that are relatively prime to 20181889.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand eight hundred eighty-nine

Notation

Scientific notation 2.0181889 × 10^7
Engineering notation 2.0181889 × 10^6

Prime Factorization of 20181889

Prime Factorization 13 × 7 × 227 × 977

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181889
Product of the distinct prime numbers

The prime factorization of 20181889 is 13 × 7 × 227 × 977. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 4, 50, 78, 368, 5999, 5803, 37141, 23167, 300565, 224570, 3034120, 556806, 6482631, 91580947, 970439812, 478836835, 5832421613, 6012119240

Basic calculations (n = 20181889)

Multiplication

n×y
n×2 40363778
n×3 60545667
n×4 80727556
n×5 100909445

Division

n÷y
n÷2 10090944.5
n÷3 6727296.3333333
n÷3 5045472.25
n÷5 4036377.8

Exponentiation

ny
n2 407308643608321
n3 8.2202578340437E+21
n4 1.6590033115805E+29
n5 3.348182068495E+36

Nth Root

y√n
2√n 4492.4257367262
3√n 272.26215084326
4√n 67.025560323851
5√n 28.906290483102

Divisors of 20181889

1, 7, 13, 91, 227, 977, 1589, 2951, 6839, 12701, 20657, 88907, 221779, 1552453, 2883127, 20181889

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 -20181888
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 20181889 can be divided by 16 positive divisors. The sum of these divisors (counting 20181889) is 1, the average is 0.0625.

Base conversion 20181889

Base System Value
2 Binary 1001100111111001110000001
3 Ternary 1101222100100101
4 Quaternary 1030333032001
5 Quinary 20131310024
6 Senary 2000322401
8 Octal 114771601
10 Decimal 20181889
12 Duodecimal 6913401
16 Hexadecimal 133f381
20 Vigesimal 662ee9
36 Base36 c0kg1

Cryptographic Hash Functions

md5 ef10fb4871be049d918e5b510a6ee235
sha1 32067a4402126c6b0ef3be03cd95c7c833448ef8
sha256 007aa0d4dda8fa46e8df020da852258ad6dfe07b3f7de04493cd5efe7f1a3b16
sha512 2c5184da2db805b256322b5654e5912f395f3d3c27946cf3719545dcdc1d46bf3c12b2f44223d0cf12d01aeb27cc02dee1ec1e8f692ba2851f3994ad64d3db8f
ripemd-160 525170b70f2eafae0a270f3367cf44bbf5ace2ea

20181889 as geometric shapes

Circle

Radius = n
Diameter 40363778
Circumference 126806548.43593
Area 1.2795978425035E+15

Sphere

Radius = n
Volume 3.4432935496061E+22
Surface area 5.1183913700141E+15
Circumference 126806548.43593

Square

Length = n
Perimeter 80727556
Area 407308643608321
Diagonal 28541501.138108

Cube

Length = n
Surface area 2443851861649926
Volume 8.2202578340437E+21
Space diagonal 34956057.140715

Equilateral Triangle

Length = n
Perimeter 60545667
Area 1.7636981627289E+14
Altitude 17478028.570358

Triangular Pyramid

Length = n
Surface area 1.7636981627289E+14
Volume 9.6876667625902E+20
Height 9513833.7127028