20138989 (number)

20138989 is an odd 8-digits composite number following 20138988 and preceding 20138990. In scientific notation, it is written as 2.0138989 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 17902080 positive integers (up to 20138989) that are relatively prime to 20138989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138989 × 10^7
Engineering notation 2.0138989 × 10^6

Prime Factorization of 20138989

Prime Factorization 13 × 37 × 281 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138989
Product of the distinct prime numbers

The prime factorization of 20138989 is 13 × 37 × 281 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 34, 13, 726, 90, 2086, 1250, 85783, 968, 617755, 590931, 2009205, 218875, 4279116, 96600101, 983091654, 403563998, 2409088887, 4215518780

Basic calculations (n = 20138989)

Multiplication

n×y
n×2 40277978
n×3 60416967
n×4 80555956
n×5 100694945

Division

n÷y
n÷2 10069494.5
n÷3 6712996.3333333
n÷3 5034747.25
n÷5 4027797.8

Exponentiation

ny
n2 405578877942121
n3 8.1679485615087E+21
n4 1.6449422623279E+29
n5 3.3127474126657E+36

Nth Root

y√n
2√n 4487.6484933649
3√n 272.06910099172
4√n 66.989913370334
5√n 28.893990984201

Divisors of 20138989

1, 13, 37, 149, 281, 481, 1937, 3653, 5513, 10397, 41869, 71669, 135161, 544297, 1549153, 20138989

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 -20138988
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 20138989 can be divided by 16 positive divisors. The sum of these divisors (counting 20138989) is 1, the average is 0.0625.

Base conversion 20138989

Base System Value
2 Binary 1001100110100101111101101
3 Ternary 1101220011111111
4 Quaternary 1030310233231
5 Quinary 20123421424
6 Senary 1555352021
8 Octal 114645755
10 Decimal 20138989
12 Duodecimal 68b2611
16 Hexadecimal 1334bed
20 Vigesimal 65h799
36 Base36 bzncd

Cryptographic Hash Functions

md5 71a6b35cf9dfe9b9d8a64295c85e6c91
sha1 f3966a9384657ff10b4fd217f650e927d02ef8ed
sha256 4f695f470fed38a8ccf3df855a15072c7c17bb52a3a76f13ec298699bd966553
sha512 53394a0849e755ab3746e580fd2c998e8ad0289c8c517b7c9d69f5425060c27df0f3f4bff75899aed592240b3773fdf5c2bac1474bcb6b0ab4965e68e69c36e5
ripemd-160 66d854688b6597a8745e0ed0a5aec754d9fa2764

20138989 as geometric shapes

Circle

Radius = n
Diameter 40277978
Circumference 126536999.78625
Area 1.2741636233942E+15

Sphere

Radius = n
Volume 3.4213822927647E+22
Surface area 5.0966544935766E+15
Circumference 126536999.78625

Square

Length = n
Perimeter 80555956
Area 405578877942121
Diagonal 28480831.376283

Cube

Length = n
Surface area 2433473267652726
Volume 8.1679485615087E+21
Space diagonal 34881752.161071

Equilateral Triangle

Length = n
Perimeter 60416967
Area 1.7562080576813E+14
Altitude 17440876.080535

Triangular Pyramid

Length = n
Surface area 1.7562080576813E+14
Volume 9.6260196937095E+20
Height 9493610.4587609