20120989 (number)

20120989 is an odd 8-digits composite number following 20120988 and preceding 20120990. In scientific notation, it is written as 2.0120989 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17157840 positive integers (up to 20120989) that are relatively prime to 20120989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120989 × 10^7
Engineering notation 2.0120989 × 10^6

Prime Factorization of 20120989

Prime Factorization 7 × 197 × 14591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120989
Product of the distinct prime numbers

The prime factorization of 20120989 is 7 × 197 × 14591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120989)

Multiplication

n×y
n×2 40241978
n×3 60362967
n×4 80483956
n×5 100604945

Division

n÷y
n÷2 10060494.5
n÷3 6706996.3333333
n÷3 5030247.25
n÷5 4024197.8

Exponentiation

ny
n2 404854198338121
n3 8.1460668713652E+21
n4 1.63906921912E+29
n5 3.2979693728153E+36

Nth Root

y√n
2√n 4485.6425403726
3√n 271.98801940454
4√n 66.974939644411
5√n 28.888824112335

Divisors of 20120989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120989 can be divided by 8 positive divisors. The sum of these divisors (counting 20120989) is 1, the average is 0.125.

Base conversion 20120989

Base System Value
2 Binary 1001100110000010110011101
3 Ternary 1101212020210211
4 Quaternary 1030300112131
5 Quinary 20122332424
6 Senary 1555132421
8 Octal 114602635
10 Decimal 20120989
12 Duodecimal 68a4111
16 Hexadecimal 133059d
20 Vigesimal 65f299
36 Base36 bz9gd

Cryptographic Hash Functions

md5 95568690ffae6e6899a29bfe70a9c6bf
sha1 d321ee33cbdee2e3aa9fab5ff5a18821836a20de
sha256 9d336f6cb4bb7f3a2306228b7e233dffccc90f071dc0ea86ee048ba823247b33
sha512 cf5ddee2b8925f398418d26bfd6cdaee627b91ef8b0826d9ae872ddc1ec03e36d402cadaaab1fbbeff0a2dde182027c467058b07df70d539ea7e626fb4755254
ripemd-160 34edd6ed13d26d5d19621ea2058f6eca27f18337

20120989 as geometric shapes

Circle

Radius = n
Diameter 40241978
Circumference 126423902.45072
Area 1.271886975274E+15

Sphere

Radius = n
Volume 3.4122165118309E+22
Surface area 5.0875479010961E+15
Circumference 126423902.45072

Square

Length = n
Perimeter 80483956
Area 404854198338121
Diagonal 28455375.53216

Cube

Length = n
Surface area 2429125190028726
Volume 8.1460668713652E+21
Space diagonal 34850575.246534

Equilateral Triangle

Length = n
Perimeter 60362967
Area 1.753070102948E+14
Altitude 17425287.623267

Triangular Pyramid

Length = n
Surface area 1.753070102948E+14
Volume 9.600231874569E+20
Height 9485125.1773866