20120918 (number)

20120918 is an even 8-digits composite number following 20120917 and preceding 20120919. In scientific notation, it is written as 2.0120918 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10060458 positive integers (up to 20120918) that are relatively prime to 20120918.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand nine hundred eighteen

Notation

Scientific notation 2.0120918 × 10^7
Engineering notation 2.0120918 × 10^6

Prime Factorization of 20120918

Prime Factorization 2 × 10060459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20120918
Product of the distinct prime numbers

The prime factorization of 20120918 is 2 × 10060459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120918)

Multiplication

n×y
n×2 40241836
n×3 60362754
n×4 80483672
n×5 100604590

Division

n÷y
n÷2 10060459
n÷3 6706972.6666667
n÷3 5030229.5
n÷5 4024183.6

Exponentiation

ny
n2 404851341162724
n3 8.1459806377252E+21
n4 1.6390460844126E+29
n5 3.2979111862686E+36

Nth Root

y√n
2√n 4485.6346262263
3√n 271.987699487
4√n 66.974880561493
5√n 28.888803724576

Divisors of 20120918

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 -20120917
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 20120918 can be divided by 4 positive divisors. The sum of these divisors (counting 20120918) is 1, the average is 0.25.

Base conversion 20120918

Base System Value
2 Binary 1001100110000010101010110
3 Ternary 1101212020201012
4 Quaternary 1030300111112
5 Quinary 20122332133
6 Senary 1555132222
8 Octal 114602526
10 Decimal 20120918
12 Duodecimal 68a4072
16 Hexadecimal 1330556
20 Vigesimal 65f25i
36 Base36 bz9ee

Cryptographic Hash Functions

md5 e9b058c29b46c0e65648ee27d11b8132
sha1 053661672cfe3b6556c9c48408d6d71b61fbaa91
sha256 a718a4cb42465c9e5312f2fac653e8acfc476782c6d154c0c5b12a642e9f2b28
sha512 e766c4119089511f564583434044e67dfa9c361b61096f2ec336041bef16f87ec6948cba94ece391e3aee7c32949f65061f8516606d13e2b95302cc5582e6789
ripemd-160 ea5eed56222c6ff7722cd183dc4dabe23dd0389e

20120918 as geometric shapes

Circle

Radius = n
Diameter 40241836
Circumference 126423456.34457
Area 1.2718779991928E+15

Sphere

Radius = n
Volume 3.4121803903683E+22
Surface area 5.0875119967712E+15
Circumference 126423456.34457

Square

Length = n
Perimeter 80483672
Area 404851341162724
Diagonal 28455275.122997

Cube

Length = n
Surface area 2429108046976344
Volume 8.1459806377252E+21
Space diagonal 34850452.270927

Equilateral Triangle

Length = n
Perimeter 60362754
Area 1.7530577310156E+14
Altitude 17425226.135464

Triangular Pyramid

Length = n
Surface area 1.7530577310156E+14
Volume 9.6001302472497E+20
Height 9485091.7076656