20122891 (number)

20122891 is an odd 8-digits composite number following 20122890 and preceding 20122892. In scientific notation, it is written as 2.0122891 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19687080 positive integers (up to 20122891) that are relatively prime to 20122891.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-two thousand eight hundred ninety-one

Notation

Scientific notation 2.0122891 × 10^7
Engineering notation 2.0122891 × 10^6

Prime Factorization of 20122891

Prime Factorization 2039 × 139 × 71

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20122891
Product of the distinct prime numbers

The prime factorization of 20122891 is 2039 × 139 × 71. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20122891)

Multiplication

n×y
n×2 40245782
n×3 60368673
n×4 80491564
n×5 100614455

Division

n÷y
n÷2 10061445.5
n÷3 6707630.3333333
n÷3 5030722.75
n÷5 4024578.2

Exponentiation

ny
n2 404930742197881
n3 8.1483771877971E+21
n4 1.6396890597693E+29
n5 3.2995284223629E+36

Nth Root

y√n
2√n 4485.8545451229
3√n 271.99658930989
4√n 66.976522342705
5√n 28.889370253143

Divisors of 20122891

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 -20122890
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 20122891 can be divided by 8 positive divisors. The sum of these divisors (counting 20122891) is 1, the average is 0.125.

Base conversion 20122891

Base System Value
2 Binary 1001100110000110100001011
3 Ternary 1101212100102021
4 Quaternary 1030300310023
5 Quinary 20122413031
6 Senary 1555145311
8 Octal 114606413
10 Decimal 20122891
12 Duodecimal 68a5237
16 Hexadecimal 1330d0b
20 Vigesimal 65f74b
36 Base36 bzax7

Cryptographic Hash Functions

md5 b05ac87673da7b779f3997f3a9bff493
sha1 fb9a040d94e1d2d4f2c15e8c1bbe0b1f8d92fe1a
sha256 5fed08d9d53596a848bb0e758173c0b5cb71573f56c8b65878c64c4e257c8731
sha512 b199f73e5bd582caef3ed890497034b9beda24fbbd9f964cb3cce856b61291e60bfc62ecf866a7d59c21a50b875f704877851421d59ce276e7a96644c29d2990
ripemd-160 a76412ce4b8c50a59085bf400804cde683280292

20122891 as geometric shapes

Circle

Radius = n
Diameter 40245782
Circumference 126435853.06918
Area 1.2721274449015E+15

Sphere

Radius = n
Volume 3.4131842549149E+22
Surface area 5.0885097796061E+15
Circumference 126435853.06918

Square

Length = n
Perimeter 80491564
Area 404930742197881
Diagonal 28458065.366355

Cube

Length = n
Surface area 2429584453187286
Volume 8.1483771877971E+21
Space diagonal 34853869.60717

Equilateral Triangle

Length = n
Perimeter 60368673
Area 1.7534015475833E+14
Altitude 17426934.803585

Triangular Pyramid

Length = n
Surface area 1.7534015475833E+14
Volume 9.6029546085951E+20
Height 9486021.7887852