20026981 (number)

20026981 is an odd 8-digits composite number following 20026980 and preceding 20026982. In scientific notation, it is written as 2.0026981 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18351792 positive integers (up to 20026981) that are relatively prime to 20026981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0026981 × 10^7
Engineering notation 2.0026981 × 10^6

Prime Factorization of 20026981

Prime Factorization 13 × 139 × 11083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20026981
Product of the distinct prime numbers

The prime factorization of 20026981 is 13 × 139 × 11083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20026981)

Multiplication

n×y
n×2 40053962
n×3 60080943
n×4 80107924
n×5 100134905

Division

n÷y
n÷2 10013490.5
n÷3 6675660.3333333
n÷3 5006745.25
n÷5 4005396.2

Exponentiation

ny
n2 401079967974361
n3 8.0324208981031E+21
n4 1.6086514071031E+29
n5 3.2216431165678E+36

Nth Root

y√n
2√n 4475.1515058152
3√n 271.56376964716
4√n 66.896573199344
5√n 28.86177901778

Divisors of 20026981

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 -20026980
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 20026981 can be divided by 8 positive divisors. The sum of these divisors (counting 20026981) is 1, the average is 0.125.

Base conversion 20026981

Base System Value
2 Binary 1001100011001011001100101
3 Ternary 1101200110212001
4 Quaternary 1030121121211
5 Quinary 20111330411
6 Senary 1553125301
8 Octal 114313145
10 Decimal 20026981
12 Duodecimal 6859831
16 Hexadecimal 1319665
20 Vigesimal 653791
36 Base36 bx8x1

Cryptographic Hash Functions

md5 645631bf0888f5daa8acb555ec172ddc
sha1 77d572a380c08908899ed4b13e57068aad402e86
sha256 17b87455ae43dbbb96076c178842575ea806d2b09927c53dfb8c039185f11ecc
sha512 fbe5745f272439fdc30877959eaffc8a70531cc86361afbaabd03000200ae2f447b861b7d8ad6ef25461cb223ff559f63e8cedad898a5fe90a5f3aea70f0e4b5
ripemd-160 662a78a030eb87c33e6507983c04be3d3687a00d

20026981 as geometric shapes

Circle

Radius = n
Diameter 40053962
Circumference 125833232.76636
Area 1.2600298808903E+15

Sphere

Radius = n
Volume 3.3646125978696E+22
Surface area 5.0401195235611E+15
Circumference 125833232.76636

Square

Length = n
Perimeter 80107924
Area 401079967974361
Diagonal 28322428.143588

Cube

Length = n
Surface area 2406479807846166
Volume 8.0324208981031E+21
Space diagonal 34687748.614217

Equilateral Triangle

Length = n
Perimeter 60080943
Area 1.7367272060742E+14
Altitude 17343874.307108

Triangular Pyramid

Length = n
Surface area 1.7367272060742E+14
Volume 9.4662988106554E+20
Height 9440809.3811961