20710981 (number)

20710981 is an odd 8-digits composite number following 20710980 and preceding 20710982. In scientific notation, it is written as 2.0710981 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19312128 positive integers (up to 20710981) that are relatively prime to 20710981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0710981 × 10^7
Engineering notation 2.0710981 × 10^6

Prime Factorization of 20710981

Prime Factorization 17 × 109 × 11177

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20710981
Product of the distinct prime numbers

The prime factorization of 20710981 is 17 × 109 × 11177. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20710981)

Multiplication

n×y
n×2 41421962
n×3 62132943
n×4 82843924
n×5 103554905

Division

n÷y
n÷2 10355490.5
n÷3 6903660.3333333
n÷3 5177745.25
n÷5 4142196.2

Exponentiation

ny
n2 428944733982361
n3 8.8838662355587E+21
n4 1.839935848112E+29
n5 3.8106876391466E+36

Nth Root

y√n
2√n 4550.9318825928
3√n 274.62088143917
4√n 67.460595035864
5√n 29.056288170565

Divisors of 20710981

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 -20710980
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 20710981 can be divided by 8 positive divisors. The sum of these divisors (counting 20710981) is 1, the average is 0.125.

Base conversion 20710981

Base System Value
2 Binary 1001111000000011001000101
3 Ternary 1102222020010101
4 Quaternary 1033000121011
5 Quinary 20300222411
6 Senary 2015524101
8 Octal 117003105
10 Decimal 20710981
12 Duodecimal 6b29631
16 Hexadecimal 13c0645
20 Vigesimal 698h91
36 Base36 cbwp1

Cryptographic Hash Functions

md5 91f1212452336945d1c831e26d43a372
sha1 75e187ddc9ec3fefedae5d01c13d58195fe21f74
sha256 7d8444a079ce1221b1a34d557c8574c4d4803bd960cbf0295291f4fd37347449
sha512 283bc3b99072b2cc1e049093b12f238b127399162ac3e8cee075622c85663cb18f01e7ac14b8696364c631f12e3e7075911c211ada9c6c8cb87d306c5ee8f4a6
ripemd-160 ad80be512d7eacb0402d3223c1334ae11d08a52b

20710981 as geometric shapes

Circle

Radius = n
Diameter 41421962
Circumference 130130931.51648
Area 1.347569625075E+15

Sphere

Radius = n
Volume 3.7212651868141E+22
Surface area 5.3902785003001E+15
Circumference 130130931.51648

Square

Length = n
Perimeter 82843924
Area 428944733982361
Diagonal 29289750.220251

Cube

Length = n
Surface area 2573668403894166
Volume 8.8838662355587E+21
Space diagonal 35872471.366594

Equilateral Triangle

Length = n
Perimeter 62132943
Area 1.8573851822414E+14
Altitude 17936235.683297

Triangular Pyramid

Length = n
Surface area 1.8573851822414E+14
Volume 1.0469736763863E+21
Height 9763250.0734172