20981057 (number)

20981057 is an odd 8-digits composite number following 20981056 and preceding 20981058. In scientific notation, it is written as 2.0981057 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20320560 positive integers (up to 20981057) that are relatively prime to 20981057.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0981057 × 10^7
Engineering notation 2.0981057 × 10^6

Prime Factorization of 20981057

Prime Factorization 79 × 53 × 5011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20981057
Product of the distinct prime numbers

The prime factorization of 20981057 is 79 × 53 × 5011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20981057)

Multiplication

n×y
n×2 41962114
n×3 62943171
n×4 83924228
n×5 104905285

Division

n÷y
n÷2 10490528.5
n÷3 6993685.6666667
n÷3 5245264.25
n÷5 4196211.4

Exponentiation

ny
n2 440204752837249
n3 9.2359610109492E+21
n4 1.937802244205E+29
n5 4.0657139340394E+36

Nth Root

y√n
2√n 4580.5083778987
3√n 275.80943664936
4√n 67.679453144205
5√n 29.131676107566

Divisors of 20981057

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 -20981056
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 20981057 can be divided by 8 positive divisors. The sum of these divisors (counting 20981057) is 1, the average is 0.125.

Base conversion 20981057

Base System Value
2 Binary 1010000000010010101000001
3 Ternary 1110110221121012
4 Quaternary 1100002111001
5 Quinary 20332343212
6 Senary 2025410305
8 Octal 120022501
10 Decimal 20981057
12 Duodecimal 7039995
16 Hexadecimal 1402541
20 Vigesimal 6b2cch
36 Base36 chp35

Cryptographic Hash Functions

md5 328d99c12ef012dfd614b78a64a90830
sha1 00352a419d1269e36c075cc00cfb6c39940f0aef
sha256 445eaecf5b76616d90bf716dd0df11f44b817a3edaaf42699d9b229fb5a76ca3
sha512 eb963da3243777975aac321808b4ae159d4ee4d4f9b154db87b034e6da8e0112b5c607cce1b03ecc3882e7b6dfa97bd591f88ee3bb09e67a10a6d5def9d65db9
ripemd-160 ac6486288a036f662890f9d1b701f1489baf5d23

20981057 as geometric shapes

Circle

Radius = n
Diameter 41962114
Circumference 131827869.0715
Area 1.3829440175888E+15

Sphere

Radius = n
Volume 3.8687503014453E+22
Surface area 5.5317760703552E+15
Circumference 131827869.0715

Square

Length = n
Perimeter 83924228
Area 440204752837249
Diagonal 29671695.362323

Cube

Length = n
Surface area 2641228517023494
Volume 9.2359610109492E+21
Space diagonal 36340256.720499

Equilateral Triangle

Length = n
Perimeter 62943171
Area 1.9061424941185E+14
Altitude 18170128.360249

Triangular Pyramid

Length = n
Surface area 1.9061424941185E+14
Volume 1.0884684436028E+21
Height 9890565.1207743