20577981 (number)

20577981 is an odd 8-digits composite number following 20577980 and preceding 20577982. In scientific notation, it is written as 2.0577981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13718652 positive integers (up to 20577981) that are relatively prime to 20577981.

Interesting facts

Basic properties

Name

Name twenty million five hundred seventy-seven thousand nine hundred eighty-one

Notation

Scientific notation 2.0577981 × 10^7
Engineering notation 2.0577981 × 10^6

Prime Factorization of 20577981

Prime Factorization 3 × 6859327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20577981
Product of the distinct prime numbers

The prime factorization of 20577981 is 3 × 6859327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20577981)

Multiplication

n×y
n×2 41155962
n×3 61733943
n×4 82311924
n×5 102889905

Division

n÷y
n÷2 10288990.5
n÷3 6859327
n÷3 5144495.25
n÷5 4115596.2

Exponentiation

ny
n2 423453302036361
n3 8.7138140036915E+21
n4 1.793126990055E+29
n5 3.6898933131938E+36

Nth Root

y√n
2√n 4536.2959559535
3√n 274.03177300398
4√n 67.352030080418
5√n 29.018873705285

Divisors of 20577981

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 -20577980
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 20577981 can be divided by 4 positive divisors. The sum of these divisors (counting 20577981) is 1, the average is 0.25.

Base conversion 20577981

Base System Value
2 Binary 1001110011111111010111101
3 Ternary 1102201110200110
4 Quaternary 1032133322331
5 Quinary 20231443411
6 Senary 2013020233
8 Octal 116377275
10 Decimal 20577981
12 Duodecimal 6a84679
16 Hexadecimal 139febd
20 Vigesimal 68c4j1
36 Base36 c922l

Cryptographic Hash Functions

md5 531a59c4a87f293f91890412db455614
sha1 aa9b2361fdd0013250dcfff75616145300bf39eb
sha256 81d693507d427d366691ac6746194986c0d74e9ff05cbeb3d619f09e3acfd12e
sha512 750274e1a07c3700f670217283746992afd3083c96ad33731de06b86be384a81c3795f75869b1c0a7ec1cc375431f4f6a35190909562ae5a75831e375c999d9c
ripemd-160 2a95e9f81d73ae109399f311a3f15988074366cc

20577981 as geometric shapes

Circle

Radius = n
Diameter 41155962
Circumference 129295267.87062
Area 1.3303177828158E+15

Sphere

Radius = n
Volume 3.6500338744993E+22
Surface area 5.3212711312631E+15
Circumference 129295267.87062

Square

Length = n
Perimeter 82311924
Area 423453302036361
Diagonal 29101659.816456

Cube

Length = n
Surface area 2540719812218166
Volume 8.7138140036915E+21
Space diagonal 35642108.609187

Equilateral Triangle

Length = n
Perimeter 61733943
Area 1.8336065843995E+14
Altitude 17821054.304594

Triangular Pyramid

Length = n
Surface area 1.8336065843995E+14
Volume 1.0269328286681E+21
Height 9700553.272152