20992945 (number)

20992945 is an odd 8-digits composite number following 20992944 and preceding 20992946. In scientific notation, it is written as 2.0992945 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 16630896 positive integers (up to 20992945) that are relatively prime to 20992945.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-two thousand nine hundred forty-five

Notation

Scientific notation 2.0992945 × 10^7
Engineering notation 2.0992945 × 10^6

Prime Factorization of 20992945

Prime Factorization 5 × 103 × 40763

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20992945
Product of the distinct prime numbers

The prime factorization of 20992945 is 5 × 103 × 40763. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20992945)

Multiplication

n×y
n×2 41985890
n×3 62978835
n×4 83971780
n×5 104964725

Division

n÷y
n÷2 10496472.5
n÷3 6997648.3333333
n÷3 5248236.25
n÷5 4198589

Exponentiation

ny
n2 440703739773025
n3 9.2516693703494E+21
n4 1.9421978624993E+29
n5 4.0772452906565E+36

Nth Root

y√n
2√n 4581.8058666862
3√n 275.86151860612
4√n 67.689038009756
5√n 29.134976598118

Divisors of 20992945

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 -20992944
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 20992945 can be divided by 8 positive divisors. The sum of these divisors (counting 20992945) is 1, the average is 0.125.

Base conversion 20992945

Base System Value
2 Binary 1010000000101001110110001
3 Ternary 1110111112220111
4 Quaternary 1100011032301
5 Quinary 20333233240
6 Senary 2025541321
8 Octal 120051661
10 Decimal 20992945
12 Duodecimal 7044841
16 Hexadecimal 14053b1
20 Vigesimal 6b4275
36 Base36 chy9d

Cryptographic Hash Functions

md5 6a149ede6191c4afd68fefcce08ed7bc
sha1 73255700caa2005e2ddabab9b9c6ca882b9789aa
sha256 4fdca13ec637ec0f28d24d24ec412a7910bb706da0128a83b1fcb20275dfabfb
sha512 1bb9909bb5d67ed4aef74d3f3497ffb1817032ed4323082b9f2904703e8e0af7192f92e41e2cde9c390051291844b3147c9c7894e0a92b407552597aed8deebc
ripemd-160 6504431cd946bfc158504b4024e54483b414253f

20992945 as geometric shapes

Circle

Radius = n
Diameter 41985890
Circumference 131902563.57843
Area 1.3845116312805E+15

Sphere

Radius = n
Volume 3.8753302036442E+22
Surface area 5.5380465251219E+15
Circumference 131902563.57843

Square

Length = n
Perimeter 83971780
Area 440703739773025
Diagonal 29688507.533152

Cube

Length = n
Surface area 2644222438638150
Volume 9.2516693703494E+21
Space diagonal 36360847.340499

Equilateral Triangle

Length = n
Perimeter 62978835
Area 1.9083031709312E+14
Altitude 18180423.67025

Triangular Pyramid

Length = n
Surface area 1.9083031709312E+14
Volume 1.0903196915117E+21
Height 9896169.1777175