20996978 (number)

20996978 is an even 8-digits composite number following 20996977 and preceding 20996979. In scientific notation, it is written as 2.0996978 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 10498488 positive integers (up to 20996978) that are relatively prime to 20996978.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-six thousand nine hundred seventy-eight

Notation

Scientific notation 2.0996978 × 10^7
Engineering notation 2.0996978 × 10^6

Prime Factorization of 20996978

Prime Factorization 2 × 10498489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20996978
Product of the distinct prime numbers

The prime factorization of 20996978 is 2 × 10498489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20996978)

Multiplication

n×y
n×2 41993956
n×3 62990934
n×4 83987912
n×5 104984890

Division

n÷y
n÷2 10498489
n÷3 6998992.6666667
n÷3 5249244.5
n÷5 4199395.6

Exponentiation

ny
n2 440873085132484
n3 9.2570024693189E+21
n4 1.9436907719423E+29
n5 4.0811632377276E+36

Nth Root

y√n
2√n 4582.2459558605
3√n 275.87918292569
4√n 67.692288747394
5√n 29.13609594876

Divisors of 20996978

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 -20996977
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 20996978 can be divided by 4 positive divisors. The sum of these divisors (counting 20996978) is 1, the average is 0.25.

Base conversion 20996978

Base System Value
2 Binary 1010000000110001101110010
3 Ternary 1110111202102212
4 Quaternary 1100012031302
5 Quinary 20333400403
6 Senary 2030012122
8 Octal 120061562
10 Decimal 20996978
12 Duodecimal 7047042
16 Hexadecimal 1406372
20 Vigesimal 6b4c8i
36 Base36 ci1de

Cryptographic Hash Functions

md5 589d83c351018f6138597fca02dba290
sha1 cbb15649c471d4486786fe545f8570bdeaca1af9
sha256 b140a770436da6b3b1757c65007d0f0e2cc7bf528318b02b7ddf59208fecaaf2
sha512 6abadade218320a6efb2792c7d2fa3a9731ff6c37b35919d2d31d310aff36d10a947f32add79be37362225e7e8e408c94d493e90aa619527bec42dc31ec84984
ripemd-160 41f2478580d022e0edb77efdb12e3a7b1bcaac6f

20996978 as geometric shapes

Circle

Radius = n
Diameter 41993956
Circumference 131927903.66477
Area 1.3850436454177E+15

Sphere

Radius = n
Volume 3.8775641269166E+22
Surface area 5.5401745816707E+15
Circumference 131927903.66477

Square

Length = n
Perimeter 83987912
Area 440873085132484
Diagonal 29694211.05645

Cube

Length = n
Surface area 2645238510794904
Volume 9.2570024693189E+21
Space diagonal 36367832.701406

Equilateral Triangle

Length = n
Perimeter 62990934
Area 1.9090364578478E+14
Altitude 18183916.350703

Triangular Pyramid

Length = n
Surface area 1.9090364578478E+14
Volume 1.0909482032527E+21
Height 9898070.3521498