20842949 (number)

20842949 is an odd 8-digits composite number following 20842948 and preceding 20842950. In scientific notation, it is written as 2.0842949 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20399436 positive integers (up to 20842949) that are relatively prime to 20842949.

Interesting facts

Basic properties

Name

Name twenty million eight hundred forty-two thousand nine hundred forty-nine

Notation

Scientific notation 2.0842949 × 10^7
Engineering notation 2.0842949 × 10^6

Prime Factorization of 20842949

Prime Factorization 47 × 443467

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20842949
Product of the distinct prime numbers

The prime factorization of 20842949 is 47 × 443467. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20842949)

Multiplication

n×y
n×2 41685898
n×3 62528847
n×4 83371796
n×5 104214745

Division

n÷y
n÷2 10421474.5
n÷3 6947649.6666667
n÷3 5210737.25
n÷5 4168589.8

Exponentiation

ny
n2 434428523016601
n3 9.0547715493803E+21
n4 1.8872814161039E+29
n5 3.93365103045E+36

Nth Root

y√n
2√n 4565.407867869
3√n 275.20293120554
4√n 67.567802005608
5√n 29.093222821194

Divisors of 20842949

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 -20842948
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 20842949 can be divided by 4 positive divisors. The sum of these divisors (counting 20842949) is 1, the average is 0.25.

Base conversion 20842949

Base System Value
2 Binary 1001111100000100111000101
3 Ternary 1110012221011002
4 Quaternary 1033200213011
5 Quinary 20313433244
6 Senary 2022423045
8 Octal 117404705
10 Decimal 20842949
12 Duodecimal 6b91a85
16 Hexadecimal 13e09c5
20 Vigesimal 6a5779
36 Base36 ceqit

Cryptographic Hash Functions

md5 3f47989d15a62e3d1eec3b927ad72e9c
sha1 88da06a64df1aae937a0a6194dfdb9ae535d36db
sha256 30711039f0bd7be4f088fdbd9bc7f9c6d9de1bc876a24676c647290c38c4c3d3
sha512 ed330d834c2ed851e4cae5b17ee25bdc8b5d595a74f869d78820971db9692cfbbf420256d6cd3f4efc7430728258e2deee04b0600cbf80f676c8b8b92d2e7966
ripemd-160 2c25c58d5e93749ee8dda6d7c14b4c7342b57e09

20842949 as geometric shapes

Circle

Radius = n
Diameter 41685898
Circumference 130960110.91509
Area 1.3647974564188E+15

Sphere

Radius = n
Volume 3.7928538372623E+22
Surface area 5.4591898256753E+15
Circumference 130960110.91509

Square

Length = n
Perimeter 83371796
Area 434428523016601
Diagonal 29476381.155651

Cube

Length = n
Surface area 2606571138099606
Volume 9.0547715493803E+21
Space diagonal 36101046.647567

Equilateral Triangle

Length = n
Perimeter 62528847
Area 1.8811306853046E+14
Altitude 18050523.323783

Triangular Pyramid

Length = n
Surface area 1.8811306853046E+14
Volume 1.067115060777E+21
Height 9825460.3852169