20457421 (number)

20457421 is an odd 8-digits composite number following 20457420 and preceding 20457422. In scientific notation, it is written as 2.0457421 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20351232 positive integers (up to 20457421) that are relatively prime to 20457421.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation 2.0457421 × 10^7
Engineering notation 2.0457421 × 10^6

Prime Factorization of 20457421

Prime Factorization 193 × 105997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20457421
Product of the distinct prime numbers

The prime factorization of 20457421 is 193 × 105997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20457421)

Multiplication

n×y
n×2 40914842
n×3 61372263
n×4 81829684
n×5 102287105

Division

n÷y
n÷2 10228710.5
n÷3 6819140.3333333
n÷3 5114355.25
n÷5 4091484.2

Exponentiation

ny
n2 418506073971241
n3 8.5615549462868E+21
n4 1.7514733395082E+29
n5 3.5830627476596E+36

Nth Root

y√n
2√n 4522.9880610057
3√n 273.49556880036
4√n 67.253163947919
5√n 28.984791226164

Divisors of 20457421

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 -20457420
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 20457421 can be divided by 4 positive divisors. The sum of these divisors (counting 20457421) is 1, the average is 0.25.

Base conversion 20457421

Base System Value
2 Binary 1001110000010011111001101
3 Ternary 1102111100022021
4 Quaternary 1032002133031
5 Quinary 20214114141
6 Senary 2010250141
8 Octal 116023715
10 Decimal 20457421
12 Duodecimal 6a26951
16 Hexadecimal 13827cd
20 Vigesimal 67h3b1
36 Base36 c6h1p

Cryptographic Hash Functions

md5 138fa0dc8be2895efeb0df1fd6683a71
sha1 d762a71d632bea5b4560f16f9b5dfe24c6bba351
sha256 6640c5e9bc1d7a4bc3154dbb638ef14f808b1ad098a4b74053a5cbec292a1131
sha512 e937520f41c9615d6721e761b6ca5ba944744f03b67f2a92bbaaba083ec5929c3d869a8ae28cb39ac70fd9223dbead3a1ffb04e13cae5df48877580d0f49525a
ripemd-160 8c196e0928bf3ba3246a95fdbd3021d0ce5c2a35

20457421 as geometric shapes

Circle

Radius = n
Diameter 40914842
Circumference 128537767.04999
Area 1.3147756074708E+15

Sphere

Radius = n
Volume 3.5862557496747E+22
Surface area 5.259102429883E+15
Circumference 128537767.04999

Square

Length = n
Perimeter 81829684
Area 418506073971241
Diagonal 28931162.229376

Cube

Length = n
Surface area 2511036443827446
Volume 8.5615549462868E+21
Space diagonal 35433292.563827

Equilateral Triangle

Length = n
Perimeter 61372263
Area 1.8121844584859E+14
Altitude 17716646.281913

Triangular Pyramid

Length = n
Surface area 1.8121844584859E+14
Volume 1.0089889266701E+21
Height 9643720.7431254