20157420 (number)

20157420 is an even 8-digits composite number following 20157419 and preceding 20157421. In scientific notation, it is written as 2.0157420 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 5375296 positive integers (up to 20157420) that are relatively prime to 20157420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157420 × 10^7
Engineering notation 2.0157420 × 10^6

Prime Factorization of 20157420

Prime Factorization 2 × 2 × 3 × 5 × 335957

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10078710
Product of the distinct prime numbers

The prime factorization of 20157420 is 2 × 2 × 3 × 5 × 335957. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157420)

Multiplication

n×y
n×2 40314840
n×3 60472260
n×4 80629680
n×5 100787100

Division

n÷y
n÷2 10078710
n÷3 6719140
n÷3 5039355
n÷5 4031484

Exponentiation

ny
n2 406321581056400
n3 8.1903947644179E+21
n4 1.6509722723217E+29
n5 3.3279341501543E+36

Nth Root

y√n
2√n 4489.701549101
3√n 272.15207398564
4√n 67.005235236517
5√n 28.899277747135

Divisors of 20157420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157420 can be divided by 24 positive divisors. The sum of these divisors (counting 20157420) is 1, the average is 0.041666666666667.

Base conversion 20157420

Base System Value
2 Binary 1001100111001001111101100
3 Ternary 1101221002210010
4 Quaternary 1030321033230
5 Quinary 20130014140
6 Senary 2000013220
8 Octal 114711754
10 Decimal 20157420
12 Duodecimal 6901210
16 Hexadecimal 13393ec
20 Vigesimal 65jdb0
36 Base36 c01kc

Cryptographic Hash Functions

md5 f5ffdab16739983ccbce0f1dc2f300c4
sha1 08b1f88016479c6ef37c7f1c8cec8e1ce301822f
sha256 64bcfffcc480df9a3538cb28ba11dc2a8f1db60f6b01d244e48207b3fc4a3b1e
sha512 20b1fe0594a695c90e3ee38ae183e154844b67427027b56cfe3d87f99c2b191ffd3d965b492cc7f0d77b97f6d21ce3593d4309f9f67bb89debbaa0ce782c7915
ripemd-160 effe4822ab23bee0f508d5817feeca9b87559e6d

20157420 as geometric shapes

Circle

Radius = n
Diameter 40314840
Circumference 126652805.17465
Area 1.2764968940418E+15

Sphere

Radius = n
Volume 3.4307845362527E+22
Surface area 5.1059875761671E+15
Circumference 126652805.17465

Square

Length = n
Perimeter 80629680
Area 406321581056400
Diagonal 28506896.746451

Cube

Length = n
Surface area 2437929486338400
Volume 8.1903947644179E+21
Space diagonal 34913675.589505

Equilateral Triangle

Length = n
Perimeter 60472260
Area 1.7594240565035E+14
Altitude 17456837.794753

Triangular Pyramid

Length = n
Surface area 1.7594240565035E+14
Volume 9.6524727975245E+20
Height 9502298.9154836