20571428 (number)

20571428 is an even 8-digits composite number following 20571427 and preceding 20571429. In scientific notation, it is written as 2.0571428 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 9641984 positive integers (up to 20571428) that are relatively prime to 20571428.

Interesting facts

Basic properties

Name

Name twenty million five hundred seventy-one thousand four hundred twenty-eight

Notation

Scientific notation 2.0571428 × 10^7
Engineering notation 2.0571428 × 10^6

Prime Factorization of 20571428

Prime Factorization 2 × 2 × 17 × 353 × 857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10285714
Product of the distinct prime numbers

The prime factorization of 20571428 is 2 × 2 × 17 × 353 × 857. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 57, 62, 598, 167, 3890, 9488, 8566, 49327, 43761, 960563, 9542124, 9334511, 23065764, 72754222, 27842015, 304457, 4162802519, 5922380039

Basic calculations (n = 20571428)

Multiplication

n×y
n×2 41142856
n×3 61714284
n×4 82285712
n×5 102857140

Division

n÷y
n÷2 10285714
n÷3 6857142.6666667
n÷3 5142857
n÷5 4114285.6

Exponentiation

ny
n2 423183649959184
n3 8.7054919859126E+21
n4 1.7908440159278E+29
n5 3.6840218732889E+36

Nth Root

y√n
2√n 4535.5736131166
3√n 274.00268170071
4√n 67.346667423984
5√n 29.017025274124

Divisors of 20571428

1, 2, 4, 17, 34, 68, 353, 706, 857, 1412, 1714, 3428, 6001, 12002, 14569, 24004, 29138, 58276, 302521, 605042, 1210084, 5142857, 10285714, 20571428

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 -20571427
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 20571428 can be divided by 24 positive divisors. The sum of these divisors (counting 20571428) is 1, the average is 0.041666666666667.

Base conversion 20571428

Base System Value
2 Binary 1001110011110010100100100
3 Ternary 1102201010200202
4 Quaternary 1032132110210
5 Quinary 20231241203
6 Senary 2012530032
8 Octal 116362444
10 Decimal 20571428
12 Duodecimal 6a80918
16 Hexadecimal 139e524
20 Vigesimal 68b8b8
36 Base36 c8x0k

Cryptographic Hash Functions

md5 f85b676bc26ef53f65fef587498f25d6
sha1 791158c224e9cb45b1a28bcf4f03bdc80511cbf9
sha256 5d8ea9c2dd07493d03a016080d1b428290b1223f6cdf5405f9b953696c869b44
sha512 167814ef84e4496690343e0919ed4ef929e25e259ae47927590c0ba1216d5f0f333bf16d128d63acf4ee44e0380059530fae81f875d6f2b7c6059b59d9b45c88
ripemd-160 da89d7c9ccb25f93073b2fe223523b745f67ffcb

20571428 as geometric shapes

Circle

Radius = n
Diameter 41142856
Circumference 129254094.1573
Area 1.3294706458311E+15

Sphere

Radius = n
Volume 3.6465479558437E+22
Surface area 5.3178825833243E+15
Circumference 129254094.1573

Square

Length = n
Perimeter 82285712
Area 423183649959184
Diagonal 29092392.474982

Cube

Length = n
Surface area 2539101899755104
Volume 8.7054919859126E+21
Space diagonal 35630758.480245

Equilateral Triangle

Length = n
Perimeter 61714284
Area 1.8324389566544E+14
Altitude 17815379.240123

Triangular Pyramid

Length = n
Surface area 1.8324389566544E+14
Volume 1.0259520694673E+21
Height 9697464.1583272