20001428 (number)

20001428 is an even 8-digits composite number following 20001427 and preceding 20001429. In scientific notation, it is written as 2.0001428 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 9988440 positive integers (up to 20001428) that are relatively prime to 20001428.

Interesting facts

Basic properties

Name

Name twenty million one thousand four hundred twenty-eight

Notation

Scientific notation 2.0001428 × 10^7
Engineering notation 2.0001428 × 10^6

Prime Factorization of 20001428

Prime Factorization 2 × 2 × 5171 × 967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10000714
Product of the distinct prime numbers

The prime factorization of 20001428 is 2 × 2 × 5171 × 967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001428)

Multiplication

n×y
n×2 40002856
n×3 60004284
n×4 80005712
n×5 100007140

Division

n÷y
n÷2 10000714
n÷3 6667142.6666667
n÷3 5000357
n÷5 4000285.6

Exponentiation

ny
n2 400057122039184
n3 8.001713722354E+21
n4 1.6004570089427E+29
n5 3.2011425631464E+36

Nth Root

y√n
2√n 4472.2956074034
3√n 271.44822181967
4√n 66.875224167127
5√n 28.85441014147

Divisors of 20001428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001428 can be divided by 12 positive divisors. The sum of these divisors (counting 20001428) is 1, the average is 0.083333333333333.

Base conversion 20001428

Base System Value
2 Binary 1001100010011001010010100
3 Ternary 1101122011210122
4 Quaternary 1030103022110
5 Quinary 20110021203
6 Senary 1552411112
8 Octal 114231224
10 Decimal 20001428
12 Duodecimal 6846a98
16 Hexadecimal 1313294
20 Vigesimal 6503b8
36 Base36 bwp78

Cryptographic Hash Functions

md5 e0368cfad8773118a8a5f16da55817b0
sha1 c66295ce93f95326769961989a634cdff5c573fc
sha256 f498e73ed739de789226cc886d9329f1cb735473c0bc578331b2cf61cbb64591
sha512 3c379ee2dc72a50bcb56b10160d19e7a8f3d5bb603d45bcbd9f3e4bf9fb21f0b007671c0374b27b1b39732b1367ad3557a56a4c6710a4e17d0e29f7c5b35849e
ripemd-160 14f6bf24239d24e5f74347501d1dccdfdfb60cc3

20001428 as geometric shapes

Circle

Radius = n
Diameter 40002856
Circumference 125672678.53221
Area 1.2568165156146E+15

Sphere

Radius = n
Volume 3.3517500061701E+22
Surface area 5.0272660624583E+15
Circumference 125672678.53221

Square

Length = n
Perimeter 80005712
Area 400057122039184
Diagonal 28286290.744429

Cube

Length = n
Surface area 2400342732235104
Volume 8.001713722354E+21
Space diagonal 34643489.519931

Equilateral Triangle

Length = n
Perimeter 60004284
Area 1.7322981532541E+14
Altitude 17321744.759965

Triangular Pyramid

Length = n
Surface area 1.7322981532541E+14
Volume 9.4301100569832E+20
Height 9428763.5814763