21028051 (number)

21028051 is an odd 8-digits composite number following 21028050 and preceding 21028052. In scientific notation, it is written as 2.1028051 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19116400 positive integers (up to 21028051) that are relatively prime to 21028051.

Interesting facts

Basic properties

Name

Name twenty-one million twenty-eight thousand fifty-one

Notation

Scientific notation 2.1028051 × 10^7
Engineering notation 2.1028051 × 10^6

Prime Factorization of 21028051

Prime Factorization 11 × 1911641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21028051
Product of the distinct prime numbers

The prime factorization of 21028051 is 11 × 1911641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21028051)

Multiplication

n×y
n×2 42056102
n×3 63084153
n×4 84112204
n×5 105140255

Division

n÷y
n÷2 10514025.5
n÷3 7009350.3333333
n÷3 5257012.75
n÷5 4205610.2

Exponentiation

ny
n2 442178928858601
n3 9.298161067164E+21
n4 1.9552220512654E+29
n5 4.1114509010333E+36

Nth Root

y√n
2√n 4585.6352885942
3√n 276.01520517646
4√n 67.717318970808
5√n 29.144714431511

Divisors of 21028051

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 -21028050
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 21028051 can be divided by 4 positive divisors. The sum of these divisors (counting 21028051) is 1, the average is 0.25.

Base conversion 21028051

Base System Value
2 Binary 1010000001101110011010011
3 Ternary 1110120100001201
4 Quaternary 1100031303103
5 Quinary 20340344201
6 Senary 2030412031
8 Octal 120156323
10 Decimal 21028051
12 Duodecimal 7061017
16 Hexadecimal 140dcd3
20 Vigesimal 6b8a2b
36 Base36 cipcj

Cryptographic Hash Functions

md5 f6d37efdd2ea8ad88c9c6519cceb24b3
sha1 837ca0c898ddf817640e960c1784f6cd12e605f0
sha256 587ce3d23887aaa1bf2c52b62b85a1251844615a831261f2026a437cb5cccebc
sha512 b59af523630dcc761385ae8de2b7976fb3184e9305b7a3efa26697592499e812920586ffdadbbd1125583a9afca2530e3c3baa1759b1765e3222b3d17d497554
ripemd-160 22e446bd8c19e1b8b79b47e52090068ee8e579af

21028051 as geometric shapes

Circle

Radius = n
Diameter 42056102
Circumference 132123141.08182
Area 1.3891460744744E+15

Sphere

Radius = n
Volume 3.8948046000663E+22
Surface area 5.5565842978975E+15
Circumference 132123141.08182

Square

Length = n
Perimeter 84112204
Area 442178928858601
Diagonal 29738154.914473

Cube

Length = n
Surface area 2653073573151606
Volume 9.298161067164E+21
Space diagonal 36421652.71615

Equilateral Triangle

Length = n
Perimeter 63084153
Area 1.9146909270487E+14
Altitude 18210826.358075

Triangular Pyramid

Length = n
Surface area 1.9146909270487E+14
Volume 1.0957987905261E+21
Height 9912718.3048244