21031528 (number)

21031528 is an even 8-digits composite number following 21031527 and preceding 21031529. In scientific notation, it is written as 2.1031528 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 9013488 positive integers (up to 21031528) that are relatively prime to 21031528.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred twenty-eight

Notation

Scientific notation 2.1031528 × 10^7
Engineering notation 2.1031528 × 10^6

Prime Factorization of 21031528

Prime Factorization 2 × 2 × 2 × 7 × 375563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5257882
Product of the distinct prime numbers

The prime factorization of 21031528 is 2 × 2 × 2 × 7 × 375563. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 21, 85, 412, 153, 4904, 1462, 99196, 96047, 885220, 513301, 7821506, 4387768, 10705352, 3038546, 37921783, 100734541, 9112848192, 9959956189

Basic calculations (n = 21031528)

Multiplication

n×y
n×2 42063056
n×3 63094584
n×4 84126112
n×5 105157640

Division

n÷y
n÷2 10515764
n÷3 7010509.3333333
n÷3 5257882
n÷5 4206305.6

Exponentiation

ny
n2 442325170014784
n3 9.3027741982707E+21
n4 1.9565155602861E+29
n5 4.1148511788592E+36

Nth Root

y√n
2√n 4586.0143916041
3√n 276.03041742758
4√n 67.720118071398
5√n 29.145678186739

Divisors of 21031528

1, 2, 4, 7, 8, 14, 28, 56, 375563, 751126, 1502252, 2628941, 3004504, 5257882, 10515764, 21031528

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031527
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031528 can be divided by 16 positive divisors. The sum of these divisors (counting 21031528) is 1, the average is 0.0625.

Base conversion 21031528

Base System Value
2 Binary 1010000001110101001101000
3 Ternary 1110120111211111
4 Quaternary 1100032221220
5 Quinary 20341002103
6 Senary 2030440104
8 Octal 120165150
10 Decimal 21031528
12 Duodecimal 7063034
16 Hexadecimal 140ea68
20 Vigesimal 6b8ig8
36 Base36 cis14

Cryptographic Hash Functions

md5 8418f72a4c9d0ca6c4943e11a5dc59a6
sha1 a7abced6c7c19c2eae7d32fc9381c39dd8c37788
sha256 477f433c19d03d3d65748763a9ab32edae4eb4a3632d44e867df9301e1344df2
sha512 bdf0cfa4f9e916a1438b4d6258b1753068c1c42d2ab06f119039b53b9c7f42b8e841201d8b040e0e4825a1be3c4a7807187530c2f85ba9b4ac48f7605fb28a86
ripemd-160 87444ddd4432c5a200486576445cf21f9506ecfd

21031528 as geometric shapes

Circle

Radius = n
Diameter 42063056
Circumference 132144987.71714
Area 1.3896055046163E+15

Sphere

Radius = n
Volume 3.8967369439056E+22
Surface area 5.5584220184652E+15
Circumference 132144987.71714

Square

Length = n
Perimeter 84126112
Area 442325170014784
Diagonal 29743072.135029

Cube

Length = n
Surface area 2653951020088704
Volume 9.3027741982707E+21
Space diagonal 36427675.056807

Equilateral Triangle

Length = n
Perimeter 63094584
Area 1.9153241698304E+14
Altitude 18213837.528404

Triangular Pyramid

Length = n
Surface area 1.9153241698304E+14
Volume 1.0963424532407E+21
Height 9914357.3783432