21528345 (number)

21528345 is an odd 8-digits composite number following 21528344 and preceding 21528346. In scientific notation, it is written as 2.1528345 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10982400 positive integers (up to 21528345) that are relatively prime to 21528345.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty-eight thousand three hundred forty-five

Notation

Scientific notation 2.1528345 × 10^7
Engineering notation 2.1528345 × 10^6

Prime Factorization of 21528345

Prime Factorization 3 × 5 × 23 × 62401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21528345
Product of the distinct prime numbers

The prime factorization of 21528345 is 3 × 5 × 23 × 62401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 22, 7, 785, 487, 7122, 2803, 13226, 38056, 753830, 237763, 6336884, 7632919, 71497282, 33320597, 49040592, 123412234, 9709586020, 9276484984

Basic calculations (n = 21528345)

Multiplication

n×y
n×2 43056690
n×3 64585035
n×4 86113380
n×5 107641725

Division

n÷y
n÷2 10764172.5
n÷3 7176115
n÷3 5382086.25
n÷5 4305669

Exponentiation

ny
n2 463469638439025
n3 9.9777342733406E+21
n4 2.148041057548E+29
n5 4.6243768961058E+36

Nth Root

y√n
2√n 4639.8647609602
3√n 278.18703232764
4√n 68.116552767739
5√n 29.282093896076

Divisors of 21528345

1, 3, 5, 15, 23, 69, 115, 345, 62401, 187203, 312005, 936015, 1435223, 4305669, 7176115, 21528345

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 -21528344
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 21528345 can be divided by 16 positive divisors. The sum of these divisors (counting 21528345) is 1, the average is 0.0625.

Base conversion 21528345

Base System Value
2 Binary 1010010000111111100011001
3 Ternary 1111111202100010
4 Quaternary 1102013330121
5 Quinary 21002401340
6 Senary 2045232133
8 Octal 122077431
10 Decimal 21528345
12 Duodecimal 7262649
16 Hexadecimal 1487f19
20 Vigesimal 6eb0h5
36 Base36 ctfdl

Cryptographic Hash Functions

md5 97294edc61f0f8c4726bc9b9217ee66b
sha1 ce0b9b7d4d3e4b63f006128bf410950981492862
sha256 1af65a252b1fda9262787e577d79be286a7f9f11f7c7c9dee4a6636626d02c5e
sha512 fb0311d72d5c7821b67bb4d878547c54b2d82988e27b176d835d3893c9601d8c3da14f1c6ede015b5fafdb9610c14259981a65e00421287b4338c8b5879b965a
ripemd-160 d0ca8a71ebbca9d32c923a6020322094f2229563

21528345 as geometric shapes

Circle

Radius = n
Diameter 43056690
Circumference 135266580.99189
Area 1.456032811282E+15

Sphere

Radius = n
Volume 4.1794635590131E+22
Surface area 5.8241312451278E+15
Circumference 135266580.99189

Square

Length = n
Perimeter 86113380
Area 463469638439025
Diagonal 30445677.474447

Cube

Length = n
Surface area 2780817830634150
Volume 9.9777342733406E+21
Space diagonal 37288187.342871

Equilateral Triangle

Length = n
Perimeter 64585035
Area 2.0068824038549E+14
Altitude 18644093.671436

Triangular Pyramid

Length = n
Surface area 2.0068824038549E+14
Volume 1.1758872609261E+21
Height 10148559.158149