21082521 (number)

21082521 is an odd 8-digits composite number following 21082520 and preceding 21082522. In scientific notation, it is written as 2.1082521 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14031072 positive integers (up to 21082521) that are relatively prime to 21082521.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-two thousand five hundred twenty-one

Notation

Scientific notation 2.1082521 × 10^7
Engineering notation 2.1082521 × 10^6

Prime Factorization of 21082521

Prime Factorization 3 × 11353 × 619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082521
Product of the distinct prime numbers

The prime factorization of 21082521 is 3 × 11353 × 619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082521)

Multiplication

n×y
n×2 42165042
n×3 63247563
n×4 84330084
n×5 105412605

Division

n÷y
n÷2 10541260.5
n÷3 7027507
n÷3 5270630.25
n÷5 4216504.2

Exponentiation

ny
n2 444472691715441
n3 9.3706048570173E+21
n4 1.9755597368077E+29
n5 4.1649779638003E+36

Nth Root

y√n
2√n 4591.5706463039
3√n 276.25332496698
4√n 67.761129316917
5√n 29.159797810014

Divisors of 21082521

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21082520
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21082521 can be divided by 8 positive divisors. The sum of these divisors (counting 21082521) is 1, the average is 0.125.

Base conversion 21082521

Base System Value
2 Binary 1010000011011000110011001
3 Ternary 1110200002210010
4 Quaternary 1100123012121
5 Quinary 20344120041
6 Senary 2031512133
8 Octal 120330631
10 Decimal 21082521
12 Duodecimal 7088649
16 Hexadecimal 141b199
20 Vigesimal 6bf661
36 Base36 cjvdl

Cryptographic Hash Functions

md5 c928be3839285abf49faec8ab28506da
sha1 e6bc34d4734ef345af5558c44b3f181946e6b76f
sha256 8504f7b293d2800f2b7de626b0c6b8ccb40c9efd22b9ee731081c237eedf298b
sha512 407abd0ab0340ada370ccfc795b6bfec2480c042e9acb904eb10b9c2d169a08a56a40442f850a872c1ffe1cdde9fc47c1f58be6d7fe029df82781172d6fde6d6
ripemd-160 6b70c950db795faca9592268032dbfcb50b9f00c

21082521 as geometric shapes

Circle

Radius = n
Diameter 42165042
Circumference 132465386.18551
Area 1.3963521430145E+15

Sphere

Radius = n
Volume 3.9251497837998E+22
Surface area 5.585408572058E+15
Circumference 132465386.18551

Square

Length = n
Perimeter 84330084
Area 444472691715441
Diagonal 29815187.127216

Cube

Length = n
Surface area 2666836150292646
Volume 9.3706048570173E+21
Space diagonal 36515997.523638

Equilateral Triangle

Length = n
Perimeter 63247563
Area 1.9246232115701E+14
Altitude 18257998.761819

Triangular Pyramid

Length = n
Surface area 1.9246232115701E+14
Volume 1.1043363730361E+21
Height 9938395.7090719