21490825 (number)

21490825 is an odd 8-digits composite number following 21490824 and preceding 21490826. In scientific notation, it is written as 2.1490825 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17192640 positive integers (up to 21490825) that are relatively prime to 21490825.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred twenty-five

Notation

Scientific notation 2.1490825 × 10^7
Engineering notation 2.1490825 × 10^6

Prime Factorization of 21490825

Prime Factorization 25 × 859633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490825
Product of the distinct prime numbers

The prime factorization of 21490825 is 25 × 859633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490825)

Multiplication

n×y
n×2 42981650
n×3 64472475
n×4 85963300
n×5 107454125

Division

n÷y
n÷2 10745412.5
n÷3 7163608.3333333
n÷3 5372706.25
n÷5 4298165

Exponentiation

ny
n2 461855559180625
n3 9.925656997628E+21
n4 2.1331055754605E+29
n5 4.5842198628745E+36

Nth Root

y√n
2√n 4635.8197764797
3√n 278.02532850674
4√n 68.086854652566
5√n 29.27188009772

Divisors of 21490825

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 -21490824
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 21490825 can be divided by 4 positive divisors. The sum of these divisors (counting 21490825) is 1, the average is 0.25.

Base conversion 21490825

Base System Value
2 Binary 1010001111110110010001001
3 Ternary 1111102211212111
4 Quaternary 1101332302021
5 Quinary 21000201300
6 Senary 2044342321
8 Octal 121766211
10 Decimal 21490825
12 Duodecimal 72449a1
16 Hexadecimal 147ec89
20 Vigesimal 6e6715
36 Base36 csmfd

Cryptographic Hash Functions

md5 f402e641d61403d259142e705e02f818
sha1 d096af3e509cd7433d242d1311a7f2b556562d0a
sha256 220c58547dbce69b936bf22c4c1c94204813df888aaad93782aeded8cee42d3e
sha512 cd6e1a0bed94d534e2ef15a77ffbb1ecbadc897208d40228f1d5cf7f400230f8458e90ff44415d6d1c391134384f9789016c53c99bb88219b97c2683f47febd6
ripemd-160 35d777addac28a284cc586b9b81091f44d58dc6c

21490825 as geometric shapes

Circle

Radius = n
Diameter 42981650
Circumference 135030835.87917
Area 1.4509620317415E+15

Sphere

Radius = n
Volume 4.1576494807733E+22
Surface area 5.8038481269658E+15
Circumference 135030835.87917

Square

Length = n
Perimeter 85963300
Area 461855559180625
Diagonal 30392616.181587

Cube

Length = n
Surface area 2771133355083750
Volume 9.925656997628E+21
Space diagonal 37223200.796571

Equilateral Triangle

Length = n
Perimeter 64472475
Area 1.9998932356474E+14
Altitude 18611600.398286

Triangular Pyramid

Length = n
Surface area 1.9998932356474E+14
Volume 1.1697498951257E+21
Height 10130872.060529