21492531 (number)

21492531 is an odd 8-digits composite number following 21492530 and preceding 21492532. In scientific notation, it is written as 2.1492531 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14328348 positive integers (up to 21492531) that are relatively prime to 21492531.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand five hundred thirty-one

Notation

Scientific notation 2.1492531 × 10^7
Engineering notation 2.1492531 × 10^6

Prime Factorization of 21492531

Prime Factorization 9 × 2388059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492531
Product of the distinct prime numbers

The prime factorization of 21492531 is 9 × 2388059. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492531)

Multiplication

n×y
n×2 42985062
n×3 64477593
n×4 85970124
n×5 107462655

Division

n÷y
n÷2 10746265.5
n÷3 7164177
n÷3 5373132.75
n÷5 4298506.2

Exponentiation

ny
n2 461928888785961
n3 9.9280209620278E+21
n4 2.1337829829503E+29
n5 4.5860396908332E+36

Nth Root

y√n
2√n 4636.0037748043
3√n 278.03268511373
4√n 68.08820584216
5√n 29.272344819217

Divisors of 21492531

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 -21492530
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 21492531 can be divided by 4 positive divisors. The sum of these divisors (counting 21492531) is 1, the average is 0.25.

Base conversion 21492531

Base System Value
2 Binary 1010001111111001100110011
3 Ternary 1111102221012200
4 Quaternary 1101333030303
5 Quinary 21000230111
6 Senary 2044354243
8 Octal 121771463
10 Decimal 21492531
12 Duodecimal 7245983
16 Hexadecimal 147f333
20 Vigesimal 6e6b6b
36 Base36 csnqr

Cryptographic Hash Functions

md5 04a4427b82fd4bb5bcdac1872cdb8db3
sha1 a4947eed6b27ffad4b74552d6b2ddd816972f5a8
sha256 586d0ef0033e2b0ecbf6b170c076309c47ab59d17aac05b6a4f518f61af86d78
sha512 0a7c85c5e2c13cca4a946d303c6700fc92f8640daedd71b6dd3493fdbb4fa365329d446fe16c6f95c582744042dc9271b64736e448c33771c1afdc4fb49b85ee
ripemd-160 5a8382e3c962f9d517d0e24b82501e41460212c9

21492531 as geometric shapes

Circle

Radius = n
Diameter 42985062
Circumference 135041554.9933
Area 1.4511924034909E+15

Sphere

Radius = n
Volume 4.1586396958656E+22
Surface area 5.8047696139635E+15
Circumference 135041554.9933

Square

Length = n
Perimeter 85970124
Area 461928888785961
Diagonal 30395028.829924

Cube

Length = n
Surface area 2771573332715766
Volume 9.9280209620278E+21
Space diagonal 37226155.675249

Equilateral Triangle

Length = n
Perimeter 64477593
Area 2.0002107621528E+14
Altitude 18613077.837625

Triangular Pyramid

Length = n
Surface area 2.0002107621528E+14
Volume 1.170028491002E+21
Height 10131676.276641