21492543 (number)

21492543 is an odd 8-digits composite number following 21492542 and preceding 21492544. In scientific notation, it is written as 2.1492543 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14298200 positive integers (up to 21492543) that are relatively prime to 21492543.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand five hundred forty-three

Notation

Scientific notation 2.1492543 × 10^7
Engineering notation 2.1492543 × 10^6

Prime Factorization of 21492543

Prime Factorization 3 × 491 × 14591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492543
Product of the distinct prime numbers

The prime factorization of 21492543 is 3 × 491 × 14591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492543)

Multiplication

n×y
n×2 42985086
n×3 64477629
n×4 85970172
n×5 107462715

Division

n÷y
n÷2 10746271.5
n÷3 7164181
n÷3 5373135.75
n÷5 4298508.6

Exponentiation

ny
n2 461929404606849
n3 9.9280375914771E+21
n4 2.1337877484044E+29
n5 4.5860524935454E+36

Nth Root

y√n
2√n 4636.0050690223
3√n 278.03273685871
4√n 68.088215346139
5√n 29.272348087962

Divisors of 21492543

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 -21492542
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 21492543 can be divided by 8 positive divisors. The sum of these divisors (counting 21492543) is 1, the average is 0.125.

Base conversion 21492543

Base System Value
2 Binary 1010001111111001100111111
3 Ternary 1111102221020010
4 Quaternary 1101333030333
5 Quinary 21000230133
6 Senary 2044354303
8 Octal 121771477
10 Decimal 21492543
12 Duodecimal 7245993
16 Hexadecimal 147f33f
20 Vigesimal 6e6b73
36 Base36 csnr3

Cryptographic Hash Functions

md5 9b4be5e61522d9a61bb619c13c831cfc
sha1 08df5fec9488f1f7280d8245e52c2ebe677ccd00
sha256 64c550cbfbbe4bdef25957e0b892f6e6d88f9d16081d781c868ab5d0cfded211
sha512 64847621c21bb65034ba23828699999424ca2a6e8e644c0f9129e6b4b492a3acb4935fa27748009d51b18b0911202b22e63069b9ddb3e1635391c1271237959a
ripemd-160 7ac59e3cf7493fc55bd62ffa442eb453c2a2bc2f

21492543 as geometric shapes

Circle

Radius = n
Diameter 42985086
Circumference 135041630.39153
Area 1.45119402399E+15

Sphere

Radius = n
Volume 4.158646661593E+22
Surface area 5.8047760959599E+15
Circumference 135041630.39153

Square

Length = n
Perimeter 85970172
Area 461929404606849
Diagonal 30395045.800487

Cube

Length = n
Surface area 2771576427641094
Volume 9.9280375914771E+21
Space diagonal 37226176.459859

Equilateral Triangle

Length = n
Perimeter 64477629
Area 2.0002129957228E+14
Altitude 18613088.229929

Triangular Pyramid

Length = n
Surface area 2.0002129957228E+14
Volume 1.1700304508014E+21
Height 10131681.933496