21492545 (number)

21492545 is an odd 8-digits composite number following 21492544 and preceding 21492546. In scientific notation, it is written as 2.1492545 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17194032 positive integers (up to 21492545) that are relatively prime to 21492545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492545 × 10^7
Engineering notation 2.1492545 × 10^6

Prime Factorization of 21492545

Prime Factorization 5 × 4298509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492545
Product of the distinct prime numbers

The prime factorization of 21492545 is 5 × 4298509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492545)

Multiplication

n×y
n×2 42985090
n×3 64477635
n×4 85970180
n×5 107462725

Division

n÷y
n÷2 10746272.5
n÷3 7164181.6666667
n÷3 5373136.25
n÷5 4298509

Exponentiation

ny
n2 461929490577025
n3 9.9280403630538E+21
n4 2.1337885426475E+29
n5 4.5860546273336E+36

Nth Root

y√n
2√n 4636.0052847252
3√n 278.03274548287
4√n 68.088216930136
5√n 29.272348632753

Divisors of 21492545

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 -21492544
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 21492545 can be divided by 4 positive divisors. The sum of these divisors (counting 21492545) is 1, the average is 0.25.

Base conversion 21492545

Base System Value
2 Binary 1010001111111001101000001
3 Ternary 1111102221020012
4 Quaternary 1101333031001
5 Quinary 21000230140
6 Senary 2044354305
8 Octal 121771501
10 Decimal 21492545
12 Duodecimal 7245995
16 Hexadecimal 147f341
20 Vigesimal 6e6b75
36 Base36 csnr5

Cryptographic Hash Functions

md5 fc00e447c6d560f17685485cb5d9e02b
sha1 e7b5ac99397f91fc1d685f219427bca4972c7907
sha256 83e7c4956b36f9fb98afc9472e6d98ec10dcba883971c9b152984597a6ba7a7c
sha512 054b79fc9193125b3881942bc100c7d9dae989fa5bb5b9bd1ffe72bb7ad0b98041fcbc2f5715cf89b649eef6875f45835cbc9201ce131cd8a86cf36f85b84fb7
ripemd-160 2eed3be2a3b3b4b42fa3a58eb0d2f02e169be66c

21492545 as geometric shapes

Circle

Radius = n
Diameter 42985090
Circumference 135041642.9579
Area 1.4511942940733E+15

Sphere

Radius = n
Volume 4.1586478225484E+22
Surface area 5.804777176293E+15
Circumference 135041642.9579

Square

Length = n
Perimeter 85970180
Area 461929490577025
Diagonal 30395048.628914

Cube

Length = n
Surface area 2771576943462150
Volume 9.9280403630538E+21
Space diagonal 37226179.92396

Equilateral Triangle

Length = n
Perimeter 64477635
Area 2.0002133679845E+14
Altitude 18613089.96198

Triangular Pyramid

Length = n
Surface area 2.0002133679845E+14
Volume 1.1700307774348E+21
Height 10131682.876305