21490847 (number)

21490847 is an odd 8-digits composite number following 21490846 and preceding 21490848. In scientific notation, it is written as 2.1490847 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17772480 positive integers (up to 21490847) that are relatively prime to 21490847.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred forty-seven

Notation

Scientific notation 2.1490847 × 10^7
Engineering notation 2.1490847 × 10^6

Prime Factorization of 21490847

Prime Factorization 7 × 4223 × 727

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490847
Product of the distinct prime numbers

The prime factorization of 21490847 is 7 × 4223 × 727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490847)

Multiplication

n×y
n×2 42981694
n×3 64472541
n×4 85963388
n×5 107454235

Division

n÷y
n÷2 10745423.5
n÷3 7163615.6666667
n÷3 5372711.75
n÷5 4298169.4

Exponentiation

ny
n2 461856504777409
n3 9.9256874801261E+21
n4 2.133114310052E+29
n5 4.5842433270839E+36

Nth Root

y√n
2√n 4635.8221493064
3√n 278.02542337754
4√n 68.086872077563
5√n 29.271886090799

Divisors of 21490847

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 -21490846
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 21490847 can be divided by 8 positive divisors. The sum of these divisors (counting 21490847) is 1, the average is 0.125.

Base conversion 21490847

Base System Value
2 Binary 1010001111110110010011111
3 Ternary 1111102211220022
4 Quaternary 1101332302133
5 Quinary 21000201342
6 Senary 2044342355
8 Octal 121766237
10 Decimal 21490847
12 Duodecimal 72449bb
16 Hexadecimal 147ec9f
20 Vigesimal 6e6727
36 Base36 csmfz

Cryptographic Hash Functions

md5 be2339ace47721a6eaa14fbbb110f881
sha1 f4c6e418d77f0c6bf72ebb45c44589c698ca9b05
sha256 9b632e3d93c1409d88ebae286b683d0f9dbc714db4d314ada3a6803af4556158
sha512 f60e6ff1390c5692aef5414b6ec4834364950d8e2e71103bde7c06bbe14f6ab4f66a5ca19e05f2bef662fbb7363d94d785eb21de8280de6e4d4e16c137440d25
ripemd-160 1b1398a08dfda026b07a084e2c2697666a334f1e

21490847 as geometric shapes

Circle

Radius = n
Diameter 42981694
Circumference 135030974.10924
Area 1.4509650024214E+15

Sphere

Radius = n
Volume 4.1576622492523E+22
Surface area 5.8038600096855E+15
Circumference 135030974.10924

Square

Length = n
Perimeter 85963388
Area 461856504777409
Diagonal 30392647.294285

Cube

Length = n
Surface area 2771139028664454
Volume 9.9256874801261E+21
Space diagonal 37223238.901689

Equilateral Triangle

Length = n
Perimeter 64472541
Area 1.9998973302016E+14
Altitude 18611619.450845

Triangular Pyramid

Length = n
Surface area 1.9998973302016E+14
Volume 1.1697534875226E+21
Height 10130882.431428