21479897 (number)

21479897 is an odd 8-digits composite number following 21479896 and preceding 21479898. In scientific notation, it is written as 2.1479897 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 21469056 positive integers (up to 21479897) that are relatively prime to 21479897.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-nine thousand eight hundred ninety-seven

Notation

Scientific notation 2.1479897 × 10^7
Engineering notation 2.1479897 × 10^6

Prime Factorization of 21479897

Prime Factorization 2609 × 8233

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21479897
Product of the distinct prime numbers

The prime factorization of 21479897 is 2609 × 8233. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21479897)

Multiplication

n×y
n×2 42959794
n×3 64439691
n×4 85919588
n×5 107399485

Division

n÷y
n÷2 10739948.5
n÷3 7159965.6666667
n÷3 5369974.25
n÷5 4295979.4

Exponentiation

ny
n2 461385975130609
n3 9.91052322305E+21
n4 2.1287701804722E+29
n5 4.5725764213215E+36

Nth Root

y√n
2√n 4634.6409785441
3√n 277.97819558813
4√n 68.078197527138
5√n 29.268902564849

Divisors of 21479897

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 -21479896
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 21479897 can be divided by 4 positive divisors. The sum of these divisors (counting 21479897) is 1, the average is 0.25.

Base conversion 21479897

Base System Value
2 Binary 1010001111100000111011001
3 Ternary 1111102021212202
4 Quaternary 1101330013121
5 Quinary 20444324042
6 Senary 2044215545
8 Octal 121740731
10 Decimal 21479897
12 Duodecimal 723a5b5
16 Hexadecimal 147c1d9
20 Vigesimal 6e4jeh
36 Base36 csdzt

Cryptographic Hash Functions

md5 b63a644a55a7be39e7883e20070db9af
sha1 7b2f67d22e60bdb0f2ed161a1fa86d775f82c4b8
sha256 121fde833f2a49f75b405443e10c3e8ea97b9990d907a2d833f87763eca2c9ec
sha512 4b264fc836f1283a67e20ddd3d3c49bc3fd9cf6a70fbc031d79fc5a478e7a4f9e6aacaafca13bebc97918bc32a5ad9ebe7a4f217e4299356c29b64c5f0149e24
ripemd-160 a00fbbe2f949c3c8fbce61dd6b9b96496ab70153

21479897 as geometric shapes

Circle

Radius = n
Diameter 42959794
Circumference 134962173.23013
Area 1.4494867899397E+15

Sphere

Radius = n
Volume 4.151310260102E+22
Surface area 5.7979471597587E+15
Circumference 134962173.23013

Square

Length = n
Perimeter 85919588
Area 461385975130609
Diagonal 30377161.655777

Cube

Length = n
Surface area 2768315850783654
Volume 9.91052322305E+21
Space diagonal 37204272.945346

Equilateral Triangle

Length = n
Perimeter 64439691
Area 1.9978598770648E+14
Altitude 18602136.472673

Triangular Pyramid

Length = n
Surface area 1.9978598770648E+14
Volume 1.1679663626876E+21
Height 10125720.551926