21804906 (number)

21804906 is an even 8-digits composite number following 21804905 and preceding 21804907. In scientific notation, it is written as 2.1804906 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 7258944 positive integers (up to 21804906) that are relatively prime to 21804906.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred four thousand nine hundred six

Notation

Scientific notation 2.1804906 × 10^7
Engineering notation 2.1804906 × 10^6

Prime Factorization of 21804906

Prime Factorization 2 × 3 × 983 × 3697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21804906
Product of the distinct prime numbers

The prime factorization of 21804906 is 2 × 3 × 983 × 3697. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 67, 9, 166, 444, 6678, 8991, 26788, 83526, 471822, 735783, 2319288, 3025579, 2802683, 82200690, 97216566, 594061211, 4287375521, 8710767731

Basic calculations (n = 21804906)

Multiplication

n×y
n×2 43609812
n×3 65414718
n×4 87219624
n×5 109024530

Division

n÷y
n÷2 10902453
n÷3 7268302
n÷3 5451226.5
n÷5 4360981.2

Exponentiation

ny
n2 475453925668836
n3 1.036722815654E+22
n4 2.2605643543391E+29
n5 4.9291393253314E+36

Nth Root

y√n
2√n 4669.5723572935
3√n 279.37319824271
4√n 68.3342692746
5√n 29.356943956756

Divisors of 21804906

1, 2, 3, 6, 983, 1966, 2949, 3697, 5898, 7394, 11091, 22182, 3634151, 7268302, 10902453, 21804906

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21804905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21804906 can be divided by 16 positive divisors. The sum of these divisors (counting 21804906) is 1, the average is 0.0625.

Base conversion 21804906

Base System Value
2 Binary 1010011001011011101101010
3 Ternary 1112000210201010
4 Quaternary 1103023131222
5 Quinary 21040224111
6 Senary 2055204350
8 Octal 123133552
10 Decimal 21804906
12 Duodecimal 73766b6
16 Hexadecimal 14cb76a
20 Vigesimal 6g5c56
36 Base36 czcru

Cryptographic Hash Functions

md5 60a090ed7c9e87345aa25250b62cf7fd
sha1 4e40fd4f217fdb60c9c4c051214470c151f7ee71
sha256 d2c7ac1984cf47121d4250a70d98dd04d8d1f3be356ed764e82b61ae8e531673
sha512 04e46bfd4d3b751224eee3a43266702716dfd19dcb3bbdf5944b60f77bcf75208c910d82af45649b3dc70bce7b1242eb71463c9e8c45f56c4294037d5a618415
ripemd-160 d93fe4080307ece085c20b985f27f39831852ae0

21804906 as geometric shapes

Circle

Radius = n
Diameter 43609812
Circumference 137004265.00363
Area 1.4936825600016E+15

Sphere

Radius = n
Volume 4.34261437529E+22
Surface area 5.9747302400066E+15
Circumference 137004265.00363

Square

Length = n
Perimeter 87219624
Area 475453925668836
Diagonal 30836793.79147

Cube

Length = n
Surface area 2852723554013016
Volume 1.036722815654E+22
Space diagonal 37767205.046263

Equilateral Triangle

Length = n
Perimeter 65414718
Area 2.0587758897913E+14
Altitude 18883602.523132

Triangular Pyramid

Length = n
Surface area 2.0587758897913E+14
Volume 1.2217895552663E+21
Height 10278931.263823