21804890 (number)

21804890 is an even 8-digits composite number following 21804889 and preceding 21804891. In scientific notation, it is written as 2.1804890 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8635200 positive integers (up to 21804890) that are relatively prime to 21804890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1804890 × 10^7
Engineering notation 2.1804890 × 10^6

Prime Factorization of 21804890

Prime Factorization 2 × 5 × 101 × 21589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21804890
Product of the distinct prime numbers

The prime factorization of 21804890 is 2 × 5 × 101 × 21589. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 26, 86, 25, 792, 7688, 5316, 38965, 5791, 382593, 161497, 7831059, 7606057, 42872305, 36631690, 324256748, 634172926, 13095330, 9074176677

Basic calculations (n = 21804890)

Multiplication

n×y
n×2 43609780
n×3 65414670
n×4 87219560
n×5 109024450

Division

n÷y
n÷2 10902445
n÷3 7268296.6666667
n÷3 5451222.5
n÷5 4360978

Exponentiation

ny
n2 475453227912100
n3 1.0367205334768E+22
n4 2.2605577193204E+29
n5 4.9291212408431E+36

Nth Root

y√n
2√n 4669.5706440742
3√n 279.37312990989
4√n 68.33425673902
5√n 29.356939648448

Divisors of 21804890

1, 2, 5, 10, 101, 202, 505, 1010, 21589, 43178, 107945, 215890, 2180489, 4360978, 10902445, 21804890

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 -21804889
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 21804890 can be divided by 16 positive divisors. The sum of these divisors (counting 21804890) is 1, the average is 0.0625.

Base conversion 21804890

Base System Value
2 Binary 1010011001011011101011010
3 Ternary 1112000210200112
4 Quaternary 1103023131122
5 Quinary 21040224030
6 Senary 2055204322
8 Octal 123133532
10 Decimal 21804890
12 Duodecimal 73766a2
16 Hexadecimal 14cb75a
20 Vigesimal 6g5c4a
36 Base36 czcre

Cryptographic Hash Functions

md5 457ad46a4b76029d94e6635a5ad7dfd3
sha1 7723a7b0a00604496ef36b3e3ede1cab064bfa13
sha256 b101e84f9a3cdd50316e70f5f1ce4d9bd6879307b73fae4896c7cafc7ad82574
sha512 c0bb643e3f7bc6c2292a953371b9faf79f97f38abcefbc55a89d57ef28ac3df7e6b25536ff3d1e0cb2b6050ea50d3b53389fc6cdd4f3ba2f1edeedce1eb9e6f9
ripemd-160 1f42a193aecb3e2e734300a3a0ad0844322cc1a8

21804890 as geometric shapes

Circle

Radius = n
Diameter 43609780
Circumference 137004164.47267
Area 1.4936803679342E+15

Sphere

Radius = n
Volume 4.3426048157287E+22
Surface area 5.9747214717368E+15
Circumference 137004164.47267

Square

Length = n
Perimeter 87219560
Area 475453227912100
Diagonal 30836771.164053

Cube

Length = n
Surface area 2852719367472600
Volume 1.0367205334768E+22
Space diagonal 37767177.333451

Equilateral Triangle

Length = n
Perimeter 65414670
Area 2.058772868416E+14
Altitude 18883588.666725

Triangular Pyramid

Length = n
Surface area 2.058772868416E+14
Volume 1.2217868656947E+21
Height 10278923.721351