21804818 (number)

21804818 is an even 8-digits composite number following 21804817 and preceding 21804819. In scientific notation, it is written as 2.1804818 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8852976 positive integers (up to 21804818) that are relatively prime to 21804818.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1804818 × 10^7
Engineering notation 2.1804818 × 10^6

Prime Factorization of 21804818

Prime Factorization 2 × 7 × 19 × 81973

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21804818
Product of the distinct prime numbers

The prime factorization of 21804818 is 2 × 7 × 19 × 81973. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 8, 48, 452, 695, 8426, 5608, 2908, 39035, 450290, 396416, 5572271, 3248636, 54030171, 35837825, 109967143, 625280053, 2905706006, 7449683026

Basic calculations (n = 21804818)

Multiplication

n×y
n×2 43609636
n×3 65414454
n×4 87219272
n×5 109024090

Division

n÷y
n÷2 10902409
n÷3 7268272.6666667
n÷3 5451204.5
n÷5 4360963.6

Exponentiation

ny
n2 475450088013124
n3 1.036710263721E+22
n4 2.2605278619169E+29
n5 4.9290398613027E+36

Nth Root

y√n
2√n 4669.5629345796
3√n 279.37282241178
4√n 68.334200328822
5√n 29.356920261032

Divisors of 21804818

1, 2, 7, 14, 19, 38, 133, 266, 81973, 163946, 573811, 1147622, 1557487, 3114974, 10902409, 21804818

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 -21804817
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 21804818 can be divided by 16 positive divisors. The sum of these divisors (counting 21804818) is 1, the average is 0.0625.

Base conversion 21804818

Base System Value
2 Binary 1010011001011011100010010
3 Ternary 1112000210120212
4 Quaternary 1103023130102
5 Quinary 21040223233
6 Senary 2055204122
8 Octal 123133422
10 Decimal 21804818
12 Duodecimal 7376642
16 Hexadecimal 14cb712
20 Vigesimal 6g5c0i
36 Base36 czcpe

Cryptographic Hash Functions

md5 6b4ed2cc9a097bcbec338ddcce2d9283
sha1 766322a56b01a856e1728290539b158559dafdbf
sha256 2b64bf143c45755a723ca25e7074269f20e2c0809a96694227ead99d07ce7b1f
sha512 e74516d6c881a3219a9aad6c7140898eb52787e918382b37217017190c5ce2417528bfe3c127ba126a08b7bec6a27855c37ba8e51e260def0a27bbe3cef7e2b8
ripemd-160 d608feedd5af482bfec282143d197064b82deead

21804818 as geometric shapes

Circle

Radius = n
Diameter 43609636
Circumference 137003712.08332
Area 1.4936705036507E+15

Sphere

Radius = n
Volume 4.3425617978761E+22
Surface area 5.9746820146026E+15
Circumference 137003712.08332

Square

Length = n
Perimeter 87219272
Area 475450088013124
Diagonal 30836669.340677

Cube

Length = n
Surface area 2852700528078744
Volume 1.036710263721E+22
Space diagonal 37767052.625792

Equilateral Triangle

Length = n
Perimeter 65414454
Area 2.0587592722546E+14
Altitude 18883526.312896

Triangular Pyramid

Length = n
Surface area 2.0587592722546E+14
Volume 1.2217747626714E+21
Height 10278889.780226