21798 (number)

21798 is an even 5-digits composite number following 21797 and preceding 21799. In scientific notation, it is written as 2.1798 × 10^4. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6192 positive integers (up to 21798) that are relatively prime to 21798.

Interesting facts

Basic properties

Name

Name twenty-one thousand seven hundred ninety-eight

Notation

Scientific notation 2.1798 × 10^4
Engineering notation 2.1798 × 10^3

Prime Factorization of 21798

Prime Factorization 2 × 7 × 3 × 3 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7266
Product of the distinct prime numbers

The prime factorization of 21798 is 2 × 7 × 3 × 3 × 173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 1, 66, 979, 8, 188, 5460, 4802, 74665, 939320, 458290, 1819937, 2045987, 56079661, 23177626, 976647726, 101015885, 6555266481, 7965453064

Basic calculations (n = 21798)

Multiplication

n×y
n×2 43596
n×3 65394
n×4 87192
n×5 108990

Division

n÷y
n÷2 10899
n÷3 7266
n÷3 5449.5
n÷5 4359.6

Exponentiation

ny
n2 475152804
n3 10357380821592
n4 225770187149062416
n5 4.9213385394753E+21

Nth Root

y√n
2√n 147.64145759237
3√n 27.934370098142
4√n 12.150780122789
5√n 7.3736637567903

Divisors of 21798

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173, 346, 519, 1038, 1211, 1557, 2422, 3114, 3633, 7266, 10899, 21798

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21797
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21798 can be divided by 24 positive divisors. The sum of these divisors (counting 21798) is 1, the average is 0.041666666666667.

Base conversion 21798

Base System Value
2 Binary 101010100100110
3 Ternary 1002220100
4 Quaternary 11110212
5 Quinary 1144143
6 Senary 244530
8 Octal 52446
10 Decimal 21798
12 Duodecimal 10746
16 Hexadecimal 5526
20 Vigesimal 2e9i
36 Base36 gti

Cryptographic Hash Functions

md5 ba0c3a8d191e1921f963c1ac3edcb044
sha1 ced398b113077937d3fae124e1c12d395a4bf6b9
sha256 2b8612d103fb01b6a65ae1bf8b665fbb90c0783998596def70e813251d28737c
sha512 021620ae022aa2b384ad93191057e8ec6152180ad8306315876c5f82699bd843cd7e2cb4ea91acfc8d6506ea9fc97b573b00a65244c4c53ef96a4552fc989ded
ripemd-160 180c954df25e6b104f36af2f9ccf460ec793ae6e

21798 as geometric shapes

Circle

Radius = n
Diameter 43596
Circumference 136960.8733259
Area 1492736558.379

Sphere

Radius = n
Volume 43384895332727
Surface area 5970946233.516
Circumference 136960.8733259

Square

Length = n
Perimeter 87192
Area 475152804
Diagonal 30827.027232609

Cube

Length = n
Surface area 2850916824
Volume 10357380821592
Space diagonal 37755.243503386

Equilateral Triangle

Length = n
Perimeter 65394
Area 205747199.4717
Altitude 18877.621751693

Triangular Pyramid

Length = n
Surface area 205747199.4717
Volume 1220629035713.2
Height 10275.675744203