21558 (number)

21558 is an even 5-digits composite number following 21557 and preceding 21559. In scientific notation, it is written as 2.1558 × 10^4. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 7184 positive integers (up to 21558) that are relatively prime to 21558.

Interesting facts

Basic properties

Name

Name twenty-one thousand five hundred fifty-eight

Notation

Scientific notation 2.1558 × 10^4
Engineering notation 2.1558 × 10^3

Prime Factorization of 21558

Prime Factorization 2 × 3 × 3593

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21558
Product of the distinct prime numbers

The prime factorization of 21558 is 2 × 3 × 3593. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 11, 76, 700, 555, 1006, 7522, 98213, 51311, 943828, 647854, 4069405, 379543, 46406183, 49147665, 566582629, 999042187, 823498324, 296712527

Basic calculations (n = 21558)

Multiplication

n×y
n×2 43116
n×3 64674
n×4 86232
n×5 107790

Division

n÷y
n÷2 10779
n÷3 7186
n÷3 5389.5
n÷5 4311.6

Exponentiation

ny
n2 464747364
n3 10019023673112
n4 215990112344948496
n5 4.6563148419324E+21

Nth Root

y√n
2√n 146.82642813881
3√n 27.831470666302
4√n 12.117195555854
5√n 7.3573546918607

Divisors of 21558

1, 2, 3, 6, 3593, 7186, 10779, 21558

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21558 can be divided by 8 positive divisors. The sum of these divisors (counting 21558) is 1, the average is 0.125.

Base conversion 21558

Base System Value
2 Binary 101010000110110
3 Ternary 1002120110
4 Quaternary 11100312
5 Quinary 1142213
6 Senary 243450
8 Octal 52066
10 Decimal 21558
12 Duodecimal 10586
16 Hexadecimal 5436
20 Vigesimal 2dhi
36 Base36 gmu

Cryptographic Hash Functions

md5 3fc19681d9d74f31286a182d200b9e7f
sha1 6b461cb646ee44d311f346c599db90667c06b33f
sha256 ae6bcfee6dd63ea93879af390d7d88c2e8ec34cbb97741481785e0adfee0b435
sha512 79861370b48f153762e8bec4b3c2db1a927b91ae1f87e84943cdbb1e6f0b820e115b52393740288ace1ba2d64173bd7de621648bed92687b4f53ff5ba1a8e8b3
ripemd-160 bd68e44f9416ffceb0383a34e30ae3a0498c7ad1

21558 as geometric shapes

Circle

Radius = n
Diameter 43116
Circumference 135452.90885218
Area 1460046904.5176

Sphere

Radius = n
Volume 41967588223455
Surface area 5840187618.0705
Circumference 135452.90885218

Square

Length = n
Perimeter 86232
Area 464747364
Diagonal 30487.615977639

Cube

Length = n
Surface area 2788484184
Volume 10019023673112
Space diagonal 37339.55130957

Equilateral Triangle

Length = n
Perimeter 64674
Area 201241511.78293
Altitude 18669.775654785

Triangular Pyramid

Length = n
Surface area 201241511.78293
Volume 1180753263354.3
Height 10162.538659213