21554986 (number)

21554986 is an even 8-digits composite number following 21554985 and preceding 21554987. In scientific notation, it is written as 2.1554986 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 10777492 positive integers (up to 21554986) that are relatively prime to 21554986.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand nine hundred eighty-six

Notation

Scientific notation 2.1554986 × 10^7
Engineering notation 2.1554986 × 10^6

Prime Factorization of 21554986

Prime Factorization 2 × 10777493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21554986
Product of the distinct prime numbers

The prime factorization of 21554986 is 2 × 10777493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554986)

Multiplication

n×y
n×2 43109972
n×3 64664958
n×4 86219944
n×5 107774930

Division

n÷y
n÷2 10777493
n÷3 7184995.3333333
n÷3 5388746.5
n÷5 4310997.2

Exponentiation

ny
n2 464617421460196
n3 1.0014822014931E+22
n4 2.1586934832432E+29
n5 4.6530607809599E+36

Nth Root

y√n
2√n 4642.7347544308
3√n 278.30173576867
4√n 68.137616295486
5√n 29.289337540704

Divisors of 21554986

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21554985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21554986 can be divided by 4 positive divisors. The sum of these divisors (counting 21554986) is 1, the average is 0.25.

Base conversion 21554986

Base System Value
2 Binary 1010010001110011100101010
3 Ternary 1111120002212211
4 Quaternary 1102032130222
5 Quinary 21004224421
6 Senary 2045555334
8 Octal 122163452
10 Decimal 21554986
12 Duodecimal 7275b4a
16 Hexadecimal 148e72a
20 Vigesimal 6ee796
36 Base36 ctzxm

Cryptographic Hash Functions

md5 cd8ba0d4055f9f86c58a9be977e45e62
sha1 3e68c125f8ece3e0954c941d5f08b575500c090a
sha256 ae4adbfca75e64b7234003af67f56a9c4bd6e5c9e28fb4c50d75c4df2fcf8c3b
sha512 b672f3a280a8a90a75848017e93a055f949a8dfceae7de635535344fd6383901feaabe4f8d35000db49389c490aed6f8aedeceb6d63ef9d7aab8d37b873d904c
ripemd-160 5c2db326fda69bf6936465923aa558c91c76d367

21554986 as geometric shapes

Circle

Radius = n
Diameter 43109972
Circumference 135433971.33166
Area 1.4596386779892E+15

Sphere

Radius = n
Volume 4.1949988358821E+22
Surface area 5.8385547119567E+15
Circumference 135433971.33166

Square

Length = n
Perimeter 86219944
Area 464617421460196
Diagonal 30483353.537962

Cube

Length = n
Surface area 2787704528761176
Volume 1.0014822014931E+22
Space diagonal 37334330.908436

Equilateral Triangle

Length = n
Perimeter 64664958
Area 2.0118524501268E+14
Altitude 18667165.454218

Triangular Pyramid

Length = n
Surface area 2.0118524501268E+14
Volume 1.180258093189E+21
Height 10161117.845987