21546989 is an odd 8-digits composite number following 21546988
and preceding 21546990 . In scientific notation, it is written as 2.1546989 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 21304800 positive integers (up to 21546989) that are relatively prime to 21546989.
21546989 has 4 divisors, whose sum is 21789180
The reverse of 21546989 is 98964512
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million five hundred forty-six thousand nine hundred eighty-nine
Scientific notation
2.1546989 × 10^7
Engineering notation
2.1546989 × 10^6
Prime Factorization
89 × 242101
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21546989
Product of the distinct prime numbers
The prime factorization of 21546989 is 89 × 242101.
Since it has a total of 2 prime factors.
6 , 4 , 3 , 41 , 683 , 259 , 3339 , 3599 , 26285 , 28696 , 466620 , 107494 , 7268143 , 1546425 , 58882703 , 62356146 , 201674571 , 481087598 , 4053156857 , 1019698079
n×2
43093978
n×3
64640967
n×4
86187956
n×5
107734945
n÷2
10773494.5
n÷3
7182329.6666667
n÷3
5386747.25
n÷5
4309397.8
n2
464272734966121
n3
1.0003679513315E+22
n4
2.1554917243292E+29
n5
4.6444356473713E+36
2 √n
4641.8734364478
3 √n
278.26731443229
4 √n
68.131295572944
5 √n
29.287163922036
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
-21546988
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 21546989 can be divided by 4 positive divisors.
The sum of these divisors (counting 21546989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001100011111101101
3
Ternary
1111112200220122
4
Quaternary
1102030133231
5
Quinary
21004000424
6
Senary
2045454325
8
Octal
122143755
10
Decimal
21546989
12
Duodecimal
72713a5
16
Hexadecimal
148c7ed
20
Vigesimal
6ed799
36
Base36
cttrh
md5
d56fab587da7e791808b1bb3f031adce
sha1
822ac650b27e90fd5438898a69231d191832ed20
sha256
cdafceebc54ca0fc96d3866a9183cef50f0357aaedae40cb716f88fe6fe961ca
sha512
4740081d501dc8ce600e74ece85ca2ccc500d4736c841d60bda1d55b2aae3fa8721c1acd5d09783f0b5bb2e767b46fe37c28897b3de04a6945e57887b09250fe
ripemd-160
8adf468097898cbf6f6adc58a3365818324adea0
Diameter
43093978
Circumference
135383724.69876
Area
1.4585558134316E+15
Volume
4.1903314757196E+22
Surface area
5.8342232537264E+15
Circumference
135383724.69876
Perimeter
86187956
Area
464272734966121
Diagonal
30472044.072104
Surface area
2785636409796726
Volume
1.0003679513315E+22
Space diagonal
37320479.698128
Perimeter
64640967
Area
2.0103599138257E+14
Altitude
18660239.849064
Surface area
2.0103599138257E+14
Volume
1.1789449367803E+21
Height
10157348.024035