21550189 is an odd 8-digits composite number following 21550188
and preceding 21550190 . In scientific notation, it is written as 2.1550189 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21526624 positive integers (up to 21550189) that are relatively prime to 21550189.
21550189 has 4 divisors, whose sum is 21573756
The reverse of 21550189 is 98105512
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty thousand one hundred eighty-nine
Scientific notation
2.1550189 × 10^7
Engineering notation
2.1550189 × 10^6
Prime Factorization
953 × 22613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21550189
Product of the distinct prime numbers
The prime factorization of 21550189 is 953 × 22613.
Since it has a total of 2 prime factors.
4 , 1 , 3 , 42 , 702 , 603 , 2791 , 1446 , 8928 , 53110 , 914876 , 59607 , 7786135 , 6697192 , 12983294 , 24458350 , 23859105 , 948813703 , 2912140970 , 9911017428
n×2
43100378
n×3
64650567
n×4
86200756
n×5
107750945
n÷2
10775094.5
n÷3
7183396.3333333
n÷3
5387547.25
n÷5
4310037.8
n2
464410645935721
n3
1.0008137193527E+22
n4
2.1567724805843E+29
n5
4.6478854586591E+36
2 √n
4642.2181120667
3 √n
278.28108915396
4 √n
68.133825021546
5 √n
29.288033773111
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
-21550188
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 21550189 can be divided by 4 positive divisors.
The sum of these divisors (counting 21550189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101010001101101
3
Ternary
1111112212022011
4
Quaternary
1102031101231
5
Quinary
21004101224
6
Senary
2045521221
8
Octal
122152155
10
Decimal
21550189
12
Duodecimal
7273211
16
Hexadecimal
148d46d
20
Vigesimal
6edf99
36
Base36
ctw8d
md5
18a7f278b877311091f5fe4c4802906a
sha1
786d0ccc2213b2c1542ccd254f9c2030405c51e4
sha256
5c02085ff6311b34c6dbad3450cada56ad1377dd0c7f3f7e7f43c6eb227e7928
sha512
20384db069c6f8c95652c01e659c91f02d356f61a0de34113e32f9c6c0cdfa2533951c695597ecc2d6e2a541e1cfcccdb805c82ce39dfa1be99f3e84a45d9da1
ripemd-160
c2e4330e07e004b86b60a7f50dcf4b2da24b0892
Diameter
43100378
Circumference
135403830.89174
Area
1.4589890735206E+15
Volume
4.1921987044404E+22
Surface area
5.8359562940822E+15
Circumference
135403830.89174
Perimeter
86200756
Area
464410645935721
Diagonal
30476569.555503
Surface area
2786463875614326
Volume
1.0008137193527E+22
Space diagonal
37326022.260712
Perimeter
64650567
Area
2.0109570858414E+14
Altitude
18663011.130356
Surface area
2.0109570858414E+14
Volume
1.1794702794314E+21
Height
10158856.518501