21550142 is an even 8-digits composite number following 21550141
and preceding 21550143 . In scientific notation, it is written as 2.1550142 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 10180800 positive integers (up to 21550142) that are relatively prime to 21550142.
21550142 has 16 divisors, whose sum is 34117200
The reverse of 21550142 is 24105512
Previous prime number is 809
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred fifty thousand one hundred forty-two
Scientific notation
2.1550142 × 10^7
Engineering notation
2.1550142 × 10^6
Prime Factorization
2 × 19 × 809 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21550142
Product of the distinct prime numbers
The prime factorization of 21550142 is 2 × 19 × 809 × 701.
Since it has a total of 4 prime factors.
7 , 7 , 96 , 64 , 312 , 638 , 9778 , 2339 , 1444 , 27375 , 489703 , 747465 , 1904696 , 7170093 , 52446252 , 33028663 , 277117911 , 618509929 , 6699656616 , 2054817449
n×2
43100284
n×3
64650426
n×4
86200568
n×5
107750710
n÷2
10775071
n÷3
7183380.6666667
n÷3
5387535.5
n÷5
4310028.4
n2
464408620220164
n3
1.0008071711769E+22
n4
2.156753665348E+29
n5
4.6478347747269E+36
2 √n
4642.2130498287
3 √n
278.2808868476
4 √n
68.133787872308
5 √n
29.288020997921
1 , 2 , 19 , 38 , 701 , 809 , 1402 , 1618 , 13319 , 15371 , 26638 , 30742 , 567109 , 1134218 , 10775071 , 21550142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21550141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21550142 can be divided by 16 positive divisors.
The sum of these divisors (counting 21550142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101010000111110
3
Ternary
1111112212020102
4
Quaternary
1102031100332
5
Quinary
21004101032
6
Senary
2045521102
8
Octal
122152076
10
Decimal
21550142
12
Duodecimal
7273192
16
Hexadecimal
148d43e
20
Vigesimal
6edf72
36
Base36
ctw72
md5
73f9c3721c05db94ebe61afa81dff793
sha1
d95bc8fb5e01fb21d33e36a6ac3d14571206d069
sha256
67087c53ccd1953d286a1192e0b702f3adf1e1e01a65d33735c6138759130e3c
sha512
ded9d0b7f5be31fdc636f02afe9ec5972cd546ea9fedc1e75521ebaaabe48416731545d99be6e1b1871feb1fcd2842281dc328baff73a91fcbbfc71b48fe5ec7
ripemd-160
6c6eab5dea1d81faead747cc1bfbdd27add7b63f
Diameter
43100284
Circumference
135403535.58203
Area
1.4589827095474E+15
Volume
4.1921712755056E+22
Surface area
5.8359308381898E+15
Circumference
135403535.58203
Perimeter
86200568
Area
464408620220164
Diagonal
30476503.087466
Surface area
2786451721320984
Volume
1.0008071711769E+22
Space diagonal
37325940.854324
Perimeter
64650426
Area
2.0109483142357E+14
Altitude
18662970.427162
Surface area
2.0109483142357E+14
Volume
1.1794625623321E+21
Height
10158834.362489