21031966 is an even 8-digits composite number following 21031965
and preceding 21031967 . In scientific notation, it is written as 2.1031966 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10254400 positive integers (up to 21031966) that are relatively prime to 21031966.
21031966 has 8 divisors, whose sum is 31576104
The reverse of 21031966 is 66913012
Previous prime number is 8083
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-one thousand nine hundred sixty-six
Scientific notation
2.1031966 × 10^7
Engineering notation
2.1031966 × 10^6
Prime Factorization
2 × 8083 × 1301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031966
Product of the distinct prime numbers
The prime factorization of 21031966 is 2 × 8083 × 1301.
Since it has a total of 3 prime factors.
4 , 2 , 16 , 20 , 623 , 957 , 7740 , 9188 , 18302 , 11966 , 34289 , 141138 , 5355863 , 1271969 , 61381402 , 15279883 , 140274074 , 404512030 , 3793440522 , 4266875214
n×2
42063932
n×3
63095898
n×4
84127864
n×5
105159830
n÷2
10515983
n÷3
7010655.3333333
n÷3
5257991.5
n÷5
4206393.2
n2
442343593825156
n3
9.3033554256485E+21
n4
1.9566785499815E+29
n5
4.1152796736141E+36
2 √n
4586.0621452396
3 √n
276.03233360605
4 √n
67.720470651345
5 √n
29.145799582585
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
-21031965
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 21031966 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110110000011110
3
Ternary
1110120112102201
4
Quaternary
1100032300132
5
Quinary
20341010331
6
Senary
2030442114
8
Octal
120166036
10
Decimal
21031966
12
Duodecimal
706333a
16
Hexadecimal
140ec1e
20
Vigesimal
6b8ji6
36
Base36
cisda
md5
f01187532effafe01e147484365aabf8
sha1
1a1d54271dbbb597cdfc42db0258d82920ab61ca
sha256
cd77374eba631304ebd56588b4858b030f47c1b5ba6caf9461859f9c9f044363
sha512
333b823e46faf9440814903d51019e6204e9f3685c671c69689043bd8d6b5045b4e76362ba0e6abbb49d6cd28a66574517eb7479aaf9100fc55839591bbcd23a
ripemd-160
02d93d8600d7e736c3db3dbd6bd98c33fb1dfb86
Diameter
42063932
Circumference
132147739.7523
Area
1.3896633847236E+15
Volume
3.8969804078603E+22
Surface area
5.5586535388945E+15
Circumference
132147739.7523
Perimeter
84127864
Area
442343593825156
Diagonal
29743691.56057
Surface area
2654061562950936
Volume
9.3033554256485E+21
Space diagonal
36428433.695061
Perimeter
63095898
Area
1.9154039472695E+14
Altitude
18214216.847531
Surface area
1.9154039472695E+14
Volume
1.0964109515441E+21
Height
9914563.8535233