21131966 is an even 8-digits composite number following 21131965
and preceding 21131967 . In scientific notation, it is written as 2.1131966 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10438600 positive integers (up to 21131966) that are relatively prime to 21131966.
21131966 has 8 divisors, whose sum is 32080104
The reverse of 21131966 is 66913112
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand nine hundred sixty-six
Scientific notation
2.1131966 × 10^7
Engineering notation
2.1131966 × 10^6
Prime Factorization
2 × 83 × 127301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21131966
Product of the distinct prime numbers
The prime factorization of 21131966 is 2 × 83 × 127301.
Since it has a total of 3 prime factors.
5 , 10 , 82 , 7 , 102 , 288 , 2312 , 863 , 5780 , 92009 , 631248 , 424299 , 9912192 , 945654 , 21942214 , 9523377 , 897485965 , 718424677 , 5336186584 , 8237797273
n×2
42263932
n×3
63395898
n×4
84527864
n×5
105659830
n÷2
10565983
n÷3
7043988.6666667
n÷3
5282991.5
n÷5
4226393.2
n2
446559987025156
n3
9.436690462776E+21
n4
1.9941582201191E+29
n5
4.2140483706177E+36
2 √n
4596.9518161495
3 √n
276.46912270591
4 √n
67.800824597858
5 √n
29.173462736625
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
-21131965
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 21131966 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001010111110
3
Ternary
1110202121121102
4
Quaternary
1100213022332
5
Quinary
20402210331
6
Senary
2032533102
8
Octal
120471276
10
Decimal
21131966
12
Duodecimal
70b1192
16
Hexadecimal
14272be
20
Vigesimal
6c19i6
36
Base36
ckxj2
md5
a6e0488b9ee02a4cc26cc04cb5b8906d
sha1
717743318a3fba507861c019fbf0ea284f6b68a0
sha256
deef36f03a1b1b0fbd31f23549456ca4e14483fcd1f7406c15eaca82cbaedd22
sha512
9c6a2b288016e042dedb0e134bbc3ec1bc920c746a2c3ccfa792ecf9aa20c983374664db1db9a2b7c4592b0ce0b78d8b1c2ef6359c61d14aded0986f07095eb5
ripemd-160
720c6d8a01aa744fa835d0355e72fdf79841e5f2
Diameter
42263932
Circumference
132776058.28302
Area
1.4029095746254E+15
Volume
3.9528316576077E+22
Surface area
5.6116382985015E+15
Circumference
132776058.28302
Perimeter
84527864
Area
446559987025156
Diagonal
29885112.916807
Surface area
2679359922150936
Volume
9.436690462776E+21
Space diagonal
36601638.775818
Perimeter
63395898
Area
1.9336614653872E+14
Altitude
18300819.387909
Surface area
1.9336614653872E+14
Volume
1.1121246363646E+21
Height
9961704.3056024