21131646 is an even 8-digits composite number following 21131645
and preceding 21131647 . In scientific notation, it is written as 2.1131646 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6220800 positive integers (up to 21131646) that are relatively prime to 21131646.
21131646 has 32 divisors, whose sum is 35140608
The reverse of 21131646 is 64613112
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand six hundred forty-six
Scientific notation
2.1131646 × 10^7
Engineering notation
2.1131646 × 10^6
Prime Factorization
2 × 123 × 17 × 31 × 163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21131646
Product of the distinct prime numbers
The prime factorization of 21131646 is 2 × 123 × 17 × 31 × 163.
Since it has a total of 5 prime factors.
10 , 7 , 22 , 26 , 495 , 753 , 61 , 8667 , 43653 , 36672 , 845396 , 898265 , 9786061 , 4241025 , 32201641 , 79638994 , 688440231 , 855773292 , 4865975485 , 4918027505
n×2
42263292
n×3
63394938
n×4
84526584
n×5
105658230
n÷2
10565823
n÷3
7043882
n÷3
5282911.5
n÷5
4226329.2
n2
446546462669316
n3
9.4362617716802E+21
n4
1.9940374332248E+29
n5
4.2137293149655E+36
2 √n
4596.9170103451
3 √n
276.46772718082
4 √n
67.80056792052
5 √n
29.173374381717
1 , 2 , 17 , 31 , 34 , 62 , 123 , 163 , 246 , 326 , 527 , 1054 , 2091 , 2771 , 3813 , 4182 , 5053 , 5542 , 7626 , 10106 , 20049 , 40098 , 64821 , 85901 , 129642 , 171802 , 340833 , 621519 , 681666 , 1243038 , 10565823 , 21131646
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131646 can be divided by 32 positive divisors.
The sum of these divisors (counting 21131646) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100111000101111110
3
Ternary
1110202121011120
4
Quaternary
1100213011332
5
Quinary
20402203041
6
Senary
2032531410
8
Octal
120470576
10
Decimal
21131646
12
Duodecimal
70b0b66
16
Hexadecimal
142717e
20
Vigesimal
6c1926
36
Base36
ckxa6
md5
bcc3a7a848602c8b8e3720dfb2d14f49
sha1
3e86ae16a34c3dcb567b313896dfd274bc9d64af
sha256
2c306464550cfc27b16f978497678c3398f99f340c1ced1422bf7c79b81aa5a6
sha512
325b0b01bb596767c886950194472a1e5c19461d21039a14917129960621ad6831a161258b270c5e0069c20c9232b1aedeeba52474e707cf4c1b83c2005da63b
ripemd-160
4e73cb97fcc27f77e05de2c624d2c2c809197427
Diameter
42263292
Circumference
132774047.66372
Area
1.4028670866084E+15
Volume
3.9526520879014E+22
Surface area
5.6114683464337E+15
Circumference
132774047.66372
Perimeter
84526584
Area
446546462669316
Diagonal
29884660.368467
Surface area
2679278776015896
Volume
9.4362617716802E+21
Space diagonal
36601084.51956
Perimeter
63394938
Area
1.9336029032085E+14
Altitude
18300542.25978
Surface area
1.9336029032085E+14
Volume
1.1120741146344E+21
Height
9961553.4561557