21686774 is an even 8-digits composite number following 21686773
and preceding 21686775 . In scientific notation, it is written as 2.1686774 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 10757880 positive integers (up to 21686774) that are relatively prime to 21686774.
21686774 has 8 divisors, whose sum is 32786688
The reverse of 21686774 is 47768612
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million six hundred eighty-six thousand seven hundred seventy-four
Scientific notation
2.1686774 × 10^7
Engineering notation
2.1686774 × 10^6
Prime Factorization
2 × 127 × 85381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21686774
Product of the distinct prime numbers
The prime factorization of 21686774 is 2 × 127 × 85381.
Since it has a total of 3 prime factors.
10 , 3 , 40 , 18 , 592 , 924 , 2547 , 6969 , 58107 , 45666 , 626099 , 456101 , 1286762 , 7818857 , 16035088 , 87905790 , 550526129 , 415382782 , 7971284811 , 9753849735
n×2
43373548
n×3
65060322
n×4
86747096
n×5
108433870
n÷2
10843387
n÷3
7228924.6666667
n÷3
5421693.5
n÷5
4337354.8
n2
470316166527076
n3
1.0199640412019E+22
n4
2.2119729649672E+29
n5
4.7970557785355E+36
2 √n
4656.9060544529
3 √n
278.86776620169
4 √n
68.241527345546
5 √n
29.325065493995
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
-21686773
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 21686774 can be divided by 8 positive divisors.
The sum of these divisors (counting 21686774) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110100111110110
3
Ternary
1111210210122212
4
Quaternary
1102232213312
5
Quinary
21022434044
6
Senary
2052453422
8
Octal
122564766
10
Decimal
21686774
12
Duodecimal
731a272
16
Hexadecimal
14ae9f6
20
Vigesimal
6fagie
36
Base36
cwtme
md5
e2ba08930f44a842bfed00ca537f72b6
sha1
791ed3df5b038a47340083a612b2c823083ff6cf
sha256
40378d6ef896d3be9c8a21c771c23ef78c03db65c19bb8bacd70e8f6cac772f1
sha512
29a5af0ca199dee1ba61ee77df5a65a80cc04e74d641749752f0e1e10a0aeaaa60e1a026881f6fa81fa683533a29caae09cceae336da2b46a8702f4aac8d18ba
ripemd-160
5589ebb9ad5b54a22c49619c21af7123f4dc7710
Diameter
43373548
Circumference
136262019.75692
Area
1.477541813626E+15
Volume
4.2724153850209E+22
Surface area
5.9101672545039E+15
Circumference
136262019.75692
Perimeter
86747096
Area
470316166527076
Diagonal
30669729.91492
Surface area
2821896999162456
Volume
1.0199640412019E+22
Space diagonal
37562594.420264
Perimeter
65060322
Area
2.0365287401148E+14
Altitude
18781297.210132
Surface area
2.0365287401148E+14
Volume
1.2020391501672E+21
Height
10223243.304973