21695838 is an even 8-digits composite number following 21695837
and preceding 21695839 . In scientific notation, it is written as 2.1695838 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7036416 positive integers (up to 21695838) that are relatively prime to 21695838.
21695838 has 16 divisors, whose sum is 44564880
The reverse of 21695838 is 83859612
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million six hundred ninety-five thousand eight hundred thirty-eight
Scientific notation
2.1695838 × 10^7
Engineering notation
2.1695838 × 10^6
Prime Factorization
2 × 3 × 37 × 97729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21695838
Product of the distinct prime numbers
The prime factorization of 21695838 is 2 × 3 × 37 × 97729.
Since it has a total of 4 prime factors.
3 , 9 , 56 , 61 , 922 , 824 , 5207 , 7882 , 14394 , 14664 , 805718 , 943709 , 4478010 , 3067220 , 35692470 , 94255318 , 20852312 , 900452707 , 3244854926 , 7569531296
n×2
43391676
n×3
65087514
n×4
86783352
n×5
108479190
n÷2
10847919
n÷3
7231946
n÷3
5423959.5
n÷5
4339167.6
n2
470709386522244
n3
1.0212434595066E+22
n4
2.2156732656015E+29
n5
4.8070888231421E+36
2 √n
4657.8791311068
3 √n
278.90661177287
4 √n
68.248656624924
5 √n
29.327516369979
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 97729 , 195458 , 293187 , 586374 , 3615973 , 7231946 , 10847919 , 21695838
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
-21695837
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 21695838 can be divided by 16 positive divisors.
The sum of these divisors (counting 21695838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000110101011110
3
Ternary
1111211021002120
4
Quaternary
1102300311132
5
Quinary
21023231323
6
Senary
2053003410
8
Octal
122606536
10
Decimal
21695838
12
Duodecimal
7323566
16
Hexadecimal
14b0d5e
20
Vigesimal
6fbjbi
36
Base36
cx0m6
md5
cda8200b7c66093a22847dcaf52ef509
sha1
f0b38514d5df1e684a5a1d3784d5f1894ae22cd7
sha256
34f27d484d2d557996929dd388441154482e9d601b61c77bc6b66fda8cc43e3a
sha512
2eae17424ea6b903ec71a3d891d9ac4df42dc7f14e4ec878bacc32a3d5f5c56457a144046bcc48816acc3075e17cec0b5da7953165e2e594e70ff0c71108cbbc
ripemd-160
18f267950b914799f24184a5fd9a5c082ee2f283
Diameter
43391676
Circumference
136318970.54855
Area
1.478777150674E+15
Volume
4.2777745998834E+22
Surface area
5.9151086026962E+15
Circumference
136318970.54855
Perimeter
86783352
Area
470709386522244
Diagonal
30682548.34665
Surface area
2824256319133464
Volume
1.0212434595066E+22
Space diagonal
37578293.728784
Perimeter
65087514
Area
2.0382314326403E+14
Altitude
18789146.864392
Surface area
2.0382314326403E+14
Volume
1.2035469590992E+21
Height
10227516.11555