21694865 is an odd 8-digits composite number following 21694864
and preceding 21694866 . In scientific notation, it is written as 2.1694865 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 15725952 positive integers (up to 21694865) that are relatively prime to 21694865.
21694865 has 16 divisors, whose sum is 28598400
The reverse of 21694865 is 56849612
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million six hundred ninety-four thousand eight hundred sixty-five
Scientific notation
2.1694865 × 10^7
Engineering notation
2.1694865 × 10^6
Prime Factorization
5 × 19 × 23 × 9929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21694865
Product of the distinct prime numbers
The prime factorization of 21694865 is 5 × 19 × 23 × 9929.
Since it has a total of 4 prime factors.
4 , 5 , 98 , 97 , 669 , 340 , 1524 , 2160 , 23521 , 33300 , 628624 , 11607 , 2336373 , 5435306 , 98442337 , 74990995 , 866762483 , 411539144 , 8918272341 , 6028797479
n×2
43389730
n×3
65084595
n×4
86779460
n×5
108474325
n÷2
10847432.5
n÷3
7231621.6666667
n÷3
5423716.25
n÷5
4338973
n2
470667167368225
n3
1.0211060655986E+22
n4
2.2152758243843E+29
n5
4.8060109947781E+36
2 √n
4657.7746832581
3 √n
278.90244230666
4 √n
68.247891419868
5 √n
29.327253313209
1 , 5 , 19 , 23 , 95 , 115 , 437 , 2185 , 9929 , 49645 , 188651 , 228367 , 943255 , 1141835 , 4338973 , 21694865
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
-21694864
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 21694865 can be divided by 16 positive divisors.
The sum of these divisors (counting 21694865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000100110010001
3
Ternary
1111211012202112
4
Quaternary
1102300212101
5
Quinary
21023213430
6
Senary
2052555105
8
Octal
122604621
10
Decimal
21694865
12
Duodecimal
7322a95
16
Hexadecimal
14b0991
20
Vigesimal
6fbh35
36
Base36
cwzv5
md5
016a032d76a04db8edec6e5ca4b370c6
sha1
b6a499ea0cd2572a690923b93b012ff572a150b0
sha256
a11945a929413ac8380e18da91f9e1f0a709600d4f5334b94d7b66aeb9f1fe25
sha512
fe8db4afd74c3af8775504b486c1cd07dd5560d829d8fce4662ec03753a11dc2832517182e87e21819429fb5e62d776e1eaa9ceb7d3113eb2de6d40eb8f3e038
ripemd-160
69fc4480dacc68b2fd00f1a0e54146814e4d3153
Diameter
43389730
Circumference
136312857.00924
Area
1.4786445152899E+15
Volume
4.2771990856274E+22
Surface area
5.9145780611597E+15
Circumference
136312857.00924
Perimeter
86779460
Area
470667167368225
Diagonal
30681172.316853
Surface area
2824003004209350
Volume
1.0211060655986E+22
Space diagonal
37576608.443348
Perimeter
65084595
Area
2.0380486183407E+14
Altitude
18788304.221674
Surface area
2.0380486183407E+14
Volume
1.2033850388258E+21
Height
10227057.438951