21693893 is an odd 8-digits composite number following 21693892
and preceding 21693894 . In scientific notation, it is written as 2.1693893 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 19378800 positive integers (up to 21693893) that are relatively prime to 21693893.
21693893 has 8 divisors, whose sum is 24116736
The reverse of 21693893 is 39839612
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million six hundred ninety-three thousand eight hundred ninety-three
Scientific notation
2.1693893 × 10^7
Engineering notation
2.1693893 × 10^6
Prime Factorization
13 × 31 × 53831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21693893
Product of the distinct prime numbers
The prime factorization of 21693893 is 13 × 31 × 53831.
Since it has a total of 3 prime factors.
4 , 1 , 19 , 57 , 204 , 958 , 5615 , 7998 , 70446 , 85151 , 988058 , 684688 , 6677470 , 2484142 , 67244704 , 82003283 , 263482977 , 355391211 , 9307362670 , 147282148
n×2
43387786
n×3
65081679
n×4
86775572
n×5
108469465
n÷2
10846946.5
n÷3
7231297.6666667
n÷3
5423473.25
n÷5
4338778.6
n2
470624993495449
n3
1.0209688252016E+22
n4
2.2148788450259E+29
n5
4.8049344671956E+36
2 √n
4657.670340417
3 √n
278.89827700114
4 √n
68.247126975551
5 √n
29.326990517371
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
-21693892
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 21693893 can be divided by 8 positive divisors.
The sum of these divisors (counting 21693893) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010111000101
3
Ternary
1111211011102112
4
Quaternary
1102300113011
5
Quinary
21023201033
6
Senary
2052550405
8
Octal
122602705
10
Decimal
21693893
12
Duodecimal
7322405
16
Hexadecimal
14b05c5
20
Vigesimal
6fbeed
36
Base36
cwz45
md5
afe115a04e9c19d9d88ff3aae0d94049
sha1
1a1d60e8d9e2800074c9d27a57f42acccf9f8324
sha256
71af6d0fc4097d116a5c5e39968a683d73c21374df4b0d8c69733de99d0029f6
sha512
57ec91027c11c6691deb02ade08cfb4b7f54d09e04f7a9ba8a074f2cfe6ecd8a9511123e4908907498f27c4204afc12168a7d58d1f4820ceb3db8810752b63aa
ripemd-160
fada8bc01d4a3d5bdd51fcfa6b5c0bb669352d9b
Diameter
43387786
Circumference
136306749.75313
Area
1.478512022161E+15
Volume
4.2766242143967E+22
Surface area
5.9140480886442E+15
Circumference
136306749.75313
Perimeter
86775572
Area
470624993495449
Diagonal
30679797.701271
Surface area
2823749960972694
Volume
1.0209688252016E+22
Space diagonal
37574924.889963
Perimeter
65081679
Area
2.0378660001147E+14
Altitude
18787462.444981
Surface area
2.0378660001147E+14
Volume
1.2032232994669E+21
Height
10226599.233757