21793988 is an even 8-digits composite number following 21793987
and preceding 21793989 . In scientific notation, it is written as 2.1793988 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 10323432 positive integers (up to 21793988) that are relatively prime to 21793988.
21793988 has 12 divisors, whose sum is 40146960
The reverse of 21793988 is 88939712
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million seven hundred ninety-three thousand nine hundred eighty-eight
Scientific notation
2.1793988 × 10^7
Engineering notation
2.1793988 × 10^6
Prime Factorization
2 × 2 × 19 × 286763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10896994
Product of the distinct prime numbers
The prime factorization of 21793988 is 2 × 2 × 19 × 286763.
Since it has a total of 4 prime factors.
3 , 7 , 48 , 88 , 667 , 450 , 6183 , 6467 , 77657 , 56101 , 952919 , 744176 , 4574584 , 2133641 , 72587001 , 39798616 , 519292988 , 463158696 , 4961517571 , 4478307458
n×2
43587976
n×3
65381964
n×4
87175952
n×5
108969940
n÷2
10896994
n÷3
7264662.6666667
n÷3
5448497
n÷5
4358797.6
n2
474977912944144
n3
1.035166293497E+22
n4
2.2560401778477E+29
n5
4.9168112563532E+36
2 √n
4668.4031531135
3 √n
279.32656186019
4 √n
68.325713703653
5 √n
29.354003487041
1 , 2 , 4 , 19 , 38 , 76 , 286763 , 573526 , 1147052 , 5448497 , 10896994 , 21793988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21793987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21793988 can be divided by 12 positive divisors.
The sum of these divisors (counting 21793988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011001000110011000100
3
Ternary
1112000020201202
4
Quaternary
1103020303010
5
Quinary
21034401423
6
Senary
2055042032
8
Octal
123106304
10
Decimal
21793988
12
Duodecimal
7370318
16
Hexadecimal
14c8cc4
20
Vigesimal
6g44j8
36
Base36
cz4ck
md5
d469b3fef78d0edb208eee9e91798f65
sha1
b5d8c3c394d9e48fa40178b8345a727ea7e20994
sha256
721ccff778931348ed705d0f32aa877e1a58997d9549d297ccfe83962ba31148
sha512
fec2b4e26fac00aa810c1f1b46f9aa0ab02aa954b5c463c670691f2b3144e132b430fd40547f3335eba5b2552a04f9e821ce413b40b5be73c26d5c4f40716881
ripemd-160
1ba184b01ce7916561da1aa967a29866bddc4df5
Diameter
43587976
Circumference
136935665.18645
Area
1.4921871219227E+15
Volume
4.3360944305251E+22
Surface area
5.9687484876909E+15
Circumference
136935665.18645
Perimeter
87175952
Area
474977912944144
Diagonal
30821353.407796
Surface area
2849867477664864
Volume
1.035166293497E+22
Space diagonal
37748294.515546
Perimeter
65381964
Area
2.0567146942307E+14
Altitude
18874147.257773
Surface area
2.0567146942307E+14
Volume
1.2199551763124E+21
Height
10273784.469265