20220991 is an odd 8-digits composite number following 20220990
and preceding 20220992 . In scientific notation, it is written as 2.0220991 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 17300088 positive integers (up to 20220991) that are relatively prime to 20220991.
20220991 has 8 divisors, whose sum is 23152640
The reverse of 20220991 is 19902202
Previous prime number is 4759
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million two hundred twenty thousand nine hundred ninety-one
Scientific notation
2.0220991 × 10^7
Engineering notation
2.0220991 × 10^6
Prime Factorization
7 × 4759 × 607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20220991
Product of the distinct prime numbers
The prime factorization of 20220991 is 7 × 4759 × 607.
Since it has a total of 3 prime factors.
2 , 8 , 62 , 1 , 100 , 725 , 6462 , 3467 , 21343 , 65233 , 353644 , 239914 , 1125149 , 9665440 , 7288982 , 50477805 , 356252875 , 141417351 , 6927727417 , 9538970774
n×2
40441982
n×3
60662973
n×4
80883964
n×5
101104955
n÷2
10110495.5
n÷3
6740330.3333333
n÷3
5055247.75
n÷5
4044198.2
n2
408888477022081
n3
8.2681302138672E+21
n4
1.6718978664144E+29
n5
3.3807431709684E+36
2 √n
4496.7756225989
3 √n
272.43787153599
4 √n
67.058001928174
5 √n
28.917482882573
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
-20220990
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 20220991 can be divided by 8 positive divisors.
The sum of these divisors (counting 20220991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110000111111
3
Ternary
1102001022222121
4
Quaternary
1031020300333
5
Quinary
20134032431
6
Senary
2001223411
8
Octal
115106077
10
Decimal
20220991
12
Duodecimal
6931b67
16
Hexadecimal
1348c3f
20
Vigesimal
667c9b
36
Base36
c1em7
md5
40ab3bba1d9fa600abbdc300afe2ca5a
sha1
e40a2e4088f4b65de341989fa85076cbf956e351
sha256
0a4f9e4c1d41a47f5046a75574a22be0fc87299f8d50765a608006eef2b780c0
sha512
29c86cbb00fec751b0cb8d9830da0ce297954267086520c371c49fa42b5fb84cd1f0907c92f61998b47cfcd63e7ba62741ab4ea93e4f4089f6963661ec3401c0
ripemd-160
a44398c46604f3c69575f63a46e00e5a79d8acf7
Diameter
40441982
Circumference
127052233.54781
Area
1.2845610355501E+15
Volume
3.4633462851745E+22
Surface area
5.1382441422004E+15
Circumference
127052233.54781
Perimeter
80883964
Area
408888477022081
Diagonal
28596799.716824
Surface area
2453330862132486
Volume
8.2681302138672E+21
Space diagonal
35023783.791393
Perimeter
60662973
Area
1.7705390420793E+14
Altitude
17511891.895696
Surface area
1.7705390420793E+14
Volume
9.7440849032648E+20
Height
9532266.5722748