20220981 is an odd 8-digits composite number following 20220980
and preceding 20220982 . In scientific notation, it is written as 2.0220981 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11923200 positive integers (up to 20220981) that are relatively prime to 20220981.
20220981 has 8 divisors, whose sum is 27029184
The reverse of 20220981 is 18902202
Previous prime number is 407
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million two hundred twenty thousand nine hundred eighty-one
Scientific notation
2.0220981 × 10^7
Engineering notation
2.0220981 × 10^6
Prime Factorization
3 × 407 × 16561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20220981
Product of the distinct prime numbers
The prime factorization of 20220981 is 3 × 407 × 16561.
Since it has a total of 3 prime factors.
4 , 9 , 79 , 32 , 362 , 621 , 5372 , 1681 , 19229 , 66060 , 516648 , 824994 , 5069494 , 8464883 , 92978866 , 56071668 , 620701048 , 389634738 , 767396908 , 1160133415
n×2
40441962
n×3
60662943
n×4
80883924
n×5
101104905
n÷2
10110490.5
n÷3
6740327
n÷3
5055245.25
n÷5
4044196.2
n2
408888072602361
n3
8.268117947219E+21
n4
1.6718945591647E+29
n5
3.3807348114874E+36
2 √n
4496.774510691
3 √n
272.43782662591
4 √n
67.05799363753
5 √n
28.917480022428
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
-20220980
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 20220981 can be divided by 8 positive divisors.
The sum of these divisors (counting 20220981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110000110101
3
Ternary
1102001022222020
4
Quaternary
1031020300311
5
Quinary
20134032411
6
Senary
2001223353
8
Octal
115106065
10
Decimal
20220981
12
Duodecimal
6931b59
16
Hexadecimal
1348c35
20
Vigesimal
667c91
36
Base36
c1elx
md5
6d93d3337546e9deed47b128a4451154
sha1
585a2d8763e578ec4825a61ada3a0bf443b41c63
sha256
61f8d77273bbada20f74e252185ec92c3684d6940e0c20ff025b4c107df62efb
sha512
336a5ae239fe3db689b88f6eacd005b2e78ac9a1653ab687b923d54231f289f906ebe1040d95c0eb1891080d9bb8ef23c6ab2d7649963f8267a9ced98687cc23
ripemd-160
15f4a6030d8319d18dee2ab3865a87b1c8ad1c08
Diameter
40441962
Circumference
127052170.71596
Area
1.2845597650281E+15
Volume
3.4633411469329E+22
Surface area
5.1382390601123E+15
Circumference
127052170.71596
Perimeter
80883924
Area
408888072602361
Diagonal
28596785.574689
Surface area
2453328435614166
Volume
8.268117947219E+21
Space diagonal
35023766.470885
Perimeter
60662943
Area
1.7705372908905E+14
Altitude
17511883.235442
Surface area
1.7705372908905E+14
Volume
9.7440704468812E+20
Height
9532261.8582296