20220987 is an odd 8-digits composite number following 20220986
and preceding 20220988 . In scientific notation, it is written as 2.0220987 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13412520 positive integers (up to 20220987) that are relatively prime to 20220987.
20220987 has 8 divisors, whose sum is 27097600
The reverse of 20220987 is 78902202
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred twenty thousand nine hundred eighty-seven
Scientific notation
2.0220987 × 10^7
Engineering notation
2.0220987 × 10^6
Prime Factorization
3 × 199 × 33871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20220987
Product of the distinct prime numbers
The prime factorization of 20220987 is 3 × 199 × 33871.
Since it has a total of 3 prime factors.
5 , 3 , 69 , 49 , 180 , 660 , 3478 , 7559 , 67572 , 12497 , 776420 , 567616 , 4215776 , 3749873 , 14051688 , 30114500 , 420695411 , 528276518 , 4985133560 , 5576961642
n×2
40441974
n×3
60662961
n×4
80883948
n×5
101104935
n÷2
10110493.5
n÷3
6740329
n÷3
5055246.75
n÷5
4044197.4
n2
408888315254169
n3
8.2681253072065E+21
n4
1.6718965435139E+29
n5
3.380739827174E+36
2 √n
4496.7751778358
3 √n
272.43785357196
4 √n
67.057998611916
5 √n
28.917481738515
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
-20220986
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 20220987 can be divided by 8 positive divisors.
The sum of these divisors (counting 20220987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001000110000111011
3
Ternary
1102001022222110
4
Quaternary
1031020300323
5
Quinary
20134032422
6
Senary
2001223403
8
Octal
115106073
10
Decimal
20220987
12
Duodecimal
6931b63
16
Hexadecimal
1348c3b
20
Vigesimal
667c97
36
Base36
c1em3
md5
01bcd5969348f55d1f33d80f90dc0e7a
sha1
1a2a22747b623ecd690402ee9d01802050cc21b6
sha256
a610f7c7dc3a9af0f69004f2999d13d3c596730d2fb1e920691a2f3e461676f5
sha512
1349207be2b230f71f7ad243eb8d7bad992807e6d4121465aae1611a634a900c28074db4caf4ff4041494eb743ce5b3a1f97cc35cc58bcf32ee4f091049e8a47
ripemd-160
6dbad73a38be326f1bedd9127bdbd1faea7c11e7
Diameter
40441974
Circumference
127052208.41507
Area
1.2845605273412E+15
Volume
3.4633442298773E+22
Surface area
5.1382421093648E+15
Circumference
127052208.41507
Perimeter
80883948
Area
408888315254169
Diagonal
28596794.05997
Surface area
2453329891525014
Volume
8.2681253072065E+21
Space diagonal
35023776.86319
Perimeter
60662961
Area
1.7705383416037E+14
Altitude
17511888.431595
Surface area
1.7705383416037E+14
Volume
9.7440791207096E+20
Height
9532264.6866567