20372987 is an odd 8-digits composite number following 20372986
and preceding 20372988 . In scientific notation, it is written as 2.0372987 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 19174560 positive integers (up to 20372987) that are relatively prime to 20372987.
20372987 has 4 divisors, whose sum is 21571416
The reverse of 20372987 is 78927302
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred seventy-two thousand nine hundred eighty-seven
Scientific notation
2.0372987 × 10^7
Engineering notation
2.0372987 × 10^6
Prime Factorization
17 × 1198411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20372987
Product of the distinct prime numbers
The prime factorization of 20372987 is 17 × 1198411.
Since it has a total of 2 prime factors.
1 , 5 , 64 , 70 , 935 , 841 , 5607 , 9828 , 13876 , 28302 , 264844 , 671094 , 7048156 , 3150881 , 44308029 , 86062530 , 715913500 , 373993275 , 2002214825 , 622484091
n×2
40745974
n×3
61118961
n×4
81491948
n×5
101864935
n÷2
10186493.5
n÷3
6790995.6666667
n÷3
5093246.75
n÷5
4074597.4
n2
415058599302169
n3
8.4559834478213E+21
n4
1.7227364085468E+29
n5
3.509728645575E+36
2 √n
4513.6445362922
3 √n
273.11878348308
4 √n
67.183662718641
5 √n
28.960825818203
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20372986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20372987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20372987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101101101110111111011
3
Ternary
1102100001111002
4
Quaternary
1031231313323
5
Quinary
20203413422
6
Senary
2004355215
8
Octal
115556773
10
Decimal
20372987
12
Duodecimal
69a5b0b
16
Hexadecimal
136ddfb
20
Vigesimal
676c97
36
Base36
c4nwb
md5
a3fc1b44cfb9acb8bda7e0550f1299f3
sha1
d6e80808b195b1e57524af9706ccf72c4c071920
sha256
6fe2031637576c633e716fccb6d86a1e0bda38fe27ef0f0a5ff402540e6008d0
sha512
7f213895b6f529c03c2fafa4ba490b7763a7e102e2269533c5a5da179b4b60061bec6e9987ce93af14f7bbb430e0e1851c323691bffe46989ec4ffa6b0cd886c
ripemd-160
8028aa20922faeae75400171c1049304d91de0c4
Diameter
40745974
Circumference
128007252.58176
Area
1.303945046377E+15
Volume
3.542034063807E+22
Surface area
5.2157801855079E+15
Circumference
128007252.58176
Perimeter
81491948
Area
415058599302169
Diagonal
28811754.521451
Surface area
2490351595813014
Volume
8.4559834478213E+21
Space diagonal
35287048.58594
Perimeter
61118961
Area
1.7972564552743E+14
Altitude
17643524.29297
Surface area
1.7972564552743E+14
Volume
9.9654720625927E+20
Height
9603918.1738169