20295987 is an odd 8-digits composite number following 20295986
and preceding 20295988 . In scientific notation, it is written as 2.0295987 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 13530656 positive integers (up to 20295987) that are relatively prime to 20295987.
20295987 has 4 divisors, whose sum is 27061320
The reverse of 20295987 is 78959202
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million two hundred ninety-five thousand nine hundred eighty-seven
Scientific notation
2.0295987 × 10^7
Engineering notation
2.0295987 × 10^6
Prime Factorization
3 × 6765329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20295987
Product of the distinct prime numbers
The prime factorization of 20295987 is 3 × 6765329.
Since it has a total of 2 prime factors.
7 , 7 , 35 , 56 , 856 , 708 , 5552 , 202 , 8632 , 68948 , 248249 , 618694 , 1395493 , 1436298 , 65111616 , 7243597 , 369327729 , 846474190 , 9911351925 , 7897694103
n×2
40591974
n×3
60887961
n×4
81183948
n×5
101479935
n÷2
10147993.5
n÷3
6765329
n÷3
5073996.75
n÷5
4059197.4
n2
411927088304169
n3
8.3604668291693E+21
n4
1.6968392607875E+29
n5
3.4439027578033E+36
2 √n
4505.1067689901
3 √n
272.77426361008
4 √n
67.120092140804
5 √n
28.93890107486
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
-20295986
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 20295987 can be divided by 4 positive divisors.
The sum of these divisors (counting 20295987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011011000100110011
3
Ternary
1102012010212020
4
Quaternary
1031123010303
5
Quinary
20143432422
6
Senary
2003002523
8
Octal
115330463
10
Decimal
20295987
12
Duodecimal
6969443
16
Hexadecimal
135b133
20
Vigesimal
66gjj7
36
Base36
c30hf
md5
725f71ae9678a3afcc4cd930ff02b833
sha1
f2b9d7edfc612d54be6aca70f1209590274e7f49
sha256
6dd7ca0cb1f50bee9baffc4ca58818a59d44e2cd71a50042d2758ff666ecee73
sha512
29b48366a41f8a0083e70daa7c104bf6d5e5f826c6e07530b58bfc77777df5fef4ddd8cbaac6f400ccdbaff5f907d907340efcf252cdb8b1ee167ea7e186229d
ripemd-160
63b747c825c2550fef46c2dd7b0e5874679aedfe
Diameter
40591974
Circumference
127523447.31311
Area
1.294107114431E+15
Volume
3.5020241561466E+22
Surface area
5.176428457724E+15
Circumference
127523447.31311
Perimeter
81183948
Area
411927088304169
Diagonal
28702860.077148
Surface area
2471562529825014
Volume
8.3604668291693E+21
Space diagonal
35153680.673757
Perimeter
60887961
Area
1.7836966148918E+14
Altitude
17576840.336879
Surface area
1.7836966148918E+14
Volume
9.8529046479846E+20
Height
9567620.025716