20351387 is an odd 8-digits composite number following 20351386
and preceding 20351388 . In scientific notation, it is written as 2.0351387 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17422272 positive integers (up to 20351387) that are relatively prime to 20351387.
20351387 has 8 divisors, whose sum is 23287776
The reverse of 20351387 is 78315302
Previous prime number is 2437
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million three hundred fifty-one thousand three hundred eighty-seven
Scientific notation
2.0351387 × 10^7
Engineering notation
2.0351387 × 10^6
Prime Factorization
7 × 2437 × 1193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20351387
Product of the distinct prime numbers
The prime factorization of 20351387 is 7 × 2437 × 1193.
Since it has a total of 3 prime factors.
3 , 6 , 30 , 55 , 697 , 366 , 6392 , 869 , 37940 , 44554 , 582316 , 791356 , 9043131 , 2173413 , 64932412 , 89180653 , 825916911 , 432902225 , 521936376 , 7255817966
n×2
40702774
n×3
61054161
n×4
81405548
n×5
101756935
n÷2
10175693.5
n÷3
6783795.6666667
n÷3
5087846.75
n÷5
4070277.4
n2
414178952823769
n3
8.4291161561713E+21
n4
1.7154420496219E+29
n5
3.4911625027929E+36
2 √n
4511.25115683
3 √n
273.0222266741
4 √n
67.165848143458
5 √n
28.954682199712
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
-20351386
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 20351387 can be divided by 8 positive divisors.
The sum of these divisors (counting 20351387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101000100110011011
3
Ternary
1102021221212002
4
Quaternary
1031220212123
5
Quinary
20202221022
6
Senary
2004111215
8
Octal
115504633
10
Decimal
20351387
12
Duodecimal
699550b
16
Hexadecimal
136899b
20
Vigesimal
673i97
36
Base36
c478b
md5
f2f304de8b25ed6506f7d95f2d7f77e4
sha1
d7314f1faf27931600bbe6e8772785e4905efce1
sha256
30c33166f6d3e53bade145f670796f410d69f2c468ca1fcf1bd65f33fb8f2dd7
sha512
635d3f45f7a978936a820a16c1fcea25d86ba2feae78df67355902e8d308609417055dffda8be7f539e50c85140bf4fdaeaf5ebe49160fecadfd45f9b630aa3d
ripemd-160
d3ecf3a69b225e3764dacf2101c92bba65557914
Diameter
40702774
Circumference
127871535.77913
Area
1.3011815554627E+15
Volume
3.5307799189977E+22
Surface area
5.2047262218507E+15
Circumference
127871535.77913
Perimeter
81405548
Area
414178952823769
Diagonal
28781207.508503
Surface area
2485073716942614
Volume
8.4291161561713E+21
Space diagonal
35249636.288497
Perimeter
61054161
Area
1.7934474742911E+14
Altitude
17624818.144248
Surface area
1.7934474742911E+14
Volume
9.9338086557296E+20
Height
9593735.8361678