20406787 is an odd 8-digits composite number following 20406786
and preceding 20406788 . In scientific notation, it is written as 2.0406787 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20250880 positive integers (up to 20406787) that are relatively prime to 20406787.
20406787 has 4 divisors, whose sum is 20562696
The reverse of 20406787 is 78760402
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million four hundred six thousand seven hundred eighty-seven
Scientific notation
2.0406787 × 10^7
Engineering notation
2.0406787 × 10^6
Prime Factorization
131 × 155777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20406787
Product of the distinct prime numbers
The prime factorization of 20406787 is 131 × 155777.
Since it has a total of 2 prime factors.
4 , 2 , 62 , 47 , 644 , 567 , 613 , 9126 , 91517 , 62885 , 311245 , 220370 , 6144056 , 1850262 , 8082657 , 85273504 , 321143432 , 696547949 , 1195199374 , 7747416766
n×2
40813574
n×3
61220361
n×4
81627148
n×5
102033935
n÷2
10203393.5
n÷3
6802262.3333333
n÷3
5101696.75
n÷5
4081357.4
n2
416436955663369
n3
8.4981402531508E+21
n4
1.7341973804217E+29
n5
3.5389396558225E+36
2 √n
4517.387187302
3 √n
273.26974014653
4 √n
67.211510824426
5 √n
28.970428994734
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
-20406786
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 20406787 can be divided by 4 positive divisors.
The sum of these divisors (counting 20406787) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110110001000000011
3
Ternary
1102101202211221
4
Quaternary
1031312020003
5
Quinary
20211004122
6
Senary
2005215511
8
Octal
115661003
10
Decimal
20406787
12
Duodecimal
6a01597
16
Hexadecimal
1376203
20
Vigesimal
67agj7
36
Base36
c5dz7
md5
37daded94a6b7fe9835af0b561344cb5
sha1
3a8e70033dbd4510d1b3c8f056faf9b82a2fb54f
sha256
4c1fbe2270b99438aba94b5301f81d300a1c1a4a8a97ded327cbf28777af1331
sha512
14136f33cbf3becedf46a590f88cfd380ead8ca1fbe0532166daae78a830e8c3e79fe41d9bb85af0e934f6c06e0bf2eef59cefe39f987aec3737a0b5a4a75fba
ripemd-160
082cc121f5a180c4641842d726c51337363d2b8d
Diameter
40813574
Circumference
128219624.24514
Area
1.3082752805953E+15
Volume
3.5596926651299E+22
Surface area
5.2331011223814E+15
Circumference
128219624.24514
Perimeter
81627148
Area
416436955663369
Diagonal
28859554.939859
Surface area
2498621733980214
Volume
8.4981402531508E+21
Space diagonal
35345591.903236
Perimeter
61220361
Area
1.8032249133957E+14
Altitude
17672795.951618
Surface area
1.8032249133957E+14
Volume
1.0015154334129E+21
Height
9619851.6466197