20407780 is an even 8-digits composite number following 20407779
and preceding 20407781 . In scientific notation, it is written as 2.0407780 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 8163104 positive integers (up to 20407780) that are relatively prime to 20407780.
20407780 has 12 divisors, whose sum is 42856380
The reverse of 20407780 is 08770402
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred seven thousand seven hundred eighty
Scientific notation
2.0407780 × 10^7
Engineering notation
2.0407780 × 10^6
Prime Factorization
2 × 2 × 5 × 1020389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10203890
Product of the distinct prime numbers
The prime factorization of 20407780 is 2 × 2 × 5 × 1020389.
Since it has a total of 4 prime factors.
6 , 9 , 34 , 84 , 956 , 817 , 4570 , 4667 , 65622 , 95554 , 734341 , 612861 , 286732 , 96722 , 46047068 , 22346690 , 226123732 , 994511642 , 4238760106 , 1754154018
n×2
40815560
n×3
61223340
n×4
81631120
n×5
102038900
n÷2
10203890
n÷3
6802593.3333333
n÷3
5101945
n÷5
4081556
n2
416477484528400
n3
8.499380879209E+21
n4
1.734534951191E+29
n5
3.5398007686217E+36
2 √n
4517.4970946311
3 √n
273.27417253546
4 √n
67.212328442266
5 √n
28.970710931093
1 , 2 , 4 , 5 , 10 , 20 , 1020389 , 2040778 , 4081556 , 5101945 , 10203890 , 20407780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20407779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20407780 can be divided by 12 positive divisors.
The sum of these divisors (counting 20407780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110110010111100100
3
Ternary
1102101211012201
4
Quaternary
1031312113210
5
Quinary
20211022110
6
Senary
2005224244
8
Octal
115662744
10
Decimal
20407780
12
Duodecimal
6a02084
16
Hexadecimal
13765e4
20
Vigesimal
67aj90
36
Base36
c5eqs
md5
cd7c2674c4853a771bc16d47a19a2141
sha1
5d7e1a2d4dbfadf03f1bec6aaae8c4f982ad8d31
sha256
74dd7bae995543797f8bda7d4a5e10861d8a20e8d85cba70b28d365542c5944e
sha512
4ca7705f3cb01cbbedb446c6beb0a8e654d43c8afeae8101d2c3cb42de470f2dde7283691b25bd1fb47b2f9c23b1b615ab899b0289c8be286ec2b7fa02546fd7
ripemd-160
5fd1e9ddfbc15eaddad701a6394fc0b47cc836e0
Diameter
40815560
Circumference
128225863.44815
Area
1.30840260578E+15
Volume
3.5602123373579E+22
Surface area
5.2336104231199E+15
Circumference
128225863.44815
Perimeter
81631120
Area
416477484528400
Diagonal
28860959.253926
Surface area
2498864907170400
Volume
8.499380879209E+21
Space diagonal
35347311.829688
Perimeter
61223340
Area
1.8034004085292E+14
Altitude
17673655.914844
Surface area
1.8034004085292E+14
Volume
1.001661642596E+21
Height
9620319.7513088