20280855 is an odd 8-digits composite number following 20280854
and preceding 20280856 . In scientific notation, it is written as 2.0280855 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9031680 positive integers (up to 20280855) that are relatively prime to 20280855.
20280855 has 16 divisors, whose sum is 22646400
The reverse of 20280855 is 55808202
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred eighty thousand eight hundred fifty-five
Scientific notation
2.0280855 × 10^7
Engineering notation
2.0280855 × 10^6
Prime Factorization
15 × 41 × 49 × 673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20280855
Product of the distinct prime numbers
The prime factorization of 20280855 is 15 × 41 × 49 × 673.
Since it has a total of 4 prime factors.
9 , 7 , 16 , 20 , 567 , 307 , 6773 , 5017 , 41940 , 75306 , 759824 , 14664 , 5588230 , 7871242 , 77021661 , 33819415 , 257257595 , 817505805 , 1134437345 , 3031259472
n×2
40561710
n×3
60842565
n×4
81123420
n×5
101404275
n÷2
10140427.5
n÷3
6760285
n÷3
5070213.75
n÷5
4056171
n2
411313079531025
n3
8.3417809255722E+21
n4
1.691784493933E+29
n5
3.4310836012703E+36
2 √n
4503.4270283863
3 √n
272.70645634049
4 √n
67.107578025036
5 √n
28.934584614627
1 , 15 , 41 , 49 , 615 , 673 , 735 , 2009 , 10095 , 27593 , 30135 , 32977 , 413895 , 494655 , 1352057 , 20280855
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20280854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20280855 can be divided by 16 positive divisors.
The sum of these divisors (counting 20280855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101010111011000010111
3
Ternary
1102011101002210
4
Quaternary
1031113120113
5
Quinary
20142441410
6
Senary
2002404503
8
Octal
115273027
10
Decimal
20280855
12
Duodecimal
6960733
16
Hexadecimal
1357617
20
Vigesimal
66f22f
36
Base36
c2ot3
md5
7ec65016495f47cfdb919098e282bc51
sha1
00c4269cdea23b6244899feb20c04b4d9e9a61f5
sha256
07794178ef657e144c1c0854e2a6de4bfa30c938a56f820a5cc6da6624beff8d
sha512
036e6c7a3254ef560f40cb456bca8dcb9441d5891759f39ef9c3d26798887d59c09c15174e0527a74440969329985c3c5619b218cc32c3932047b4903aba414b
ripemd-160
1cc734c68831929fefcbc20f1a73a1c2076dbb29
Diameter
40561710
Circumference
127428370.15304
Area
1.2921781489801E+15
Volume
3.4941970231511E+22
Surface area
5.1687125959202E+15
Circumference
127428370.15304
Perimeter
81123420
Area
411313079531025
Diagonal
28681460.197522
Surface area
2467878477186150
Volume
8.3417809255722E+21
Space diagonal
35127471.280937
Perimeter
60842565
Area
1.7810378789134E+14
Altitude
17563735.640469
Surface area
1.7810378789134E+14
Volume
9.8308830994078E+20
Height
9560486.7325074