20280689 is an odd 8-digits composite number following 20280688
and preceding 20280690 . In scientific notation, it is written as 2.0280689 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 17017440 positive integers (up to 20280689) that are relatively prime to 20280689.
20280689 has 12 divisors, whose sum is 24008628
The reverse of 20280689 is 98608202
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million two hundred eighty thousand six hundred eighty-nine
Scientific notation
2.0280689 × 10^7
Engineering notation
2.0280689 × 10^6
Prime Factorization
13 × 11 × 11 × 12893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1843699
Product of the distinct prime numbers
The prime factorization of 20280689 is 13 × 11 × 11 × 12893.
Since it has a total of 4 prime factors.
10 , 3 , 30 , 29 , 76 , 591 , 8516 , 9726 , 56157 , 356 , 390402 , 90281 , 225143 , 9737560 , 14386427 , 33851344 , 739345741 , 171362284 , 5905425224 , 6458324662
n×2
40561378
n×3
60842067
n×4
81122756
n×5
101403445
n÷2
10140344.5
n÷3
6760229.6666667
n÷3
5070172.25
n÷5
4056137.8
n2
411306346314721
n3
8.3415760933352E+21
n4
1.6917291051877E+29
n5
3.4309431854559E+36
2 √n
4503.40859794
3 √n
272.70571229895
4 √n
67.107440704739
5 √n
28.934537248214
1 , 11 , 13 , 121 , 143 , 1573 , 12893 , 141823 , 167609 , 1560053 , 1843699 , 20280689
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
-20280688
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 20280689 can be divided by 12 positive divisors.
The sum of these divisors (counting 20280689) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101010111010101110001
3
Ternary
1102011100212122
4
Quaternary
1031113111301
5
Quinary
20142440224
6
Senary
2002404025
8
Octal
115272561
10
Decimal
20280689
12
Duodecimal
6960615
16
Hexadecimal
1357571
20
Vigesimal
66f1e9
36
Base36
c2ooh
md5
02a6fad5a36fc147cf6aca10b3c91c06
sha1
84b6fbf9351e2032bc303284260efc341cf3a7b7
sha256
075b4e951ea4443ef7b3297fc2dfa54b05db985a062edff625a40bfbce7ff91a
sha512
c0d70ec170401730a5e7a89c70482d305df9edfd97a389c8881156c60e695cbd88f5b07d06caccb9266a435cc70cbad136d9c392a53270bbd98bff875f5a3b2c
ripemd-160
209dacfb46fde6b2bcfe9d7a8a3b0fe2e9c1bcc9
Diameter
40561378
Circumference
127427327.14428
Area
1.2921569959572E+15
Volume
3.4941112232243E+22
Surface area
5.1686279838287E+15
Circumference
127427327.14428
Perimeter
81122756
Area
411306346314721
Diagonal
28681225.438071
Surface area
2467838077888326
Volume
8.3415760933352E+21
Space diagonal
35127183.760503
Perimeter
60842067
Area
1.7810087232315E+14
Altitude
17563591.880252
Surface area
1.7810087232315E+14
Volume
9.8306417023015E+20
Height
9560408.4793569