20306788 is an even 8-digits composite number following 20306787
and preceding 20306789 . In scientific notation, it is written as 2.0306788 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10080072 positive integers (up to 20306788) that are relatively prime to 20306788.
20306788 has 12 divisors, whose sum is 35793520
The reverse of 20306788 is 88760302
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred six thousand seven hundred eighty-eight
Scientific notation
2.0306788 × 10^7
Engineering notation
2.0306788 × 10^6
Prime Factorization
2 × 2 × 139 × 36523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10153394
Product of the distinct prime numbers
The prime factorization of 20306788 is 2 × 2 × 139 × 36523.
Since it has a total of 4 prime factors.
8 , 6 , 14 , 70 , 761 , 146 , 2489 , 730 , 49929 , 46625 , 583558 , 362163 , 5000896 , 3245864 , 80425699 , 43195133 , 473527034 , 779413522 , 5426867511 , 357056375
n×2
40613576
n×3
60920364
n×4
81227152
n×5
101533940
n÷2
10153394
n÷3
6768929.3333333
n÷3
5076697
n÷5
4061357.6
n2
412365638876944
n3
8.3738216071587E+21
n4
1.7004542012639E+29
n5
3.4530762968775E+36
2 √n
4506.3053602702
3 √n
272.82264283465
4 √n
67.129020254062
5 √n
28.94198052653
1 , 2 , 4 , 139 , 278 , 556 , 36523 , 73046 , 146092 , 5076697 , 10153394 , 20306788
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
-20306787
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 20306788 can be divided by 12 positive divisors.
The sum of these divisors (counting 20306788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101011101101101100100
3
Ternary
1102012200200021
4
Quaternary
1031131231210
5
Quinary
20144304123
6
Senary
2003124524
8
Octal
115355544
10
Decimal
20306788
12
Duodecimal
6973744
16
Hexadecimal
135db64
20
Vigesimal
66i6j8
36
Base36
c38tg
md5
e166888e0c4e869ec7bd29ae22be8bb2
sha1
6fcab053a3fbc6be847a194e2a7d92e4e4d2aabe
sha256
4b2bd18c3b3d0a26db4c33ae1a4c7c934e78ece4f84d81268a2e8c0a06addccc
sha512
0ec27b46a7672052db7e44174200d1370f2b66b2ce3236ae9a27af4bf499d4855ee7b650048a240cea1f652bd89fd9e49328289924d7f1ade7edb00b4ed22fa4
ripemd-160
6808038f117e7d64d9bc1d712055692a1f937e34
Diameter
40613576
Circumference
127591311.99761
Area
1.2954848616887E+15
Volume
3.5076181924695E+22
Surface area
5.1819394467547E+15
Circumference
127591311.99761
Perimeter
81227152
Area
412365638876944
Diagonal
28718134.997835
Surface area
2474193833261664
Volume
8.3738216071587E+21
Space diagonal
35172388.55453
Perimeter
60920364
Area
1.7855955945762E+14
Altitude
17586194.277265
Surface area
1.7855955945762E+14
Volume
9.8686434047805E+20
Height
9572711.6659451