20808863 is an odd 8-digits composite number following 20808862
and preceding 20808864 . In scientific notation, it is written as 2.0808863 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 19819296 positive integers (up to 20808863) that are relatively prime to 20808863.
20808863 has 12 divisors, whose sum is 21844680
The reverse of 20808863 is 36880802
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred eight thousand eight hundred sixty-three
Scientific notation
2.0808863 × 10^7
Engineering notation
2.0808863 × 10^6
Prime Factorization
227 × 29 × 29 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
717547
Product of the distinct prime numbers
The prime factorization of 20808863 is 227 × 29 × 29 × 109.
Since it has a total of 4 prime factors.
1 , 7 , 35 , 62 , 797 , 229 , 2290 , 9769 , 65639 , 15550 , 809145 , 731897 , 9392708 , 8973527 , 42594117 , 50342132 , 42928390 , 657649921 , 3315091692 , 5039400218
n×2
41617726
n×3
62426589
n×4
83235452
n×5
104044315
n÷2
10404431.5
n÷3
6936287.6666667
n÷3
5202215.75
n÷5
4161772.6
n2
433008779352769
n3
9.010420367349E+21
n4
1.8749660299658E+29
n5
3.9015911247211E+36
2 √n
4561.6732675631
3 √n
275.05282951983
4 √n
67.540160405222
5 √n
29.083700935096
1 , 29 , 109 , 227 , 841 , 3161 , 6583 , 24743 , 91669 , 190907 , 717547 , 20808863
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
-20808862
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 20808863 can be divided by 12 positive divisors.
The sum of these divisors (counting 20808863) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111011000010010011111
3
Ternary
1110011012101122
4
Quaternary
1033120102133
5
Quinary
20311340423
6
Senary
2022001155
8
Octal
117302237
10
Decimal
20808863
12
Duodecimal
6b761bb
16
Hexadecimal
13d849f
20
Vigesimal
6a1233
36
Base36
ce07z
md5
ff49037ed4c67ee16a1bb6ef822cffed
sha1
6defc9d6304b5c3023dfd5b1d61fb3c00dff3619
sha256
89ccf39b91d86b307d04ed05c91fe8bb24c5acd36437a338bdcad414144c3417
sha512
6a3afaf0d3b0230e3ca2ccc16ac292ac4c9042d5f548adc13d1f47e7244c75d31dddc146fa309a12af6f7b18611dd126dbf87497c916bd52faca9d98972d4523
ripemd-160
1d0f73af310d54a1cddb7c439886fd7e0b639795
Diameter
41617726
Circumference
130745942.26071
Area
1.3603372001545E+15
Volume
3.7742760575759E+22
Surface area
5.4413488006182E+15
Circumference
130745942.26071
Perimeter
83235452
Area
433008779352769
Diagonal
29428176.272164
Surface area
2598052676116614
Volume
9.010420367349E+21
Space diagonal
36042007.96374
Perimeter
62426589
Area
1.8749830149059E+14
Altitude
18021003.98187
Surface area
1.8749830149059E+14
Volume
1.061888223849E+21
Height
9809392.0907212