20147809 is an odd 8-digits composite number following 20147808
and preceding 20147810 . In scientific notation, it is written as 2.0147809 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17352000 positive integers (up to 20147809) that are relatively prime to 20147809.
20147809 has 8 divisors, whose sum is 23136480
The reverse of 20147809 is 90874102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-seven thousand eight hundred nine
Scientific notation
2.0147809 × 10^7
Engineering notation
2.0147809 × 10^6
Prime Factorization
11 × 19 × 96401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20147809
Product of the distinct prime numbers
The prime factorization of 20147809 is 11 × 19 × 96401.
Since it has a total of 3 prime factors.
9 , 2 , 9 , 43 , 327 , 38 , 1520 , 5307 , 82399 , 45554 , 944691 , 319965 , 6986520 , 9450023 , 82485860 , 73226100 , 797765630 , 459179368 , 377395602 , 7548932910
n×2
40295618
n×3
60443427
n×4
80591236
n×5
100739045
n÷2
10073904.5
n÷3
6715936.3333333
n÷3
5036952.25
n÷5
4029561.8
n2
405934207500481
n3
8.1786848792861E+21
n4
1.6478258081904E+29
n5
3.3200079648692E+36
2 √n
4488.6310830809
3 √n
272.10881333348
4 √n
66.997246832097
5 √n
28.896521402861
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20147808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147809 can be divided by 8 positive divisors.
The sum of these divisors (counting 20147809) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110111001100001
3
Ternary
1101220121121011
4
Quaternary
1030312321201
5
Quinary
20124212214
6
Senary
1555500521
8
Octal
114667141
10
Decimal
20147809
12
Duodecimal
68b7741
16
Hexadecimal
1336e61
20
Vigesimal
65i9a9
36
Base36
bzu5d
md5
2138894473a29289dcca11111a8d8afb
sha1
e17d5db029506e533ca1412f28d9e55f046ee417
sha256
ffc591b9da539e2414902e4f7657d3d6ef1e06b3dc0b0a2688f599812d0cbcf1
sha512
b6aa61766e77c24b19e6f9a22663d160542438970a9498cf3c8e810228d43248fbd412bce0eeaf2e90afb11408a0c724bcee857ba7438509d4a7b72b0f5d49c7
ripemd-160
d8e80ba29b12999ab1ded03aa424a3b02dc0c7d6
Diameter
40295618
Circumference
126592417.48066
Area
1.2752799241243E+15
Volume
3.4258795110388E+22
Surface area
5.1011196964972E+15
Circumference
126592417.48066
Perimeter
80591236
Area
405934207500481
Diagonal
28493304.739903
Surface area
2435605245002886
Volume
8.1786848792861E+21
Space diagonal
34897028.849193
Perimeter
60443427
Area
1.7577466798026E+14
Altitude
17448514.424597
Surface area
1.7577466798026E+14
Volume
9.6386725655518E+20
Height
9497768.2466342