20170909 is an odd 8-digits composite number following 20170908
and preceding 20170910 . In scientific notation, it is written as 2.0170909 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 18115440 positive integers (up to 20170909) that are relatively prime to 20170909.
20170909 has 8 divisors, whose sum is 22270752
The reverse of 20170909 is 90907102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seventy thousand nine hundred nine
Scientific notation
2.0170909 × 10^7
Engineering notation
2.0170909 × 10^6
Prime Factorization
11 × 83 × 22093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20170909
Product of the distinct prime numbers
The prime factorization of 20170909 is 11 × 83 × 22093.
Since it has a total of 3 prime factors.
2 , 9 , 12 , 57 , 423 , 921 , 2801 , 5150 , 52930 , 27409 , 117193 , 378520 , 5240593 , 6403149 , 8278652 , 16491108 , 131637036 , 218568965 , 864216791 , 9336906032
n×2
40341818
n×3
60512727
n×4
80683636
n×5
100854545
n÷2
10085454.5
n÷3
6723636.3333333
n÷3
5042727.25
n÷5
4034181.8
n2
406865569886281
n3
8.2068483854093E+21
n4
1.6553959195889E+29
n5
3.3390840452999E+36
2 √n
4491.2035135362
3 √n
272.21276695065
4 √n
67.016442113381
5 √n
28.903144492526
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
-20170908
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 20170909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20170909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100100010011101
3
Ternary
1101221210021201
4
Quaternary
1030330202131
5
Quinary
20130432114
6
Senary
2000155501
8
Octal
114744235
10
Decimal
20170909
12
Duodecimal
6908b91
16
Hexadecimal
133c89d
20
Vigesimal
661759
36
Base36
c0bz1
md5
962bab0d752f4a88ae2fe8d739d1ad83
sha1
2b68863d1e569fa83e04088bc508011582986d3b
sha256
2e6e892e843e1e491c421233193d136e0e94e03075e36665bd1444e6256ea890
sha512
0eb07aae6d95d53a8ac17a6c91bca7d1347db9ffadffd655f564d8b08c6d4e1cc3aec1b50d5b44af4c63c986f492d1a79d011b68a6f4908bac78d47c156053d7
ripemd-160
afd01a2dae220c0cf5c87e5b62b6329cfe92ecb2
Diameter
40341818
Circumference
126737559.06126
Area
1.2782058853534E+15
Volume
3.437676612897E+22
Surface area
5.1128235414135E+15
Circumference
126737559.06126
Perimeter
80683636
Area
406865569886281
Diagonal
28525973.073194
Surface area
2441193419317686
Volume
8.2068483854093E+21
Space diagonal
34937039.222848
Perimeter
60512727
Area
1.7617795972338E+14
Altitude
17468519.611424
Surface area
1.7617795972338E+14
Volume
9.6718635758213E+20
Height
9508657.6910645