20171028 is an even 8-digits composite number following 20171027
and preceding 20171029 . In scientific notation, it is written as 2.0171028 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 6723672 positive integers (up to 20171028) that are relatively prime to 20171028.
20171028 has 12 divisors, whose sum is 47065760
The reverse of 20171028 is 82017102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred seventy-one thousand twenty-eight
Scientific notation
2.0171028 × 10^7
Engineering notation
2.0171028 × 10^6
Prime Factorization
2 × 2 × 3 × 1680919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10085514
Product of the distinct prime numbers
The prime factorization of 20171028 is 2 × 2 × 3 × 1680919.
Since it has a total of 4 prime factors.
6 , 3 , 44 , 38 , 395 , 77 , 5243 , 6433 , 51557 , 97849 , 500914 , 748971 , 3603948 , 298108 , 4982010 , 80146019 , 147279523 , 928250047 , 966785586 , 4726895424
n×2
40342056
n×3
60513084
n×4
80684112
n×5
100855140
n÷2
10085514
n÷3
6723676
n÷3
5042757
n÷5
4034205.6
n2
406870370576784
n3
8.2069936372747E+21
n4
1.6554349845329E+29
n5
3.3391825425193E+36
2 √n
4491.216761636
3 √n
272.21330226375
4 √n
67.016540955468
5 √n
28.903178595759
1 , 2 , 3 , 4 , 6 , 12 , 1680919 , 3361838 , 5042757 , 6723676 , 10085514 , 20171028
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
-20171027
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 20171028 can be divided by 12 positive divisors.
The sum of these divisors (counting 20171028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111100100100010100
3
Ternary
1101221210110010
4
Quaternary
1030330210110
5
Quinary
20130433103
6
Senary
2000200220
8
Octal
114744424
10
Decimal
20171028
12
Duodecimal
6909070
16
Hexadecimal
133c914
20
Vigesimal
6617b8
36
Base36
c0c2c
md5
f49599f195e2d87e8265beb1e55f423b
sha1
59c4e9c58855e98cdc1bcd14f8627567d4ef52d3
sha256
22a983ead47268ed9d7ca741f3152577532079e0ee300f53a694f63dbfcbed52
sha512
13983c0e9e7aa45830a7bc725fffd5738bfd61cb2fe93ddd1fe488876608b4c79cb9ec3947d2ddd6000459e4a1dfe1c6f27f58fc1fa4b3c81910cf9460f4a61b
ripemd-160
f4b6bd6908060d33cc4762e656b9038b785eece9
Diameter
40342056
Circumference
126738306.76031
Area
1.2782209671674E+15
Volume
3.437737455856E+22
Surface area
5.1128838686695E+15
Circumference
126738306.76031
Perimeter
80684112
Area
406870370576784
Diagonal
28526141.364607
Surface area
2441222223460704
Volume
8.2069936372747E+21
Space diagonal
34937245.336894
Perimeter
60513084
Area
1.7618003848334E+14
Altitude
17468622.668447
Surface area
1.7618003848334E+14
Volume
9.6720347567863E+20
Height
9508713.7882025