20171993 is an odd 8-digits composite number following 20171992
and preceding 20171994 . In scientific notation, it is written as 2.0171993 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19626768 positive integers (up to 20171993) that are relatively prime to 20171993.
20171993 has 4 divisors, whose sum is 20717220
The reverse of 20171993 is 39917102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred seventy-one thousand nine hundred ninety-three
Scientific notation
2.0171993 × 10^7
Engineering notation
2.0171993 × 10^6
Prime Factorization
37 × 545189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20171993
Product of the distinct prime numbers
The prime factorization of 20171993 is 37 × 545189.
Since it has a total of 2 prime factors.
4 , 9 , 50 , 23 , 855 , 809 , 25 , 718 , 19212 , 97442 , 707911 , 808130 , 7893116 , 4081982 , 25409872 , 22422170 , 154714265 , 766853749 , 7350383681 , 9770262373
n×2
40343986
n×3
60515979
n×4
80687972
n×5
100859965
n÷2
10085996.5
n÷3
6723997.6666667
n÷3
5042998.25
n÷5
4034398.6
n2
406909301592049
n3
8.2081715833497E+21
n4
1.6557517972213E+29
n5
3.3399813663285E+36
2 √n
4491.3241922622
3 √n
272.21764317039
4 √n
67.017342473887
5 √n
28.903455141244
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171993 can be divided by 4 positive divisors.
The sum of these divisors (counting 20171993) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100110011011001
3
Ternary
1101221211202212
4
Quaternary
1030330303121
5
Quinary
20131000433
6
Senary
2000204505
8
Octal
114746331
10
Decimal
20171993
12
Duodecimal
6909735
16
Hexadecimal
133ccd9
20
Vigesimal
6619jd
36
Base36
c0ct5
md5
62c42d0bcaf3eab47114ab2a2207ac95
sha1
377b59a168f218bfa7f15ff8bba7e8346d44ac58
sha256
6e51e0a82100aad62cbdc9cef6fa99a167e086568d15277ac0cf153338190ddc
sha512
9b82772bf194d8d312f8c0db7a2b7375e42057fd9cc914ac23b9efd5721ce13dd96ed2b92fdf5329ae4f7420c282f2097eb449e9c3e58cc626ac53b578bd9576
ripemd-160
6caeb55ad98951745ccd11511a9c0f64c1b11452
Diameter
40343986
Circumference
126744370.03413
Area
1.2783432725589E+15
Volume
3.4382308727541E+22
Surface area
5.1133730902357E+15
Circumference
126744370.03413
Perimeter
80687972
Area
406909301592049
Diagonal
28527506.080695
Surface area
2441455809552294
Volume
8.2081715833497E+21
Space diagonal
34938916.765924
Perimeter
60515979
Area
1.7619689610745E+14
Altitude
17469458.382962
Surface area
1.7619689610745E+14
Volume
9.6734229795488E+20
Height
9509168.693565