20171385 is an odd 8-digits composite number following 20171384
and preceding 20171386 . In scientific notation, it is written as 2.0171385 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9354240 positive integers (up to 20171385) that are relatively prime to 20171385.
20171385 has 24 divisors, whose sum is 23412480
The reverse of 20171385 is 58317102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred seventy-one thousand three hundred eighty-five
Scientific notation
2.0171385 × 10^7
Engineering notation
2.0171385 × 10^6
Prime Factorization
15 × 39 × 41 × 29 × 29
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
695565
Product of the distinct prime numbers
The prime factorization of 20171385 is 15 × 39 × 41 × 29 × 29.
Since it has a total of 5 prime factors.
5 , 2 , 22 , 44 , 886 , 322 , 4601 , 5322 , 28106 , 40784 , 212196 , 84811 , 6624516 , 505814 , 78791466 , 84901437 , 150498033 , 669347548 , 2986432740 , 507214149
n×2
40342770
n×3
60514155
n×4
80685540
n×5
100856925
n÷2
10085692.5
n÷3
6723795
n÷3
5042846.25
n÷5
4034277
n2
406884772818225
n3
8.207429403154E+21
n4
1.6555521835134E+29
n5
3.3394780481239E+36
2 √n
4491.2565057008
3 √n
272.21490819043
4 √n
67.016837479105
5 √n
28.903280904493
1 , 15 , 29 , 39 , 41 , 435 , 585 , 615 , 841 , 1131 , 1189 , 1599 , 12615 , 16965 , 17835 , 23985 , 32799 , 34481 , 46371 , 491985 , 517215 , 695565 , 1344759 , 20171385
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171385 can be divided by 24 positive divisors.
The sum of these divisors (counting 20171385) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100101001111001
3
Ternary
1101221210221100
4
Quaternary
1030330221321
5
Quinary
20130441020
6
Senary
2000202013
8
Octal
114745171
10
Decimal
20171385
12
Duodecimal
6909309
16
Hexadecimal
133ca79
20
Vigesimal
661895
36
Base36
c0cc9
md5
e5df4d5544de6df5c3d52b7bed53f6de
sha1
e28ba039bda072bf39e2adc28ca6936e8af5a5bb
sha256
f8230b875604e438a4dbeadb78c041a67c3f28b981c529f007f3968ad980371f
sha512
39a38df5548d05775f62f58e0bb4ab56757eda694635e77268697bd83147eb9a67305f24fa2e6ced316e6ca92282715eaadbf5acd4887836c8d747d8661fe5ad
ripemd-160
512537a8d77f1d672de93d964ac5e3540eddd3c7
Diameter
40342770
Circumference
126740549.85746
Area
1.2782662131433E+15
Volume
3.4379199890407E+22
Surface area
5.1130648525732E+15
Circumference
126740549.85746
Perimeter
80685540
Area
406884772818225
Diagonal
28526646.238849
Surface area
2441308636909350
Volume
8.207429403154E+21
Space diagonal
34937863.679033
Perimeter
60514155
Area
1.7618627483682E+14
Altitude
17468931.839516
Surface area
1.7618627483682E+14
Volume
9.6725483118E+20
Height
9508882.0796164