20172385 is an odd 8-digits composite number following 20172384
and preceding 20172386 . In scientific notation, it is written as 2.0172385 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16137904 positive integers (up to 20172385) that are relatively prime to 20172385.
20172385 has 4 divisors, whose sum is 24206868
The reverse of 20172385 is 58327102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred seventy-two thousand three hundred eighty-five
Scientific notation
2.0172385 × 10^7
Engineering notation
2.0172385 × 10^6
Prime Factorization
5 × 4034477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20172385
Product of the distinct prime numbers
The prime factorization of 20172385 is 5 × 4034477.
Since it has a total of 2 prime factors.
8 , 10 , 19 , 90 , 870 , 171 , 217 , 4587 , 41516 , 29646 , 599121 , 170195 , 1734633 , 6369685 , 51593364 , 31366350 , 885815497 , 931754801 , 6351078854 , 9572165708
n×2
40344770
n×3
60517155
n×4
80689540
n×5
100861925
n÷2
10086192.5
n÷3
6724128.3333333
n÷3
5043096.25
n÷5
4034477
n2
406925116588225
n3
8.2086501179876E+21
n4
1.6558805051034E+29
n5
3.340305906294E+36
2 √n
4491.3678317412
3 √n
272.21940648359
4 √n
67.017668056575
5 √n
28.903567475869
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
-20172384
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 20172385 can be divided by 4 positive divisors.
The sum of these divisors (counting 20172385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100111001100001
3
Ternary
1101221212022101
4
Quaternary
1030330321201
5
Quinary
20131004020
6
Senary
2000210401
8
Octal
114747141
10
Decimal
20172385
12
Duodecimal
6909a01
16
Hexadecimal
133ce61
20
Vigesimal
661aj5
36
Base36
c0d41
md5
fdbc4d44deccbe440d2691c356e3a82e
sha1
47452455e2bbf684636178f7770c382ab066c163
sha256
312d440f1c2b094ea572b3e9766df6f29cc6395595efbd46203c7a1c08153716
sha512
9eba5c5f1d1eae3d38cd98149d90c090a2ff974fa4ec7bbba7c681434e611ab5a65ca8f6bbd18f6b574b8121ad756d04872876fd3980b5fc631b07fcb6e65386
ripemd-160
6b80af528e07611c816f265653b1cee75372be45
Diameter
40344770
Circumference
126746833.04277
Area
1.2783929568347E+15
Volume
3.4384313208745E+22
Surface area
5.113571827339E+15
Circumference
126746833.04277
Perimeter
80689540
Area
406925116588225
Diagonal
28528060.452412
Surface area
2441550699529350
Volume
8.2086501179876E+21
Space diagonal
34939595.72984
Perimeter
60517155
Area
1.7620374420167E+14
Altitude
17469797.86492
Surface area
1.7620374420167E+14
Volume
9.6739869380279E+20
Height
9509353.4841372