20147385 is an odd 8-digits composite number following 20147384
and preceding 20147386 . In scientific notation, it is written as 2.0147385 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 10414080 positive integers (up to 20147385) that are relatively prime to 20147385.
20147385 has 32 divisors, whose sum is 33247872
The reverse of 20147385 is 58374102
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-seven thousand three hundred eighty-five
Scientific notation
2.0147385 × 10^7
Engineering notation
2.0147385 × 10^6
Prime Factorization
3 × 61 × 5 × 97 × 227
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20147385
Product of the distinct prime numbers
The prime factorization of 20147385 is 3 × 61 × 5 × 97 × 227.
Since it has a total of 5 prime factors.
1 , 9 , 16 , 24 , 172 , 829 , 2294 , 9631 , 17412 , 71920 , 118738 , 373335 , 803994 , 1706971 , 51667862 , 14504128 , 211849144 , 698784277 , 4638008425 , 9087039280
n×2
40294770
n×3
60442155
n×4
80589540
n×5
100736925
n÷2
10073692.5
n÷3
6715795
n÷3
5036846.25
n÷5
4029477
n2
405917122338225
n3
8.1781685418403E+21
n4
1.6476871020735E+29
n5
3.3196586405008E+36
2 √n
4488.5838523971
3 √n
272.10690452467
4 √n
66.996894348896
5 √n
28.896399779431
1 , 3 , 5 , 15 , 61 , 97 , 183 , 227 , 291 , 305 , 485 , 681 , 915 , 1135 , 1455 , 3405 , 5917 , 13847 , 17751 , 22019 , 29585 , 41541 , 66057 , 69235 , 88755 , 110095 , 207705 , 330285 , 1343159 , 4029477 , 6715795 , 20147385
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20147384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147385 can be divided by 32 positive divisors.
The sum of these divisors (counting 20147385) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110110110010111001
3
Ternary
1101220121000110
4
Quaternary
1030312302321
5
Quinary
20124204020
6
Senary
1555454533
8
Octal
114666271
10
Decimal
20147385
12
Duodecimal
68b7449
16
Hexadecimal
1336cb9
20
Vigesimal
65i895
36
Base36
bzttl
md5
ad5ac5ca8185fe5f05fe24f742fc6cff
sha1
04d8e5677c96d78baf8b3d778c52799bdf7729ae
sha256
437b8010e0fe74f892d3ff03fa197177519b07d8dab44073a0370281dfc7235a
sha512
48f7d9092d6b13cb2047754873ca57955c08f26dc29ad2e2599fa1e1551cd4179c44db99b07ec0e6656be7f8a5e74ecdeea9c429b0700e7f855e785070f35326
ripemd-160
207f6ec20a7f55ea648e579aa26268147a871529
Diameter
40294770
Circumference
126589753.41009
Area
1.2752262495041E+15
Volume
3.4256632281153E+22
Surface area
5.1009049980163E+15
Circumference
126589753.41009
Perimeter
80589540
Area
405917122338225
Diagonal
28492705.113352
Surface area
2435502734029350
Volume
8.1781685418403E+21
Space diagonal
34896294.459651
Perimeter
60442155
Area
1.7576726988799E+14
Altitude
17448147.229826
Surface area
1.7576726988799E+14
Volume
9.6380640560363E+20
Height
9497568.3711174