20138575 is an odd 8-digits composite number following 20138574
and preceding 20138576 . In scientific notation, it is written as 2.0138575 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 15262560 positive integers (up to 20138575) that are relatively prime to 20138575.
20138575 has 8 divisors, whose sum is 22046960
The reverse of 20138575 is 57583102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand five hundred seventy-five
Scientific notation
2.0138575 × 10^7
Engineering notation
2.0138575 × 10^6
Prime Factorization
25 × 19 × 42397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138575
Product of the distinct prime numbers
The prime factorization of 20138575 is 25 × 19 × 42397.
Since it has a total of 3 prime factors.
10 , 3 , 42 , 22 , 684 , 611 , 9631 , 6444 , 51500 , 19795 , 221552 , 170364 , 414426 , 7393030 , 85729975 , 13706748 , 971164494 , 597603257 , 4389959262 , 5998259794
n×2
40277150
n×3
60415725
n×4
80554300
n×5
100692875
n÷2
10069287.5
n÷3
6712858.3333333
n÷3
5034643.75
n÷5
4027715
n2
405562203030625
n3
8.1674448428975E+21
n4
1.6448070052705E+29
n5
3.3124069236166E+36
2 √n
4487.6023665205
3 √n
272.06723665815
4 √n
66.989569087437
5 √n
28.893872187665
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138574
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138575 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138575) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101001001111
3
Ternary
1101220010221011
4
Quaternary
1030310221033
5
Quinary
20123413300
6
Senary
1555350051
8
Octal
114645117
10
Decimal
20138575
12
Duodecimal
68b2327
16
Hexadecimal
1334a4f
20
Vigesimal
65h68f
36
Base36
bzn0v
md5
70df4f1e40798c52211954fb771b9efa
sha1
27730247b7bc97049562fd0970c9c834be3b879b
sha256
53c31605ebc580c3668070a2bb02029d534995add9c840c966e0a6e6f7dd8db2
sha512
e8b8613594ed5669cff6f6dcae16ad0ff564e851ac0e8fa1fe837e87600cab28d09df74975e8a40e446bf7e7ce0649429a32c303970f1a338ef984d3e1b21c22
ripemd-160
4699ff17315fc7a3a6f1e664588659de8c9ee93d
Diameter
40277150
Circumference
126534398.54753
Area
1.2741112376147E+15
Volume
3.4211712956062E+22
Surface area
5.0964449504588E+15
Circumference
126534398.54753
Perimeter
80554300
Area
405562203030625
Diagonal
28480245.891868
Surface area
2433373218183750
Volume
8.1674448428975E+21
Space diagonal
34881035.092036
Perimeter
60415725
Area
1.7561358531965E+14
Altitude
17440517.546018
Surface area
1.7561358531965E+14
Volume
9.6254260556332E+20
Height
9493415.2972893