20138965 is an odd 8-digits composite number following 20138964
and preceding 20138966 . In scientific notation, it is written as 2.0138965 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 11750400 positive integers (up to 20138965) that are relatively prime to 20138965.
20138965 has 24 divisors, whose sum is 24137568
The reverse of 20138965 is 56983102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-eight thousand nine hundred sixty-five
Scientific notation
2.0138965 × 10^7
Engineering notation
2.0138965 × 10^6
Prime Factorization
11 × 35 × 17 × 17 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1184645
Product of the distinct prime numbers
The prime factorization of 20138965 is 11 × 35 × 17 × 17 × 181.
Since it has a total of 5 prime factors.
1 , 8 , 79 , 77 , 375 , 101 , 8195 , 6253 , 33137 , 4998 , 323683 , 514525 , 2702816 , 2842608 , 54704742 , 48356455 , 106453993 , 959374164 , 9862900160 , 2345165294
n×2
40277930
n×3
60416895
n×4
80555860
n×5
100694825
n÷2
10069482.5
n÷3
6712988.3333333
n÷3
5034741.25
n÷5
4027793
n2
405577911271225
n3
8.1679193598643E+21
n4
1.6449344211113E+29
n5
3.3127276734056E+36
2 √n
4487.6458193579
3 √n
272.0689929151
4 √n
66.98989341205
5 √n
28.893984097499
1 , 11 , 17 , 35 , 181 , 187 , 289 , 385 , 595 , 1991 , 3077 , 3179 , 6335 , 6545 , 10115 , 33847 , 52309 , 69685 , 107695 , 111265 , 575399 , 1184645 , 1830815 , 20138965
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
-20138964
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 20138965 can be divided by 24 positive divisors.
The sum of these divisors (counting 20138965) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110100101111010101
3
Ternary
1101220011110121
4
Quaternary
1030310233111
5
Quinary
20123421330
6
Senary
1555351541
8
Octal
114645725
10
Decimal
20138965
12
Duodecimal
68b25b1
16
Hexadecimal
1334bd5
20
Vigesimal
65h785
36
Base36
bznbp
md5
26d682d56fbf50d758124491973ad92e
sha1
ba5bafc1afcb94d6188c61a4a0d21b29b0176e4c
sha256
e6a8bd5ce606fed06dba6c6f75cc116367b72c5d1c9b474cad37f307511284bf
sha512
43dcad9eb2c329cdeff6ea38b9fc17271c3fc87dad1c0ab17ba1fa6d46fb1baf1580313720192493571f072bc5c83b9d51aa63d0cc53ff67ffbc064c167e7ace
ripemd-160
d3601defec65d5bc6f35948ee6fdb242cfd3bc56
Diameter
40277930
Circumference
126536848.9898
Area
1.274160586508E+15
Volume
3.4213700608085E+22
Surface area
5.0966423460319E+15
Circumference
126536848.9898
Perimeter
80555860
Area
405577911271225
Diagonal
28480797.435157
Surface area
2433467467627350
Volume
8.1679193598643E+21
Space diagonal
34881710.591851
Perimeter
60416895
Area
1.7562038718736E+14
Altitude
17440855.295926
Surface area
1.7562038718736E+14
Volume
9.6259852792416E+20
Height
9493599.1450524