20138530 is an even 8-digits composite number following 20138529
and preceding 20138531 . In scientific notation, it is written as 2.0138530 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors.
There are 7728960 positive integers (up to 20138530) that are relatively prime to 20138530.
20138530 has 32 divisors, whose sum is 37739520
The reverse of 20138530 is 03583102
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-eight thousand five hundred thirty
Scientific notation
2.0138530 × 10^7
Engineering notation
2.0138530 × 10^6
Prime Factorization
2 × 5 × 31 × 389 × 167
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20138530
Product of the distinct prime numbers
The prime factorization of 20138530 is 2 × 5 × 31 × 389 × 167.
Since it has a total of 5 prime factors.
1 , 6 , 10 , 31 , 477 , 964 , 4090 , 2662 , 69322 , 29662 , 237840 , 230391 , 5607075 , 164533 , 51430348 , 55468462 , 556642792 , 815136600 , 5876654857 , 9104196689
n×2
40277060
n×3
60415590
n×4
80554120
n×5
100692650
n÷2
10069265
n÷3
6712843.3333333
n÷3
5034632.5
n÷5
4027706
n2
405560390560900
n3
8.1673900921224E+21
n4
1.6447923039191E+29
n5
3.3123699156244E+36
2 √n
4487.5973527045
3 √n
272.06703401165
4 √n
66.989531665063
5 √n
28.893859274881
1 , 2 , 5 , 10 , 31 , 62 , 155 , 167 , 310 , 334 , 389 , 778 , 835 , 1670 , 1945 , 3890 , 5177 , 10354 , 12059 , 24118 , 25885 , 51770 , 60295 , 64963 , 120590 , 129926 , 324815 , 649630 , 2013853 , 4027706 , 10069265 , 20138530
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
-20138529
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 20138530 can be divided by 32 positive divisors.
The sum of these divisors (counting 20138530) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110100101000100010
3
Ternary
1101220010212111
4
Quaternary
1030310220202
5
Quinary
20123413110
6
Senary
1555345534
8
Octal
114645042
10
Decimal
20138530
12
Duodecimal
68b22aa
16
Hexadecimal
1334a22
20
Vigesimal
65h66a
36
Base36
bzmzm
md5
1a05375205728f3c05b46c7adf550f6d
sha1
ace0b8035c3bdf273311ba7f8af2c7cea991a405
sha256
5c56cea72eee0e1df7ab12cfa59efb123d7ae12f02832b6b5ccb6f5ca93a80c0
sha512
e6a06d7e4c6beedfd4322ffb01fefe67f1c7d2199a30250b2507169913f026023305ff6b0ad19714153c54b9d38059a4eeb2ffed064ac5d703f700793d7cd131
ripemd-160
bdbf804106c463b1cfad30b26cb305145b77833d
Diameter
40277060
Circumference
126534115.8042
Area
1.2741055435731E+15
Volume
3.4211483616552E+22
Surface area
5.0964221742925E+15
Circumference
126534115.8042
Perimeter
80554120
Area
405560390560900
Diagonal
28480182.252257
Surface area
2433362343365400
Volume
8.1673900921224E+21
Space diagonal
34880957.14975
Perimeter
60415590
Area
1.7561280049724E+14
Altitude
17440478.574875
Surface area
1.7561280049724E+14
Volume
9.625361531226E+20
Height
9493394.0840858