20538690 is an even 8-digits composite number following 20538689
and preceding 20538691 . In scientific notation, it is written as 2.0538690 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 5463744 positive integers (up to 20538690) that are relatively prime to 20538690.
20538690 has 32 divisors, whose sum is 49412160
The reverse of 20538690 is 09683502
Previous prime number is 797
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million five hundred thirty-eight thousand six hundred ninety
Scientific notation
2.0538690 × 10^7
Engineering notation
2.0538690 × 10^6
Prime Factorization
2 × 3 × 5 × 797 × 859
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20538690
Product of the distinct prime numbers
The prime factorization of 20538690 is 2 × 3 × 5 × 797 × 859.
Since it has a total of 5 prime factors.
5 , 4 , 50 , 6 , 689 , 702 , 6677 , 4748 , 38374 , 71826 , 674751 , 809517 , 3295664 , 2802995 , 23454479 , 25843437 , 368609219 , 972929429 , 2283422501 , 4188567103
n×2
41077380
n×3
61616070
n×4
82154760
n×5
102693450
n÷2
10269345
n÷3
6846230
n÷3
5134672.5
n÷5
4107738
n2
421837786916100
n3
8.6639955357558E+21
n4
1.7794711847027E+29
n5
3.6548007026542E+36
2 √n
4531.9631507769
3 √n
273.85725244253
4 √n
67.319857031762
5 √n
29.007783672917
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 797 , 859 , 1594 , 1718 , 2391 , 2577 , 3985 , 4295 , 4782 , 5154 , 7970 , 8590 , 11955 , 12885 , 23910 , 25770 , 684623 , 1369246 , 2053869 , 3423115 , 4107738 , 6846230 , 10269345 , 20538690
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
-20538689
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 20538690 can be divided by 32 positive divisors.
The sum of these divisors (counting 20538690) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110010110010101000010
3
Ternary
1102122110210020
4
Quaternary
1032112111002
5
Quinary
20224214230
6
Senary
2012114310
8
Octal
116262502
10
Decimal
20538690
12
Duodecimal
6a65996
16
Hexadecimal
1396542
20
Vigesimal
6876ea
36
Base36
c87r6
md5
a0e432bcd1c171ea304934816514c18c
sha1
4b83269a6abedaf29b54719708df7a39e2f03738
sha256
0952433986711ba19995def09796e55b9146a11209d783ef89283c91551a7d44
sha512
39cd08c7455cdeea28755fce13bfc35ddb894465d4e26687f7c1bc199d9ba7df3d622fa064178f28975578fb31029b0081396e19d03a9e2f838903f05d5abec0
ripemd-160
edff439eea5fbdfd587d2bb7d9b763e908c3c625
Diameter
41077380
Circumference
129048395.23672
Area
1.3252424923822E+15
Volume
3.6291659634487E+22
Surface area
5.3009699695288E+15
Circumference
129048395.23672
Perimeter
82154760
Area
421837786916100
Diagonal
29046093.951377
Surface area
2531026721496600
Volume
8.6639955357558E+21
Space diagonal
35574054.600907
Perimeter
61616070
Area
1.8266111987277E+14
Altitude
17787027.300453
Surface area
1.8266111987277E+14
Volume
1.0210616659172E+21
Height
9682031.3171256