20138636 is an even 8-digits composite number following 20138635
and preceding 20138637 . In scientific notation, it is written as 2.0138636 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8630832 positive integers (up to 20138636) that are relatively prime to 20138636.
20138636 has 12 divisors, whose sum is 40277328
The reverse of 20138636 is 63683102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred thirty-eight thousand six hundred thirty-six
Scientific notation
2.0138636 × 10^7
Engineering notation
2.0138636 × 10^6
Prime Factorization
2 × 2 × 7 × 719237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069318
Product of the distinct prime numbers
The prime factorization of 20138636 is 2 × 2 × 7 × 719237.
Since it has a total of 4 prime factors.
8 , 2 , 12 , 16 , 725 , 621 , 3774 , 4040 , 11129 , 67608 , 989043 , 966081 , 2398854 , 8691865 , 90943549 , 16140437 , 101884950 , 849489230 , 5054954292 , 7192696626
n×2
40277272
n×3
60415908
n×4
80554544
n×5
100693180
n÷2
10069318
n÷3
6712878.6666667
n÷3
5034659
n÷5
4027727.2
n2
405564659940496
n3
8.1675190610054E+21
n4
1.6448269339265E+29
n5
3.3124570905342E+36
2 √n
4487.6091630177
3 √n
272.06751135624
4 √n
66.989619815443
5 √n
28.893889691625
1 , 2 , 4 , 7 , 14 , 28 , 719237 , 1438474 , 2876948 , 5034659 , 10069318 , 20138636
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138636 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101010001100
3
Ternary
1101220011000102
4
Quaternary
1030310222030
5
Quinary
20123414021
6
Senary
1555350232
8
Octal
114645214
10
Decimal
20138636
12
Duodecimal
68b2378
16
Hexadecimal
1334a8c
20
Vigesimal
65h6bg
36
Base36
bzn2k
md5
2b9142bba5266863d4fa8caf348a028c
sha1
a9200c7308e4d99f9a65a1034343f2e57e54b63c
sha256
0dee513043ee6298dd1853b8b95e11038e2f8d5aeaae6d66979fc599bd5251e4
sha512
cf074be33e34342274e841addb2ebd9dfcc6e1b003e22f776116461ec92655ac6c899887662f021d555681ab96fb561633ddd72683a9ac9cbbb240fec40d2d55
ripemd-160
4809ed84d19d753b15b75d797100a83542a1f441
Diameter
40277272
Circumference
126534781.82184
Area
1.2741189562247E+15
Volume
3.4212023840146E+22
Surface area
5.0964758248988E+15
Circumference
126534781.82184
Perimeter
80554544
Area
405564659940496
Diagonal
28480332.158895
Surface area
2433387959642976
Volume
8.1675190610054E+21
Space diagonal
34881140.747136
Perimeter
60415908
Area
1.7561464919283E+14
Altitude
17440570.373568
Surface area
1.7561464919283E+14
Volume
9.6255135225122E+20
Height
9493444.052965