20138651 is an odd 8-digits composite number following 20138650
and preceding 20138652 . In scientific notation, it is written as 2.0138651 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17610912 positive integers (up to 20138651) that are relatively prime to 20138651.
20138651 has 8 divisors, whose sum is 22829520
The reverse of 20138651 is 15683102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand six hundred fifty-one
Scientific notation
2.0138651 × 10^7
Engineering notation
2.0138651 × 10^6
Prime Factorization
19 × 13 × 81533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138651
Product of the distinct prime numbers
The prime factorization of 20138651 is 19 × 13 × 81533.
Since it has a total of 3 prime factors.
5 , 6 , 40 , 12 , 574 , 332 , 9787 , 5573 , 60446 , 7250 , 670512 , 899885 , 8865359 , 7237591 , 97844159 , 26273713 , 88002728 , 451063039 , 5986256048 , 7136919231
n×2
40277302
n×3
60415953
n×4
80554604
n×5
100693255
n÷2
10069325.5
n÷3
6712883.6666667
n÷3
5034662.75
n÷5
4027730.2
n2
405565264099801
n3
8.1675373114287E+21
n4
1.6448318344434E+29
n5
3.3124694267546E+36
2 √n
4487.6108342859
3 √n
272.06757890487
4 √n
66.989632289526
5 √n
28.893893995871
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
-20138650
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 20138651 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138651) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101010011011
3
Ternary
1101220011000222
4
Quaternary
1030310222123
5
Quinary
20123414101
6
Senary
1555350255
8
Octal
114645233
10
Decimal
20138651
12
Duodecimal
68b238b
16
Hexadecimal
1334a9b
20
Vigesimal
65h6cb
36
Base36
bzn2z
md5
180767fd2be45bf23aca0aeabf0b6f4f
sha1
68e87e3c5f7bcb38feb06c2a58d5210077d86446
sha256
986f4b54ccda52e874b1f0640c88eeb50bd47419725ee20f28767a45be51f7f9
sha512
8d175e1a1436b8af83540f34f9ada8da89ce07b8db9188a6ab243a20646fc5ad1bca0d4ed2627107ec75fa60489e54c2d1e1b3f3d7dda631eb21200e1832a8c9
ripemd-160
4c1be141178f505189da36e9cdd91a1dcf4997c7
Diameter
40277302
Circumference
126534876.06962
Area
1.2741208542471E+15
Volume
3.421210028734E+22
Surface area
5.0964834169886E+15
Circumference
126534876.06962
Perimeter
80554604
Area
405565264099801
Diagonal
28480353.372098
Surface area
2433391584598806
Volume
8.1675373114287E+21
Space diagonal
34881166.727898
Perimeter
60415953
Area
1.7561491080149E+14
Altitude
17440583.363949
Surface area
1.7561491080149E+14
Volume
9.6255350308423E+20
Height
9493451.1240328