20132991 is an odd 8-digits composite number following 20132990
and preceding 20132992 . In scientific notation, it is written as 2.0132991 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13421988 positive integers (up to 20132991) that are relatively prime to 20132991.
20132991 has 4 divisors, whose sum is 22370000
The reverse of 20132991 is 19923102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred thirty-two thousand nine hundred ninety-one
Scientific notation
2.0132991 × 10^7
Engineering notation
2.0132991 × 10^6
Prime Factorization
9 × 2236999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20132991
Product of the distinct prime numbers
The prime factorization of 20132991 is 9 × 2236999.
Since it has a total of 2 prime factors.
9 , 2 , 42 , 54 , 187 , 112 , 8084 , 5401 , 42998 , 15040 , 665207 , 915074 , 4715519 , 5528710 , 55927098 , 65265825 , 618422409 , 104453110 , 2819803975 , 8252934825
n×2
40265982
n×3
60398973
n×4
80531964
n×5
100664955
n÷2
10066495.5
n÷3
6710997
n÷3
5033247.75
n÷5
4026598.2
n2
405337326606081
n3
8.1606527485243E+21
n4
1.6429834834016E+29
n5
3.3078171684474E+36
2 √n
4486.980164877
3 √n
272.04208817425
4 √n
66.984924907602
5 √n
28.892269678251
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20132990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20132991 can be divided by 4 positive divisors.
The sum of these divisors (counting 20132991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011010001111111
3
Ternary
1101212212021100
4
Quaternary
1030303101333
5
Quinary
20123223431
6
Senary
1555304143
8
Octal
114632177
10
Decimal
20132991
12
Duodecimal
68ab053
16
Hexadecimal
133347f
20
Vigesimal
65gc9b
36
Base36
bzipr
md5
014f94d670f9b05ee7d8d917a2a30c99
sha1
d1cc13212378d6c9a8ed49567c6bc9473bb5cc97
sha256
69a8ab6938604d8569fb356e52ef0a56d4cfdc1b3a47328813c3c331522e4bae
sha512
b2b24dbb542d1b1c2fd450d271acfeeab886bc9d486568247887c54c805a533c2741d90f7e10e223d64e5e2d5ef26e775ccbecbdf656bec844de0f8f3d55a226
ripemd-160
f3aa7b9ec238757be12fa91a3e0f1711118bd70b
Diameter
40265982
Circumference
126499313.24078
Area
1.2734047674914E+15
Volume
3.4183262297682E+22
Surface area
5.0936190699656E+15
Circumference
126499313.24078
Perimeter
80531964
Area
405337326606081
Diagonal
28472348.923335
Surface area
2432023959636486
Volume
8.1606527485243E+21
Space diagonal
34871363.320327
Perimeter
60398973
Area
1.7551621097147E+14
Altitude
17435681.660163
Surface area
1.7551621097147E+14
Volume
9.6174214956503E+20
Height
9490782.9744452