20991129 is an odd 8-digits composite number following 20991128
and preceding 20991130 . In scientific notation, it is written as 2.0991129 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13994084 positive integers (up to 20991129) that are relatively prime to 20991129.
20991129 has 4 divisors, whose sum is 27988176
The reverse of 20991129 is 92119902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred ninety-one thousand one hundred twenty-nine
Scientific notation
2.0991129 × 10^7
Engineering notation
2.0991129 × 10^6
Prime Factorization
3 × 6997043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20991129
Product of the distinct prime numbers
The prime factorization of 20991129 is 3 × 6997043.
Since it has a total of 2 prime factors.
5 , 9 , 68 , 56 , 601 , 583 , 9458 , 6596 , 98972 , 90253 , 737754 , 19222 , 6078440 , 5387610 , 1348293 , 21138979 , 528452912 , 592821778 , 3021574487 , 2471207153
n×2
41982258
n×3
62973387
n×4
83964516
n×5
104955645
n÷2
10495564.5
n÷3
6997043
n÷3
5247782.25
n÷5
4198225.8
n2
440627496694641
n3
9.2492686240643E+21
n4
1.9415259084339E+29
n5
4.0754820800777E+36
2 √n
4581.6076872644
3 √n
275.85356388667
4 √n
67.687574097942
5 √n
29.134472514977
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
-20991128
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 20991129 can be divided by 4 positive divisors.
The sum of these divisors (counting 20991129) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000100110010011001
3
Ternary
1110111110102020
4
Quaternary
1100010302121
5
Quinary
20333204004
6
Senary
2025525053
8
Octal
120046231
10
Decimal
20991129
12
Duodecimal
7043789
16
Hexadecimal
1404c99
20
Vigesimal
6b3hg9
36
Base36
chwux
md5
82f6fc86c120cfc9da017ff2dad1e666
sha1
e3bcf30468f69d1eabe2c532af15351ccff9d707
sha256
7177921ec829baf279109ea66bea672b74e03f3e23d97ae232f482226ab384ce
sha512
246cf9666edb7a3839efdf7c528115ee3f1b78c12d7ce5d7020736eef99f2a89c3c5f1192ea03ed97856d07a5dba835d061ba9c08177d17be9db60cf8d2bb8f1
ripemd-160
0e19bfe85e712473f05dde77a0166c04841dfb5f
Diameter
41982258
Circumference
131891153.31391
Area
1.3842721065855E+15
Volume
3.8743245813919E+22
Surface area
5.5370884263422E+15
Circumference
131891153.31391
Perimeter
83964516
Area
440627496694641
Diagonal
29685939.321323
Surface area
2643764980167846
Volume
9.2492686240643E+21
Space diagonal
36357701.936232
Perimeter
62973387
Area
1.9079730287175E+14
Altitude
18178850.968116
Surface area
1.9079730287175E+14
Volume
1.0900367608486E+21
Height
9895313.1071077