21131189 is an odd 8-digits composite number following 21131188
and preceding 21131190 . In scientific notation, it is written as 2.1131189 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20639724 positive integers (up to 21131189) that are relatively prime to 21131189.
21131189 has 4 divisors, whose sum is 21622656
The reverse of 21131189 is 98113112
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred thirty-one thousand one hundred eighty-nine
Scientific notation
2.1131189 × 10^7
Engineering notation
2.1131189 × 10^6
Prime Factorization
43 × 491423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131189
Product of the distinct prime numbers
The prime factorization of 21131189 is 43 × 491423.
Since it has a total of 2 prime factors.
7 , 9 , 50 , 46 , 742 , 854 , 9376 , 3245 , 42195 , 73395 , 884870 , 478723 , 1571262 , 8320664 , 64567191 , 24489454 , 481904871 , 753111036 , 9020826441 , 8972348471
n×2
42262378
n×3
63393567
n×4
84524756
n×5
105655945
n÷2
10565594.5
n÷3
7043729.6666667
n÷3
5282797.25
n÷5
4226237.8
n2
446527148553721
n3
9.4356495697198E+21
n4
1.9938649439552E+29
n5
4.2132736971191E+36
2 √n
4596.8673028488
3 √n
276.46573417214
4 √n
67.800201348143
5 √n
29.173248198007
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
-21131188
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 21131189 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100110111110110101
3
Ternary
1110202120112122
4
Quaternary
1100212332311
5
Quinary
20402144224
6
Senary
2032525325
8
Octal
120467665
10
Decimal
21131189
12
Duodecimal
70b0845
16
Hexadecimal
1426fb5
20
Vigesimal
6c17j9
36
Base36
ckwxh
md5
ba1148c97e8097dc677684c2f9b0b501
sha1
0af0484e7c1c8363dee9190df782c55a869d5990
sha256
b8b642737169c73e6415cf966ecb0567c949c9bafa4c42a06b65764d0d8e1ca9
sha512
9ec15c2f012c10ffa029385b6161991d5f04fe57650f6a025808f196f185b304a2dce15c5f9d6a429afed43416effb3fe78921da19e858da5e1dc2c443e6e389
ripemd-160
fb021bef87b379cb1634d1c5ecbc4f7281552391
Diameter
42262378
Circumference
132771176.24803
Area
1.4028064095248E+15
Volume
3.9523956493439E+22
Surface area
5.6112256380991E+15
Circumference
132771176.24803
Perimeter
84524756
Area
446527148553721
Diagonal
29884014.072869
Surface area
2679162891322326
Volume
9.4356495697198E+21
Space diagonal
36600292.972341
Perimeter
63393567
Area
1.9335192706348E+14
Altitude
18300146.48617
Surface area
1.9335192706348E+14
Volume
1.1120019659415E+21
Height
9961338.0242897