21131766 is an even 8-digits composite number following 21131765
and preceding 21131767 . In scientific notation, it is written as 2.1131766 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 7043760 positive integers (up to 21131766) that are relatively prime to 21131766.
21131766 has 24 divisors, whose sum is 47482344
The reverse of 21131766 is 66713112
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-one thousand seven hundred sixty-six
Scientific notation
2.1131766 × 10^7
Engineering notation
2.1131766 × 10^6
Prime Factorization
2 × 9 × 3 × 9 × 43481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2347974
Product of the distinct prime numbers
The prime factorization of 21131766 is 2 × 9 × 3 × 9 × 43481.
Since it has a total of 5 prime factors.
10 , 2 , 76 , 64 , 181 , 442 , 6433 , 5710 , 98296 , 86254 , 490902 , 81733 , 5649573 , 984940 , 15638063 , 82617114 , 928508226 , 133596171 , 1936286738 , 7792612328
n×2
42263532
n×3
63395298
n×4
84527064
n×5
105658830
n÷2
10565883
n÷3
7043922
n÷3
5282941.5
n÷5
4226353.2
n2
446551534278756
n3
9.4364225293197E+21
n4
1.9940827276671E+29
n5
4.2138489585703E+36
2 √n
4596.9300625526
3 √n
276.46825050438
4 √n
67.800664174863
5 √n
29.173407514933
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 243 , 486 , 43481 , 86962 , 130443 , 260886 , 391329 , 782658 , 1173987 , 2347974 , 3521961 , 7043922 , 10565883 , 21131766
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131765
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131766 can be divided by 24 positive divisors.
The sum of these divisors (counting 21131766) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100111000111110110
3
Ternary
1110202121100000
4
Quaternary
1100213013312
5
Quinary
20402204031
6
Senary
2032532130
8
Octal
120470766
10
Decimal
21131766
12
Duodecimal
70b1046
16
Hexadecimal
14271f6
20
Vigesimal
6c1986
36
Base36
ckxdi
md5
d6f44c8d881da992112f97d3c7a01d21
sha1
cedb19f49755e901470e689ed156abbaa94c7c9b
sha256
32557d03db1eee979b114525b199d0b1cbc1ec5c2fb6d974ed00b7591fd9de01
sha512
750f5b204afc1fdfe5af7a5f4c96874926cc638c5cdf25f3d8278cf68bd090245f07d895ed929f3e765e5fc073b8fd8de3d4aed42c9c5f86f3923e90c7a3cc9a
ripemd-160
602e74f85d038e8c0cf5f88641ebb1eb0b09df1a
Diameter
42263532
Circumference
132774801.64596
Area
1.4028830195394E+15
Volume
3.952719425904E+22
Surface area
5.6115320781576E+15
Circumference
132774801.64596
Perimeter
84527064
Area
446551534278756
Diagonal
29884830.074095
Surface area
2679309205672536
Volume
9.4364225293197E+21
Space diagonal
36601292.365657
Perimeter
63395298
Area
1.9336248639216E+14
Altitude
18300646.182828
Surface area
1.9336248639216E+14
Volume
1.1120930601039E+21
Height
9961610.0246982