21086823 is an odd 8-digits composite number following 21086822
and preceding 21086824 . In scientific notation, it is written as 2.1086823 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14057880 positive integers (up to 21086823) that are relatively prime to 21086823.
21086823 has 4 divisors, whose sum is 28115768
The reverse of 21086823 is 32868012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-six thousand eight hundred twenty-three
Scientific notation
2.1086823 × 10^7
Engineering notation
2.1086823 × 10^6
Prime Factorization
3 × 7028941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21086823
Product of the distinct prime numbers
The prime factorization of 21086823 is 3 × 7028941.
Since it has a total of 2 prime factors.
4 , 9 , 55 , 35 , 923 , 967 , 9147 , 4754 , 89239 , 83244 , 408152 , 986274 , 7052692 , 8156390 , 14467973 , 87408470 , 797444956 , 37931260 , 3086504695 , 5518865708
n×2
42173646
n×3
63260469
n×4
84347292
n×5
105434115
n÷2
10543411.5
n÷3
7028941
n÷3
5271705.75
n÷5
4217364.6
n2
444654104233329
n3
9.3763423921918E+21
n4
1.9771727241154E+29
n5
4.169229127385E+36
2 √n
4592.0390895549
3 √n
276.27211400676
4 √n
67.764585806709
5 √n
29.160987755109
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
-21086822
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 21086823 can be divided by 4 positive divisors.
The sum of these divisors (counting 21086823) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011100001001100111
3
Ternary
1110200022200110
4
Quaternary
1100130021213
5
Quinary
20344234243
6
Senary
2031544103
8
Octal
120341147
10
Decimal
21086823
12
Duodecimal
708b033
16
Hexadecimal
141c267
20
Vigesimal
6bfh13
36
Base36
cjyp3
md5
ac9153df5236c870a73d66d724d03583
sha1
fbefe8d196b71e353bb4073c9f27e68d3726e356
sha256
5d0b15bd343355d541568b4e1080a8297f99f33d48ed71176f4468386f9f76da
sha512
b99b3881c022f5b6d8bc136abca469d3a012f6cc42343545bae349a7c2818c8008f57fbfa0148989a1780dcea12f5f5b3cbe2f3504b9966c24acdac0ae54321f
ripemd-160
2287fb56f7b9a4ae177c326ab6aa87db8fe725fe
Diameter
42173646
Circumference
132492416.4487
Area
1.396922067248E+15
Volume
3.9275531169136E+22
Surface area
5.5876882689919E+15
Circumference
132492416.4487
Perimeter
84347292
Area
444654104233329
Diagonal
29821271.073961
Surface area
2667924625399974
Volume
9.3763423921918E+21
Space diagonal
36523448.806212
Perimeter
63260469
Area
1.9254087508154E+14
Altitude
18261724.403106
Surface area
1.9254087508154E+14
Volume
1.1050125480409E+21
Height
9940423.6913203