21231723 is an odd 8-digits composite number following 21231722
and preceding 21231724 . In scientific notation, it is written as 2.1231723 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13825224 positive integers (up to 21231723) that are relatively prime to 21231723.
21231723 has 8 divisors, whose sum is 28967488
The reverse of 21231723 is 32713212
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred thirty-one thousand seven hundred twenty-three
Scientific notation
2.1231723 × 10^7
Engineering notation
2.1231723 × 10^6
Prime Factorization
3 × 43 × 164587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21231723
Product of the distinct prime numbers
The prime factorization of 21231723 is 3 × 43 × 164587.
Since it has a total of 3 prime factors.
1 , 3 , 12 , 19 , 862 , 116 , 2465 , 192 , 33902 , 52422 , 929306 , 856206 , 9166595 , 6679874 , 95000276 , 41409551 , 799679841 , 509614910 , 7390753154 , 3925776600
n×2
42463446
n×3
63695169
n×4
84926892
n×5
106158615
n÷2
10615861.5
n÷3
7077241
n÷3
5307930.75
n÷5
4246344.6
n2
450786061548729
n3
9.5709647910636E+21
n4
2.0320807328661E+29
n5
4.3144575233851E+36
2 √n
4607.7893832075
3 √n
276.90347960201
4 √n
67.880699636992
5 √n
29.200954521277
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21231722
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21231723 can be divided by 8 positive divisors.
The sum of these divisors (counting 21231723) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111111100001101011
3
Ternary
1110221200110010
4
Quaternary
1100333201223
5
Quinary
20413403343
6
Senary
2035023003
8
Octal
120774153
10
Decimal
21231723
12
Duodecimal
713aa63
16
Hexadecimal
143f86b
20
Vigesimal
6cdj63
36
Base36
cn2i3
md5
038fa7315b063d9caeca2a8df38246d6
sha1
8c0d049be156cd38fe59beb5333dc4b513efce9f
sha256
63dda9ffb0f6bd0371f3e7c7431f2865dff429ef8dbb162e971a06984e38d4df
sha512
afb841fcc128d3cf25d1ef17a3899403292ff124ef7688ba4d6004b2f76a065abed37601af2a12c37eb3e1f7fb137da27a0d69bde2d8a0849c07e1a1e9d21f8d
ripemd-160
1ba6494ea05b45230e45e7e0d0317b103cf2cf4c
Diameter
42463446
Circumference
133402849.99971
Area
1.4161861793022E+15
Volume
4.0090763567162E+22
Surface area
5.6647447172087E+15
Circumference
133402849.99971
Perimeter
84926892
Area
450786061548729
Diagonal
30026190.619149
Surface area
2704716369292374
Volume
9.5709647910636E+21
Space diagonal
36774422.968229
Perimeter
63695169
Area
1.9519609048657E+14
Altitude
18387211.484114
Surface area
1.9519609048657E+14
Volume
1.1279490177098E+21
Height
10008730.206383