21031223 is an odd 8-digits composite number following 21031222
and preceding 21031224 . In scientific notation, it is written as 2.1031223 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 19929888 positive integers (up to 21031223) that are relatively prime to 21031223.
21031223 has 4 divisors, whose sum is 21042120
The reverse of 21031223 is 32213012
Previous prime number is 2507
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million thirty-one thousand two hundred twenty-three
Scientific notation
2.1031223 × 10^7
Engineering notation
2.1031223 × 10^6
Prime Factorization
2507 × 8389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031223
Product of the distinct prime numbers
The prime factorization of 21031223 is 2507 × 8389.
Since it has a total of 2 prime factors.
2 , 4 , 78 , 35 , 892 , 497 , 8757 , 2907 , 22093 , 43938 , 772710 , 446761 , 3057334 , 3016353 , 19433157 , 70338485 , 306479798 , 520735846 , 6999204147 , 5826261504
n×2
42062446
n×3
63093669
n×4
84124892
n×5
105156115
n÷2
10515611.5
n÷3
7010407.6666667
n÷3
5257805.75
n÷5
4206244.6
n2
442312340875729
n3
9.3023694766095E+21
n4
1.9564020689097E+29
n5
4.1145528188901E+36
2 √n
4585.981138208
3 √n
276.02908308667
4 √n
67.719872550146
5 √n
29.145593651907
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
-21031222
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 21031223 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031223) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110100100110111
3
Ternary
1110120111102012
4
Quaternary
1100032210313
5
Quinary
20340444343
6
Senary
2030434435
8
Octal
120164467
10
Decimal
21031223
12
Duodecimal
7062a1b
16
Hexadecimal
140e937
20
Vigesimal
6b8i13
36
Base36
cirsn
md5
716c1772976f09205befbc5f3dc08601
sha1
141b949422a1f440f171ab8903d74583504a1f9d
sha256
e85e4bc19a057352ce29a014c591a9ba4fba19e3086fc0122b876d11f1ed4ec3
sha512
3e1d37bed68cd93c7f678c8d8824369b1d8a2d43b55d0aef0d55524c8b2c8b72e080c5b4b4097f60a3addd079f415ad35fdba6cb8a207e6a0406798a716ccd46
ripemd-160
bd061d8d5ad57c9350199bf3c4cd410ff3c0781e
Diameter
42062446
Circumference
132143071.34562
Area
1.3895652006873E+15
Volume
3.8965674144926E+22
Surface area
5.5582608027492E+15
Circumference
132143071.34562
Perimeter
84124892
Area
442312340875729
Diagonal
29742640.799893
Surface area
2653874045254374
Volume
9.3023694766095E+21
Space diagonal
36427146.781311
Perimeter
63093669
Area
1.9152686180287E+14
Altitude
18213573.390656
Surface area
1.9152686180287E+14
Volume
1.0962947563356E+21
Height
9914213.5999643