21231497 is an odd 8-digits composite number following 21231496
and preceding 21231498 . In scientific notation, it is written as 2.1231497 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 17611200 positive integers (up to 21231497) that are relatively prime to 21231497.
21231497 has 8 divisors, whose sum is 25047552
The reverse of 21231497 is 79413212
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred thirty-one thousand four hundred ninety-seven
Scientific notation
2.1231497 × 10^7
Engineering notation
2.1231497 × 10^6
Prime Factorization
31 × 7 × 97841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21231497
Product of the distinct prime numbers
The prime factorization of 21231497 is 31 × 7 × 97841.
Since it has a total of 3 prime factors.
8 , 5 , 79 , 1 , 193 , 563 , 1459 , 2233 , 33632 , 36174 , 341643 , 990594 , 8614033 , 5942212 , 58917143 , 6710703 , 69790773 , 223659976 , 4161135090 , 4988432241
n×2
42462994
n×3
63694491
n×4
84925988
n×5
106157485
n÷2
10615748.5
n÷3
7077165.6666667
n÷3
5307874.25
n÷5
4246299.4
n2
450776464861009
n3
9.5706591613671E+21
n4
2.0319942127259E+29
n5
4.3142279031507E+36
2 √n
4607.7648594519
3 √n
276.9024971035
4 √n
67.880518998104
5 √n
29.200892355396
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
-21231496
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 21231497 can be divided by 8 positive divisors.
The sum of these divisors (counting 21231497) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111111011110001001
3
Ternary
1110221200010202
4
Quaternary
1100333132021
5
Quinary
20413401442
6
Senary
2035021545
8
Octal
120773611
10
Decimal
21231497
12
Duodecimal
713a8b5
16
Hexadecimal
143f789
20
Vigesimal
6cdieh
36
Base36
cn2bt
md5
8f8e4cc92426eec6c352446c2c1fe9aa
sha1
0cbcc941ff5a39a11b8b4505e697f02f796392a6
sha256
445939a1c96bc9fcf4267e059135a64ffd467542e1dc84de3c75104e82115767
sha512
cbd5d47ad62859511e92fb9e23c2eb99528e398b8be4ea2630392d66ee2d555c647531611c4da34a2d07097153409d41bd394196aa781683299067bce808f4a7
ripemd-160
abe6f4c494419f1469f895a139a9fbe7ee9ee3f4
Diameter
42462994
Circumference
133401429.99983
Area
1.4161560304185E+15
Volume
4.0089483348484E+22
Surface area
5.6646241216741E+15
Circumference
133401429.99983
Perimeter
84925988
Area
450776464861009
Diagonal
30025871.006884
Surface area
2704658789166054
Volume
9.5706591613671E+21
Space diagonal
36774031.524746
Perimeter
63694491
Area
1.9519193499889E+14
Altitude
18387015.762373
Surface area
1.9519193499889E+14
Volume
1.1279129989046E+21
Height
10008623.668961