21243497 is an odd 8-digits composite number following 21243496
and preceding 21243498 . In scientific notation, it is written as 2.1243497 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19312260 positive integers (up to 21243497) that are relatively prime to 21243497.
21243497 has 4 divisors, whose sum is 23174736
The reverse of 21243497 is 79434212
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred forty-three thousand four hundred ninety-seven
Scientific notation
2.1243497 × 10^7
Engineering notation
2.1243497 × 10^6
Prime Factorization
11 × 1931227
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21243497
Product of the distinct prime numbers
The prime factorization of 21243497 is 11 × 1931227.
Since it has a total of 2 prime factors.
2 , 9 , 29 , 66 , 16 , 259 , 3492 , 4946 , 80713 , 12824 , 430399 , 399368 , 3682334 , 2312746 , 91927658 , 11671943 , 460613675 , 404538349 , 4521301559 , 3149641263
n×2
42486994
n×3
63730491
n×4
84973988
n×5
106217485
n÷2
10621748.5
n÷3
7081165.6666667
n÷3
5310874.25
n÷5
4248699.4
n2
451286164789009
n3
9.5868962878368E+21
n4
2.0365920252997E+29
n5
4.3264336579679E+36
2 √n
4609.0668252912
3 √n
276.95465552554
4 √n
67.890108449547
5 √n
29.204192466684
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
-21243496
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 21243497 can be divided by 4 positive divisors.
The sum of these divisors (counting 21243497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001000010011001101001
3
Ternary
1110222021121012
4
Quaternary
1101002121221
5
Quinary
20414242442
6
Senary
2035153305
8
Octal
121023151
10
Decimal
21243497
12
Duodecimal
7145835
16
Hexadecimal
1442669
20
Vigesimal
6cf8eh
36
Base36
cnbl5
md5
9557e7cac132d4fe1ed11bbe5c93c3c2
sha1
7e1c5951be705d3f43f2cea4815d3eec077d1e56
sha256
4920f96713a231b2478b570090b00ec93a4567d32f645e340190a0f226030253
sha512
bc2f26f38c9a39a9bb870d0904feb0bdfc1096f1b8179ccf82111d236c55466008fbea3db2f4176a11f09702431c1ba2a33bb4501a1ed0d10cd0705740837ed9
ripemd-160
1c5b5185304a32f245c011f9685c37fc97b2a9e4
Diameter
42486994
Circumference
133476828.22351
Area
1.4177572999679E+15
Volume
4.0157497264794E+22
Surface area
5.6710291998715E+15
Circumference
133476828.22351
Perimeter
84973988
Area
451286164789009
Diagonal
30042841.569632
Surface area
2707716988734054
Volume
9.5868962878368E+21
Space diagonal
36794816.134437
Perimeter
63730491
Area
1.9541264154187E+14
Altitude
18397408.067219
Surface area
1.9541264154187E+14
Volume
1.1298265626103E+21
Height
10014280.523211