21249256 is an even 8-digits composite number following 21249255
and preceding 21249257 . In scientific notation, it is written as 2.1249256 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 9106800 positive integers (up to 21249256) that are relatively prime to 21249256.
21249256 has 16 divisors, whose sum is 45534240
The reverse of 21249256 is 65294212
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred forty-nine thousand two hundred fifty-six
Scientific notation
2.1249256 × 10^7
Engineering notation
2.1249256 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 379451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5312314
Product of the distinct prime numbers
The prime factorization of 21249256 is 2 × 2 × 2 × 7 × 379451.
Since it has a total of 5 prime factors.
8 , 8 , 68 , 15 , 441 , 74 , 7041 , 2854 , 81714 , 47343 , 54043 , 69808 , 9681089 , 1527158 , 54562664 , 98431880 , 783715939 , 905561322 , 7394295278 , 9301921344
n×2
42498512
n×3
63747768
n×4
84997024
n×5
106246280
n÷2
10624628
n÷3
7083085.3333333
n÷3
5312314
n÷5
4249851.2
n2
451530880553536
n3
9.5946952727875E+21
n4
2.0388013609345E+29
n5
4.3323012051646E+36
2 √n
4609.6915298098
3 √n
276.97968024647
4 √n
67.894709144452
5 √n
29.20577571552
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 379451 , 758902 , 1517804 , 2656157 , 3035608 , 5312314 , 10624628 , 21249256
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21249255
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21249256 can be divided by 16 positive divisors.
The sum of these divisors (counting 21249256) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000011110011101000
3
Ternary
1110222120111111
4
Quaternary
1101003303220
5
Quinary
20414434011
6
Senary
2035240104
8
Octal
121036350
10
Decimal
21249256
12
Duodecimal
7149034
16
Hexadecimal
1443ce8
20
Vigesimal
6cg32g
36
Base36
cng14
md5
95001d228f85f0be610b2b33fda83ee5
sha1
fd71875b77a79f2ee101459077543c90e3c72d24
sha256
92bd2bad3107207e432c13dbe453dac58d6c8d324c6f904ef4dbd35e2f8aeedf
sha512
0b1d9dffff1f220ac700da986be186c236ba92158cc69bf8138228e22f924b8dbd6b3d0bf46d8a7e7c7b89a696d6927f021d087e036ddfbeb1cd2f087006402e
ripemd-160
2b352fb70df63be297f7d65a16507784831c273c
Diameter
42498512
Circumference
133513013.0877
Area
1.4185260972159E+15
Volume
4.0190165576563E+22
Surface area
5.6741043888637E+15
Circumference
133513013.0877
Perimeter
84997024
Area
451530880553536
Diagonal
30050986.025538
Surface area
2709185283321216
Volume
9.5946952727875E+21
Space diagonal
36804791.015038
Perimeter
63747768
Area
1.9551860657626E+14
Altitude
18402395.507519
Surface area
1.9551860657626E+14
Volume
1.1307456818011E+21
Height
10016995.341846