21243651 is an odd 8-digits composite number following 21243650
and preceding 21243652 . In scientific notation, it is written as 2.1243651 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 11362560 positive integers (up to 21243651) that are relatively prime to 21243651.
21243651 has 32 divisors, whose sum is 34739712
The reverse of 21243651 is 15634212
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred forty-three thousand six hundred fifty-one
Scientific notation
2.1243651 × 10^7
Engineering notation
2.1243651 × 10^6
Prime Factorization
3 × 23 × 13 × 11 × 2153
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21243651
Product of the distinct prime numbers
The prime factorization of 21243651 is 3 × 23 × 13 × 11 × 2153.
Since it has a total of 5 prime factors.
7 , 9 , 15 , 45 , 181 , 166 , 3036 , 8768 , 41416 , 88008 , 414709 , 164361 , 7021099 , 8719148 , 46957432 , 45881997 , 788941182 , 663646676 , 8619242133 , 3116513664
n×2
42487302
n×3
63730953
n×4
84974604
n×5
106218255
n÷2
10621825.5
n÷3
7081217
n÷3
5310912.75
n÷5
4248730.2
n2
451292707809801
n3
9.5871047835564E+21
n4
2.036651081223E+29
n5
4.3265904778275E+36
2 √n
4609.0835314626
3 √n
276.95532476428
4 √n
67.890231487767
5 √n
29.204234808419
1 , 3 , 11 , 13 , 23 , 33 , 39 , 69 , 143 , 253 , 299 , 429 , 759 , 897 , 2153 , 3289 , 6459 , 9867 , 23683 , 27989 , 49519 , 71049 , 83967 , 148557 , 307879 , 544709 , 643747 , 923637 , 1634127 , 1931241 , 7081217 , 21243651
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243650
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243651 can be divided by 32 positive divisors.
The sum of these divisors (counting 21243651) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000010011100000011
3
Ternary
1110222021210220
4
Quaternary
1101002130003
5
Quinary
20414244101
6
Senary
2035154123
8
Octal
121023403
10
Decimal
21243651
12
Duodecimal
7145943
16
Hexadecimal
1442703
20
Vigesimal
6cf92b
36
Base36
cnbpf
md5
95a90eb02e9c393732eef21af36a3196
sha1
077ce4dfc2d35586ca413d8de9db351e3e388367
sha256
fd36bd5d8771a4d7e52063d1c76588b2b4258fb10ef2698a2a5ebbdff8973506
sha512
1d74e83a8895076b5ff63dfeb1d633a2dbce43b25cbdc847064d511da194de23e256695d369c098cfe007e501b7584263d2ad958e4155c37668242665bbe84a5
ripemd-160
e192876626ae5a6ad9127dac91af1e3b17279e46
Diameter
42487302
Circumference
133477795.83405
Area
1.4177778554739E+15
Volume
4.0158370609622E+22
Surface area
5.6711114218957E+15
Circumference
133477795.83405
Perimeter
84974604
Area
451292707809801
Diagonal
30043059.358521
Surface area
2707756246858806
Volume
9.5871047835564E+21
Space diagonal
36795082.870261
Perimeter
63730953
Area
1.9541547475298E+14
Altitude
18397541.435131
Surface area
1.9541547475298E+14
Volume
1.1298511340665E+21
Height
10014353.119507