21463845 is an odd 8-digits composite number following 21463844
and preceding 21463846 . In scientific notation, it is written as 2.1463845 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 10565568 positive integers (up to 21463845) that are relatively prime to 21463845.
21463845 has 12 divisors, whose sum is 24794304
The reverse of 21463845 is 54836412
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred sixty-three thousand eight hundred forty-five
Scientific notation
2.1463845 × 10^7
Engineering notation
2.1463845 × 10^6
Prime Factorization
15 × 13 × 13 × 8467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1651065
Product of the distinct prime numbers
The prime factorization of 21463845 is 15 × 13 × 13 × 8467.
Since it has a total of 4 prime factors.
2 , 4 , 37 , 6 , 323 , 63 , 4601 , 7343 , 66005 , 30637 , 576963 , 29906 , 8235411 , 5895082 , 73851266 , 58023862 , 870605749 , 341655362 , 2708596029 , 1366158263
n×2
42927690
n×3
64391535
n×4
85855380
n×5
107319225
n÷2
10731922.5
n÷3
7154615
n÷3
5365961.25
n÷5
4292769
n2
460696642184025
n3
9.8883213198584E+21
n4
2.1224139611964E+29
n5
4.5555164288955E+36
2 √n
4632.908913415
3 √n
277.90893364873
4 √n
68.06547519422
5 √n
29.264526706552
1 , 13 , 15 , 169 , 195 , 2535 , 8467 , 110071 , 127005 , 1430923 , 1651065 , 21463845
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21463844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21463845 can be divided by 12 positive divisors.
The sum of these divisors (counting 21463845) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111000001100100101
3
Ternary
1111101110212020
4
Quaternary
1101320030211
5
Quinary
20443320340
6
Senary
2044013353
8
Octal
121701445
10
Decimal
21463845
12
Duodecimal
7231259
16
Hexadecimal
1478325
20
Vigesimal
6e2jc5
36
Base36
cs1lx
md5
7040cd62020db655ca02fbce0012d73a
sha1
92e64f328d261f44098beb0b514f4436a0c90acb
sha256
523b5ec77924510b2524a85b97d170d8af172d16f66dd87900e75591b74b2943
sha512
47ac5b13a0d030827a54891565d2b6dcefd22dc7be62650ff2c449f2e96d8c6e156d33b7f5e41f027ebe4ae6b27ac4eca12e9da568258692ddb1f2bf63229226
ripemd-160
d75bb3a542ee5d4bc87d4ca452b85aaea61e5c92
Diameter
42927690
Circumference
134861315.53958
Area
1.4473211866188E+15
Volume
4.1420103486403E+22
Surface area
5.7892847464753E+15
Circumference
134861315.53958
Perimeter
85855380
Area
460696642184025
Diagonal
30354460.699674
Surface area
2764179853104150
Volume
9.8883213198584E+21
Space diagonal
37176470.065783
Perimeter
64391535
Area
1.9948749778478E+14
Altitude
18588235.032892
Surface area
1.9948749778478E+14
Volume
1.1653498433039E+21
Height
10118153.566558