21492545 is an odd 8-digits composite number following 21492544
and preceding 21492546 . In scientific notation, it is written as 2.1492545 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17194032 positive integers (up to 21492545) that are relatively prime to 21492545.
21492545 has 4 divisors, whose sum is 25791060
The reverse of 21492545 is 54529412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-two thousand five hundred forty-five
Scientific notation
2.1492545 × 10^7
Engineering notation
2.1492545 × 10^6
Prime Factorization
5 × 4298509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492545
Product of the distinct prime numbers
The prime factorization of 21492545 is 5 × 4298509.
Since it has a total of 2 prime factors.
6 , 6 , 16 , 93 , 856 , 26 , 8885 , 3284 , 29718 , 31281 , 445342 , 377324 , 8985022 , 3058923 , 97561255 , 73287883 , 777093924 , 62748535 , 8306883646 , 9922573667
n×2
42985090
n×3
64477635
n×4
85970180
n×5
107462725
n÷2
10746272.5
n÷3
7164181.6666667
n÷3
5373136.25
n÷5
4298509
n2
461929490577025
n3
9.9280403630538E+21
n4
2.1337885426475E+29
n5
4.5860546273336E+36
2 √n
4636.0052847252
3 √n
278.03274548287
4 √n
68.088216930136
5 √n
29.272348632753
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
-21492544
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 21492545 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492545) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111001101000001
3
Ternary
1111102221020012
4
Quaternary
1101333031001
5
Quinary
21000230140
6
Senary
2044354305
8
Octal
121771501
10
Decimal
21492545
12
Duodecimal
7245995
16
Hexadecimal
147f341
20
Vigesimal
6e6b75
36
Base36
csnr5
md5
fc00e447c6d560f17685485cb5d9e02b
sha1
e7b5ac99397f91fc1d685f219427bca4972c7907
sha256
83e7c4956b36f9fb98afc9472e6d98ec10dcba883971c9b152984597a6ba7a7c
sha512
054b79fc9193125b3881942bc100c7d9dae989fa5bb5b9bd1ffe72bb7ad0b98041fcbc2f5715cf89b649eef6875f45835cbc9201ce131cd8a86cf36f85b84fb7
ripemd-160
2eed3be2a3b3b4b42fa3a58eb0d2f02e169be66c
Diameter
42985090
Circumference
135041642.9579
Area
1.4511942940733E+15
Volume
4.1586478225484E+22
Surface area
5.804777176293E+15
Circumference
135041642.9579
Perimeter
85970180
Area
461929490577025
Diagonal
30395048.628914
Surface area
2771576943462150
Volume
9.9280403630538E+21
Space diagonal
37226179.92396
Perimeter
64477635
Area
2.0002133679845E+14
Altitude
18613089.96198
Surface area
2.0002133679845E+14
Volume
1.1700307774348E+21
Height
10131682.876305