21494825 is an odd 8-digits composite number following 21494824
and preceding 21494826 . In scientific notation, it is written as 2.1494825 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 15632400 positive integers (up to 21494825) that are relatively prime to 21494825.
21494825 has 12 divisors, whose sum is 29077008
The reverse of 21494825 is 52849412
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-four thousand eight hundred twenty-five
Scientific notation
2.1494825 × 10^7
Engineering notation
2.1494825 × 10^6
Prime Factorization
5 × 5 × 11 × 78163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4298965
Product of the distinct prime numbers
The prime factorization of 21494825 is 5 × 5 × 11 × 78163.
Since it has a total of 4 prime factors.
6 , 2 , 59 , 74 , 248 , 79 , 419 , 3310 , 12057 , 99091 , 840880 , 70575 , 4644396 , 2605221 , 42962359 , 66829535 , 799418134 , 209695285 , 6264342501 , 4034939721
n×2
42989650
n×3
64484475
n×4
85979300
n×5
107474125
n÷2
10747412.5
n÷3
7164941.6666667
n÷3
5373706.25
n÷5
4298965
n2
462027501780625
n3
9.9312002959617E+21
n4
2.1346941240165E+29
n5
4.5884876624262E+36
2 √n
4636.2511795631
3 √n
278.04257667853
4 √n
68.090022613912
5 √n
29.272969667843
1 , 5 , 11 , 25 , 55 , 275 , 78163 , 390815 , 859793 , 1954075 , 4298965 , 21494825
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
-21494824
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 21494825 can be divided by 12 positive divisors.
The sum of these divisors (counting 21494825) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111110000101001
3
Ternary
1111110001100122
4
Quaternary
1101333300221
5
Quinary
21000313300
6
Senary
2044413025
8
Octal
121776051
10
Decimal
21494825
12
Duodecimal
7247175
16
Hexadecimal
147fc29
20
Vigesimal
6e6h15
36
Base36
cspih
md5
7095bb4593c597f0f5c66c8ddcedbaf9
sha1
d1cf9e94f44f6a37dd10a396ce91b8922d38e959
sha256
b8de96a954bf630678ece10360e3fc5ae18796b491bb6fa1c55949ce2e7cdb29
sha512
027e699fde3e257c4ccbc9636c85611dddc3c130f1d021a63a091afe47fc515b76e6296dc030ee5337f18320ee4ed63d7b9a391d87da6023b946d3c80ec97717
ripemd-160
ae76dd61cd87a6c40cc9d1fb8a84fa5b33c99506
Diameter
42989650
Circumference
135055968.6204
Area
1.4515022053505E+15
Volume
4.1599714521496E+22
Surface area
5.8060088214018E+15
Circumference
135055968.6204
Perimeter
85979300
Area
462027501780625
Diagonal
30398273.035836
Surface area
2772165010683750
Volume
9.9312002959617E+21
Space diagonal
37230128.999802
Perimeter
64484475
Area
2.0006377689454E+14
Altitude
18615064.499901
Surface area
2.0006377689454E+14
Volume
1.1704031790994E+21
Height
10132757.678612