21494715 is an odd 8-digits composite number following 21494714
and preceding 21494716 . In scientific notation, it is written as 2.1494715 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 9584640 positive integers (up to 21494715) that are relatively prime to 21494715.
21494715 has 16 divisors, whose sum is 25105248
The reverse of 21494715 is 51749412
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-four thousand seven hundred fifteen
Scientific notation
2.1494715 × 10^7
Engineering notation
2.1494715 × 10^6
Prime Factorization
1185 × 11 × 97 × 17
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494715
Product of the distinct prime numbers
The prime factorization of 21494715 is 1185 × 11 × 97 × 17.
Since it has a total of 4 prime factors.
7 , 9 , 30 , 34 , 43 , 613 , 1729 , 7736 , 93720 , 21199 , 165917 , 636486 , 5108115 , 6743899 , 5504332 , 22834984 , 515160629 , 274150014 , 8844946755 , 4969001710
n×2
42989430
n×3
64484145
n×4
85978860
n×5
107473575
n÷2
10747357.5
n÷3
7164905
n÷3
5373678.75
n÷5
4298943
n2
462022772931225
n3
9.9310478276664E+21
n4
2.1346504270706E+29
n5
4.588370255451E+36
2 √n
4636.2393165151
3 √n
278.04210238242
4 √n
68.089935500888
5 √n
29.272939706833
1 , 11 , 17 , 97 , 187 , 1067 , 1185 , 1649 , 13035 , 18139 , 20145 , 114945 , 221595 , 1264395 , 1954065 , 21494715
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
-21494714
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 21494715 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494715) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101110111011
3
Ternary
1111110001012120
4
Quaternary
1101333232323
5
Quinary
21000312330
6
Senary
2044412323
8
Octal
121775673
10
Decimal
21494715
12
Duodecimal
72470a3
16
Hexadecimal
147fbbb
20
Vigesimal
6e6gff
36
Base36
cspff
md5
3b2adb035f822ab80e562fdec3c4e3e5
sha1
29e9f1fda28e953a5af77878e109b7ea838a2856
sha256
ad356e02673b17e742e439f538981c7a1dc84b645b4b9fa9586c26cce0e5f5d3
sha512
755e4eebe6fab6cb8dddc62c8f87400be7c0c08167b70d642154ed92b5f7c8a5540418da5fed1c82b925dfbda2e0e2c663582bb92a83f27633d62f497e569595
ripemd-160
70a4c5f7bd771a4a32bf290f6aea5512ddd4632d
Diameter
42989430
Circumference
135055277.47001
Area
1.4514873492319E+15
Volume
4.1599075863794E+22
Surface area
5.8059493969277E+15
Circumference
135055277.47001
Perimeter
85978860
Area
462022772931225
Diagonal
30398117.472344
Surface area
2772136637587350
Volume
9.9310478276664E+21
Space diagonal
37229938.474213
Perimeter
64484145
Area
2.0006172924269E+14
Altitude
18614969.237106
Surface area
2.0006172924269E+14
Volume
1.1703852105385E+21
Height
10132705.824115