21494469 is an odd 8-digits composite number following 21494468
and preceding 21494470 . In scientific notation, it is written as 2.1494469 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 14127680 positive integers (up to 21494469) that are relatively prime to 21494469.
21494469 has 8 divisors, whose sum is 29063232
The reverse of 21494469 is 96449412
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand four hundred sixty-nine
Scientific notation
2.1494469 × 10^7
Engineering notation
2.1494469 × 10^6
Prime Factorization
3 × 71 × 100913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494469
Product of the distinct prime numbers
The prime factorization of 21494469 is 3 × 71 × 100913.
Since it has a total of 3 prime factors.
6 , 3 , 20 , 49 , 186 , 252 , 474 , 7043 , 29644 , 40602 , 945564 , 645089 , 8727965 , 2376611 , 6653087 , 46350768 , 826947452 , 892344604 , 8954404863 , 7374284726
n×2
42988938
n×3
64483407
n×4
85977876
n×5
107472345
n÷2
10747234.5
n÷3
7164823
n÷3
5373617.25
n÷5
4298893.8
n2
462012197591961
n3
9.9307068587623E+21
n4
2.1345527072375E+29
n5
4.5881076994583E+36
2 √n
4636.212786316
3 √n
278.04104167799
4 √n
68.089740683278
5 √n
29.272872702678
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494468
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494469 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494469) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111101011000101
3
Ternary
1111110000212110
4
Quaternary
1101333223011
5
Quinary
21000310334
6
Senary
2044411233
8
Octal
121775305
10
Decimal
21494469
12
Duodecimal
7246b19
16
Hexadecimal
147fac5
20
Vigesimal
6e6g39
36
Base36
csp8l
md5
35a2efbf1b39f23acb421ecb92133f8b
sha1
404a62e5126a4a12348c007c57876f0938795c7a
sha256
9507502befae57799ed9c463a9e6ef794b841ad21be411a72b727636a6274ad0
sha512
680ebb5ce8bb6925c345c61a48a6e27b7df2be6cf8929b3a6a1baee57394b21af3df682266d4c61c3787eba4ac661c7b246b6ae90cb097ca13e8b9943dfb6632
ripemd-160
71bd250a98eb4c4862bb128944ab8d6cacccdd65
Diameter
42988938
Circumference
135053731.80643
Area
1.4514541258238E+15
Volume
4.1597647616588E+22
Surface area
5.8058165032951E+15
Circumference
135053731.80643
Perimeter
85977876
Area
462012197591961
Diagonal
30397769.575808
Surface area
2772073185551766
Volume
9.9307068587623E+21
Space diagonal
37229512.389714
Perimeter
64483407
Area
2.0005714998646E+14
Altitude
18614756.194857
Surface area
2.0005714998646E+14
Volume
1.1703450269678E+21
Height
10132589.858603