21474909 is an odd 8-digits composite number following 21474908
and preceding 21474910 . In scientific notation, it is written as 2.1474909 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13854240 positive integers (up to 21474909) that are relatively prime to 21474909.
21474909 has 16 divisors, whose sum is 32842240
The reverse of 21474909 is 90947412
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred seventy-four thousand nine hundred nine
Scientific notation
2.1474909 × 10^7
Engineering notation
2.1474909 × 10^6
Prime Factorization
3 × 9 × 31 × 25657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21474909
Product of the distinct prime numbers
The prime factorization of 21474909 is 3 × 9 × 31 × 25657.
Since it has a total of 4 prime factors.
6 , 10 , 14 , 86 , 33 , 349 , 6109 , 1565 , 33371 , 45092 , 71105 , 737750 , 3275406 , 9252592 , 32242880 , 73316019 , 261353493 , 15908947 , 2462083290 , 4146645125
n×2
42949818
n×3
64424727
n×4
85899636
n×5
107374545
n÷2
10737454.5
n÷3
7158303
n÷3
5368727.25
n÷5
4294981.8
n2
461171716558281
n3
9.9036206464629E+21
n4
2.1267935215331E+29
n5
4.5672697336713E+36
2 √n
4634.1028257906
3 √n
277.95667682292
4 √n
68.074244952042
5 √n
29.267543090465
1 , 3 , 9 , 27 , 31 , 93 , 279 , 837 , 25657 , 76971 , 230913 , 692739 , 795367 , 2386101 , 7158303 , 21474909
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
-21474908
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 21474909 can be divided by 16 positive divisors.
The sum of these divisors (counting 21474909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111010111001011101
3
Ternary
1111102001001000
4
Quaternary
1101322321131
5
Quinary
20444144114
6
Senary
2044140513
8
Octal
121727135
10
Decimal
21474909
12
Duodecimal
7237739
16
Hexadecimal
147ae5d
20
Vigesimal
6e4759
36
Base36
csa59
md5
6294439a23c913bfcf0d983c59eb6e09
sha1
3f7b85c2d44723b1dc6023d5cd0208aa64c20f43
sha256
3b1d6d3e421b8d0776be71f1d851d96d75dddf8f6987719c0fdc6f65acb8ad67
sha512
74cabe69279a0b366193600286b2559f38758e97cfe14cfa2d42fc07dd7f546b5696dd1f0e1ed924e1cbe9ecce4f965e0c5e5f0cb5af367e6fb23677d880ee0d
ripemd-160
97b974debe51587bdb7d3b8f9b7edd414d511d51
Diameter
42949818
Circumference
134930832.70182
Area
1.4488136767829E+15
Volume
4.1484189155824E+22
Surface area
5.7952547071316E+15
Circumference
134930832.70182
Perimeter
85899636
Area
461171716558281
Diagonal
30370107.558528
Surface area
2767030299349686
Volume
9.9036206464629E+21
Space diagonal
37195633.475918
Perimeter
64424727
Area
1.9969321102317E+14
Altitude
18597816.737959
Surface area
1.9969321102317E+14
Volume
1.1671528862355E+21
Height
10123369.186176