21461609 is an odd 8-digits composite number following 21461608
and preceding 21461610 . In scientific notation, it is written as 2.1461609 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 19779840 positive integers (up to 21461609) that are relatively prime to 21461609.
21461609 has 8 divisors, whose sum is 23148552
The reverse of 21461609 is 90616412
Previous prime number is 1361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred sixty-one thousand six hundred nine
Scientific notation
2.1461609 × 10^7
Engineering notation
2.1461609 × 10^6
Prime Factorization
13 × 1361 × 1213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21461609
Product of the distinct prime numbers
The prime factorization of 21461609 is 13 × 1361 × 1213.
Since it has a total of 3 prime factors.
1 , 5 , 89 , 54 , 824 , 755 , 2957 , 1124 , 48467 , 88209 , 601773 , 442451 , 6395990 , 8506419 , 64042527 , 66728073 , 427206692 , 308854546 , 8307570620 , 1809822415
n×2
42923218
n×3
64384827
n×4
85846436
n×5
107308045
n÷2
10730804.5
n÷3
7153869.6666667
n÷3
5365402.25
n÷5
4292321.8
n2
460600660868881
n3
9.8852312887095E+21
n4
2.1215296879285E+29
n5
4.5531440644213E+36
2 √n
4632.6675900608
3 √n
277.89928290885
4 √n
68.063702441616
5 √n
29.263916953653
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
-21461608
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 21461609 can be divided by 8 positive divisors.
The sum of these divisors (counting 21461609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110111101001101001
3
Ternary
1111101100210102
4
Quaternary
1101313221221
5
Quinary
20443232414
6
Senary
2043555145
8
Octal
121675151
10
Decimal
21461609
12
Duodecimal
722bab5
16
Hexadecimal
1477a69
20
Vigesimal
6e2e09
36
Base36
crzvt
md5
33065f699c12c47566b227f61f82ce26
sha1
f7d15b635d3e72ea45d92212fa50150be4a5dcf6
sha256
d083f56a631de44dd0a776ce48b2c5b5ad12b17e1b45a3dc7e84259df9e19b4a
sha512
080f3f513cc07daf84adcb5ad855c100927be05cfbca5bdb24e5916690e25ab969573d67be28ed33462383f9277fe5370b0039dc9517007be67310902cc4f4a0
ripemd-160
84c6c28036660d4285d0df0cdf7da1bf2f9b0637
Diameter
42923218
Circumference
134847266.33723
Area
1.4470196524243E+15
Volume
4.1407159994194E+22
Surface area
5.7880786096971E+15
Circumference
134847266.33723
Perimeter
85846436
Area
460600660868881
Diagonal
30351298.518148
Surface area
2763603965213286
Volume
9.8852312887095E+21
Space diagonal
37172597.200177
Perimeter
64384827
Area
1.9944593665618E+14
Altitude
18586298.600089
Surface area
1.9944593665618E+14
Volume
1.1649856796407E+21
Height
10117099.506049