21371609 is an odd 8-digits composite number following 21371608
and preceding 21371610 . In scientific notation, it is written as 2.1371609 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 18257760 positive integers (up to 21371609) that are relatively prime to 21371609.
21371609 has 8 divisors, whose sum is 24505728
The reverse of 21371609 is 90617312
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred seventy-one thousand six hundred nine
Scientific notation
2.1371609 × 10^7
Engineering notation
2.1371609 × 10^6
Prime Factorization
7 × 311 × 9817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21371609
Product of the distinct prime numbers
The prime factorization of 21371609 is 7 × 311 × 9817.
Since it has a total of 3 prime factors.
10 , 4 , 79 , 12 , 926 , 789 , 584 , 6640 , 80897 , 80900 , 934646 , 598819 , 197793 , 1815164 , 97946063 , 80810190 , 322285412 , 399740051 , 3327944562 , 2584870351
n×2
42743218
n×3
64114827
n×4
85486436
n×5
106858045
n÷2
10685804.5
n÷3
7123869.6666667
n÷3
5342902.25
n÷5
4274321.8
n2
456745671248881
n3
9.7613898983736E+21
n4
2.0861660820459E+29
n5
4.4584725814547E+36
2 √n
4622.9437591215
3 √n
277.51027854686
4 √n
67.992233079385
5 √n
29.239331829887
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
-21371608
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 21371609 can be divided by 8 positive divisors.
The sum of these divisors (counting 21371609) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100001101011011001
3
Ternary
1111012210100002
4
Quaternary
1101201223121
5
Quinary
20432342414
6
Senary
2042022345
8
Octal
121415331
10
Decimal
21371609
12
Duodecimal
71a79b5
16
Hexadecimal
1461ad9
20
Vigesimal
6db909
36
Base36
cq2ft
md5
f4f1fbc3c25c8f10bc95f3725bff7ace
sha1
66e3145a20793d40bb3a872c1a6175d2f72fe1a8
sha256
84b13247a31f93c7c94518116bd51c1a1bd78ff46ae874ac990808eaccf9a8b7
sha512
fa1161c16d867996da6ed3552b71b26b870f0aa5852d923884af352e44fc10035d91e380ccbe10b7b37e0a85291aac24263fbc172cd5af11c89112a6f4985399
ripemd-160
009473660f34281cb90ed5fd3ba46db5c07ff483
Diameter
42743218
Circumference
134281779.65959
Area
1.4349088453544E+15
Volume
4.0888414391408E+22
Surface area
5.7396353814177E+15
Circumference
134281779.65959
Perimeter
85486436
Area
456745671248881
Diagonal
30224019.297535
Surface area
2740474027493286
Volume
9.7613898983736E+21
Space diagonal
37016712.627496
Perimeter
64114827
Area
1.9777667718505E+14
Altitude
18508356.313748
Surface area
1.9777667718505E+14
Volume
1.1503908318243E+21
Height
10074673.099178