20961609 is an odd 8-digits composite number following 20961608
and preceding 20961610 . In scientific notation, it is written as 2.0961609 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13974404 positive integers (up to 20961609) that are relatively prime to 20961609.
20961609 has 4 divisors, whose sum is 27948816
The reverse of 20961609 is 90616902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred sixty-one thousand six hundred nine
Scientific notation
2.0961609 × 10^7
Engineering notation
2.0961609 × 10^6
Prime Factorization
3 × 6987203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20961609
Product of the distinct prime numbers
The prime factorization of 20961609 is 3 × 6987203.
Since it has a total of 2 prime factors.
4 , 1 , 87 , 55 , 504 , 152 , 4732 , 8507 , 16249 , 88657 , 31770 , 519009 , 8146815 , 6158093 , 13056799 , 71821164 , 785862624 , 836551017 , 9741808525 , 2745681233
n×2
41923218
n×3
62884827
n×4
83846436
n×5
104808045
n÷2
10480804.5
n÷3
6987203
n÷3
5240402.25
n÷5
4192321.8
n2
439389051868881
n3
9.2103015041562E+21
n4
1.9306273890223E+29
n5
4.0469056453377E+36
2 √n
4578.38497726
3 √n
275.72419149841
4 √n
67.663764137535
5 √n
29.126273491139
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20961608
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20961609 can be divided by 4 positive divisors.
The sum of these divisors (counting 20961609) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111111101100101001001
3
Ternary
1110102221220220
4
Quaternary
1033331211021
5
Quinary
20331232414
6
Senary
2025140253
8
Octal
117754511
10
Decimal
20961609
12
Duodecimal
702a689
16
Hexadecimal
13fd949
20
Vigesimal
6b0409
36
Base36
cha2x
md5
fabd99948e310420f04dfb34b7abe7b9
sha1
89b463b94bf98f6b4c5c9cccd39f0ba7fd409eea
sha256
c495b8a164a3a8666016e529909a0cdaa326b9381a96be346262d0ad08729b3b
sha512
db48bb488c2031c65ab7baaa5b2f0f1d34cf2c28e7821bae3575bd69bbdc0c052a6ed6218d3587fe2263d82bc1bf136ccc3640ffc756ff9b5e1d8bba35913ecd
ripemd-160
e13290dcf0f5efbf59ac14e85a3ad67a2aba92f6
Diameter
41923218
Circumference
131705673.68364
Area
1.3803814174191E+15
Volume
3.8580020723739E+22
Surface area
5.5215256696762E+15
Circumference
131705673.68364
Perimeter
83846436
Area
439389051868881
Diagonal
29644191.736962
Surface area
2636334311213286
Volume
9.2103015041562E+21
Space diagonal
36306571.796393
Perimeter
62884827
Area
1.902610405316E+14
Altitude
18153285.898197
Surface area
1.902610405316E+14
Volume
1.0854444417269E+21
Height
9881397.245654