20561312 is an even 8-digits composite number following 20561311
and preceding 20561313 . In scientific notation, it is written as 2.0561312 × 10^7.
The sum of its digits is 20. It has a total of 7 prime factors and 24 positive divisors.
There are 10238400 positive integers (up to 20561312) that are relatively prime to 20561312.
20561312 has 24 divisors, whose sum is 40646592
The reverse of 20561312 is 21316502
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred sixty-one thousand three hundred twelve
Scientific notation
2.0561312 × 10^7
Engineering notation
2.0561312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 271 × 2371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1285082
Product of the distinct prime numbers
The prime factorization of 20561312 is 2 × 2 × 2 × 2 × 2 × 271 × 2371.
Since it has a total of 7 prime factors.
2 , 7 , 20 , 55 , 506 , 333 , 7002 , 6069 , 88237 , 38867 , 105953 , 147858 , 9846247 , 7891371 , 90747645 , 63683373 , 869012177 , 546795752 , 2638643143 , 8919945757
n×2
41122624
n×3
61683936
n×4
82245248
n×5
102806560
n÷2
10280656
n÷3
6853770.6666667
n÷3
5140328
n÷5
4112262.4
n2
422767551161344
n3
8.6926555229044E+21
n4
1.7873240231496E+29
n5
3.6749726885074E+36
2 √n
4534.4582917919
3 √n
273.95776072912
4 √n
67.33838646561
5 √n
29.014170888096
1 , 2 , 4 , 8 , 16 , 32 , 271 , 542 , 1084 , 2168 , 2371 , 4336 , 4742 , 8672 , 9484 , 18968 , 37936 , 75872 , 642541 , 1285082 , 2570164 , 5140328 , 10280656 , 20561312
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20561311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20561312 can be divided by 24 positive divisors.
The sum of these divisors (counting 20561312) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110011011110110100000
3
Ternary
1102200121211002
4
Quaternary
1032123312200
5
Quinary
20230430222
6
Senary
2012411132
8
Octal
116336640
10
Decimal
20561312
12
Duodecimal
6a76aa8
16
Hexadecimal
139bda0
20
Vigesimal
68a35c
36
Base36
c8p7k
md5
c16c5ecc8eab9123ac3fa89ea9e7903b
sha1
425c1b5b67af2becbe1c4f0de16eab9aa012a407
sha256
25906fc2c46c9e958ea6dcb47b8623cbb88a3e115abfd753a1032ebe09007f97
sha512
90eb492356f1516ab8c133160df5f5be2962f08cdcd9dee85ea9581a4a4a29424a854085b7dacbaecafc201478573ac5ea67010879c9729d2d650803ada50aaa
ripemd-160
bd0d1723fd471fb31dd30fd146fede62c3855caf
Diameter
41122624
Circumference
129190533.45474
Area
1.3281634329046E+15
Volume
3.6411710307924E+22
Surface area
5.3126537316185E+15
Circumference
129190533.45474
Perimeter
82245248
Area
422767551161344
Diagonal
29078086.290585
Surface area
2536605306968064
Volume
8.6926555229044E+21
Space diagonal
35613237.054276
Perimeter
61683936
Area
1.8306371960073E+14
Altitude
17806618.527138
Surface area
1.8306371960073E+14
Volume
1.0244392777941E+21
Height
9692695.4301949