20736561 is an odd 8-digits composite number following 20736560
and preceding 20736562 . In scientific notation, it is written as 2.0736561 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13824372 positive integers (up to 20736561) that are relatively prime to 20736561.
20736561 has 4 divisors, whose sum is 27648752
The reverse of 20736561 is 16563702
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty-six thousand five hundred sixty-one
Scientific notation
2.0736561 × 10^7
Engineering notation
2.0736561 × 10^6
Prime Factorization
3 × 6912187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20736561
Product of the distinct prime numbers
The prime factorization of 20736561 is 3 × 6912187.
Since it has a total of 2 prime factors.
9 , 1 , 57 , 77 , 855 , 505 , 1309 , 8564 , 2514 , 27700 , 410629 , 414583 , 3789175 , 6218040 , 49235187 , 85902673 , 458409277 , 464972165 , 7428660624 , 7949801292
n×2
41473122
n×3
62209683
n×4
82946244
n×5
103682805
n÷2
10368280.5
n÷3
6912187
n÷3
5184140.25
n÷5
4147312.2
n2
430004962106721
n3
8.9168241270287E+21
n4
1.849042674364E+29
n5
3.8342786208553E+36
2 √n
4553.7414287594
3 √n
274.73389575485
4 √n
67.481415432395
5 √n
29.063462074352
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
-20736560
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 20736561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20736561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000110101000110001
3
Ternary
1110000112012210
4
Quaternary
1033012220301
5
Quinary
20302032221
6
Senary
2020242333
8
Octal
117065061
10
Decimal
20736561
12
Duodecimal
6b403a9
16
Hexadecimal
13c6a31
20
Vigesimal
69c181
36
Base36
ccgfl
md5
1ce26b0aa9ce5e73a1129f32c824e808
sha1
a168173d07737fc7d97a4f61fa2503f133b5af98
sha256
421fa9aac1cd38eb048bcf0949ca45c57deb8688e91648deed13e9b668ec84ac
sha512
2a0460c03cef0f841a04b6b494fc717a3c3b000e16e6e40fe7645af3ce7b35663e8ea8e2309b95438116e36f275fbb5bf9edda9735292c26d4e7938d99d06696
ripemd-160
6bb0dda35872f5501f31dbe0b1fe1569d3b24499
Diameter
41473122
Circumference
130291655.39663
Area
1.3509004299616E+15
Volume
3.7350705561101E+22
Surface area
5.4036017198465E+15
Circumference
130291655.39663
Perimeter
82946244
Area
430004962106721
Diagonal
29325925.803177
Surface area
2580029772640326
Volume
8.9168241270287E+21
Space diagonal
35916777.226251
Perimeter
62209683
Area
1.8619761046889E+14
Altitude
17958388.613126
Surface area
1.8619761046889E+14
Volume
1.050857801145E+21
Height
9775308.601059