20472561 is an odd 8-digits composite number following 20472560
and preceding 20472562 . In scientific notation, it is written as 2.0472561 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13648356 positive integers (up to 20472561) that are relatively prime to 20472561.
20472561 has 8 divisors, whose sum is 30329760
The reverse of 20472561 is 16527402
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred seventy-two thousand five hundred sixty-one
Scientific notation
2.0472561 × 10^7
Engineering notation
2.0472561 × 10^6
Prime Factorization
3 × 9 × 758243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20472561
Product of the distinct prime numbers
The prime factorization of 20472561 is 3 × 9 × 758243.
Since it has a total of 3 prime factors.
8 , 6 , 72 , 78 , 47 , 888 , 8267 , 8540 , 35244 , 13999 , 267331 , 8638 , 8346120 , 6667187 , 37630101 , 65504244 , 28555302 , 939437987 , 6262335293 , 2570354295
n×2
40945122
n×3
61417683
n×4
81890244
n×5
102362805
n÷2
10236280.5
n÷3
6824187
n÷3
5118140.25
n÷5
4094512.2
n2
419125753898721
n3
8.5805775633626E+21
n4
1.7566639758117E+29
n5
3.5963410401308E+36
2 √n
4524.6614237974
3 √n
273.5630211257
4 √n
67.265603571197
5 √n
28.989080133258
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
-20472560
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 20472561 can be divided by 8 positive divisors.
The sum of these divisors (counting 20472561) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000110001011110001
3
Ternary
1102112010002000
4
Quaternary
1032012023301
5
Quinary
20220110221
6
Senary
2010444213
8
Octal
116061361
10
Decimal
20472561
12
Duodecimal
6a33669
16
Hexadecimal
13862f1
20
Vigesimal
67j181
36
Base36
c6sq9
md5
2bd943cf66c5fce0deffa3a8fe50709a
sha1
7413972c22076fb7b87744f94547f699fdd79b54
sha256
e55afe08965510f7b3dffab3ef1e6e2092949ebfa7fc233a8d413bf685efe2dd
sha512
7794d173852f9061b31fc1cac98d1542676a5c91e18b5d3aa2889b21eb325a5b8afafc9691214c89299347fd100392e46e36506eb32d1790750a1cbbecc04628
ripemd-160
1eda97bf26e600f9f63f41cab6152b8196da920f
Diameter
40945122
Circumference
128632894.47554
Area
1.3167223893785E+15
Volume
3.5942239248823E+22
Surface area
5.266889557514E+15
Circumference
128632894.47554
Perimeter
81890244
Area
419125753898721
Diagonal
28952573.42271
Surface area
2514754523392326
Volume
8.5805775633626E+21
Space diagonal
35459515.813053
Perimeter
61417683
Area
1.814867751283E+14
Altitude
17729757.906527
Surface area
1.814867751283E+14
Volume
1.0112307635918E+21
Height
9650857.8075702