20047545 is an odd 8-digits composite number following 20047544
and preceding 20047546 . In scientific notation, it is written as 2.0047545 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 8864640 positive integers (up to 20047545) that are relatively prime to 20047545.
20047545 has 16 divisors, whose sum is 25239552
The reverse of 20047545 is 54574002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million forty-seven thousand five hundred forty-five
Scientific notation
2.0047545 × 10^7
Engineering notation
2.0047545 × 10^6
Prime Factorization
5 × 63 × 31 × 2053
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20047545
Product of the distinct prime numbers
The prime factorization of 20047545 is 5 × 63 × 31 × 2053.
Since it has a total of 4 prime factors.
8 , 7 , 1 , 38 , 829 , 549 , 561 , 1525 , 43589 , 49461 , 837095 , 241910 , 1290136 , 6822522 , 60062797 , 75955951 , 240004674 , 529974689 , 9246983283 , 6707454528
n×2
40095090
n×3
60142635
n×4
80190180
n×5
100237725
n÷2
10023772.5
n÷3
6682515
n÷3
5011886.25
n÷5
4009509
n2
401904060527025
n3
8.0571897390983E+21
n4
1.6152687386811E+29
n5
3.2382172725803E+36
2 √n
4477.448492166
3 √n
271.65668641536
4 √n
66.913739188346
5 √n
28.867703725077
1 , 5 , 31 , 63 , 155 , 315 , 1953 , 2053 , 9765 , 10265 , 63643 , 129339 , 318215 , 646695 , 4009509 , 20047545
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20047544
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20047545 can be divided by 16 positive divisors.
The sum of these divisors (counting 20047545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011110011010111001
3
Ternary
1101201112001200
4
Quaternary
1030132122321
5
Quinary
20113010140
6
Senary
1553404413
8
Octal
114363271
10
Decimal
20047545
12
Duodecimal
6869709
16
Hexadecimal
131e6b9
20
Vigesimal
655ih5
36
Base36
bxos9
md5
2f25b529ee43a26f10b1c2b9e2ecd124
sha1
b99d92333740aa30a1f69e09ff94f4aa24aef559
sha256
ddae1c71efeec96b8790d85d472da7f0d618df004cfe10077ef55ade127dfa5b
sha512
75d874d5c5ed8055986e091887fabf903b7e97fc615076732de708cdf64f59a5f54ef33776875342939229ee55e27f881d99078b403dd1393b176aced8e8c3ce
ripemd-160
7d86c11386a7c8d50945d57887cf4b6efd135f81
Diameter
40095090
Circumference
125962440.18902
Area
1.2626188439996E+15
Volume
3.374987745724E+22
Surface area
5.0504753759984E+15
Circumference
125962440.18902
Perimeter
80190180
Area
401904060527025
Diagonal
28351510.031285
Surface area
2411424363162150
Volume
8.0571897390983E+21
Space diagonal
34723366.507023
Perimeter
60142635
Area
1.7402956315026E+14
Altitude
17361683.253512
Surface area
1.7402956315026E+14
Volume
9.4954891697051E+20
Height
9450503.3437616