20120445 is an odd 8-digits composite number following 20120444
and preceding 20120446 . In scientific notation, it is written as 2.0120445 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 10599648 positive integers (up to 20120445) that are relatively prime to 20120445.
20120445 has 16 divisors, whose sum is 27155520
The reverse of 20120445 is 54402102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand four hundred forty-five
Scientific notation
2.0120445 × 10^7
Engineering notation
2.0120445 × 10^6
Prime Factorization
5 × 9 × 83 × 5387
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20120445
Product of the distinct prime numbers
The prime factorization of 20120445 is 5 × 9 × 83 × 5387.
Since it has a total of 4 prime factors.
10 , 3 , 11 , 63 , 807 , 938 , 6549 , 7829 , 90024 , 72705 , 761627 , 133378 , 3552630 , 1043418 , 44010107 , 73344049 , 295298990 , 601565991 , 4480789647 , 3311479166
n×2
40240890
n×3
60361335
n×4
80481780
n×5
100602225
n÷2
10060222.5
n÷3
6706815
n÷3
5030111.25
n÷5
4024089
n2
404832306998025
n3
8.1454061671769E+21
n4
1.6388919678934E+29
n5
3.2975235700942E+36
2 √n
4485.5819020502
3 √n
271.98556818613
4 √n
66.974486948764
5 √n
28.888667900428
1 , 5 , 9 , 45 , 83 , 415 , 747 , 3735 , 5387 , 26935 , 48483 , 242415 , 447121 , 2235605 , 4024089 , 20120445
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
-20120444
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 20120445 can be divided by 16 positive divisors.
The sum of these divisors (counting 20120445) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000001101111101
3
Ternary
1101212020001200
4
Quaternary
1030300031331
5
Quinary
20122323240
6
Senary
1555130113
8
Octal
114601575
10
Decimal
20120445
12
Duodecimal
68a3939
16
Hexadecimal
133037d
20
Vigesimal
65f125
36
Base36
bz919
md5
c1cfe2f9682a54c055e74770e0c2bad8
sha1
e0a44e599eb57caf189b83a68fe9fd1f5d0da9fa
sha256
9269e51ef0ee399edeb14cefa1a8e08c06c19b7cd56ae30647fc3236a03e920c
sha512
d7db2c71d772401423a347e51718ff7aaab83cfb4b84c3fa5199fb03726bb7814c06ca80379eb82b99de3eb79fa674f5694d6ec53f8c02ae36952884773e3ddc
ripemd-160
6782bd29f3e9b75a2b065ed02fc9412fa05eda18
Diameter
40240890
Circumference
126420484.39791
Area
1.2718182016008E+15
Volume
3.4119397567077E+22
Surface area
5.0872728064032E+15
Circumference
126420484.39791
Perimeter
80481780
Area
404832306998025
Diagonal
28454606.199982
Surface area
2428993841988150
Volume
8.1454061671769E+21
Space diagonal
34849633.010895
Perimeter
60361335
Area
1.7529753106648E+14
Altitude
17424816.505448
Surface area
1.7529753106648E+14
Volume
9.5994532272158E+20
Height
9484868.7333273