20079945 is an odd 8-digits composite number following 20079944
and preceding 20079946 . In scientific notation, it is written as 2.0079945 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 10709280 positive integers (up to 20079945) that are relatively prime to 20079945.
20079945 has 12 divisors, whose sum is 34805316
The reverse of 20079945 is 54997002
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seventy-nine thousand nine hundred forty-five
Scientific notation
2.0079945 × 10^7
Engineering notation
2.0079945 × 10^6
Prime Factorization
3 × 3 × 5 × 446221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6693315
Product of the distinct prime numbers
The prime factorization of 20079945 is 3 × 3 × 5 × 446221.
Since it has a total of 4 prime factors.
6 , 6 , 76 , 54 , 673 , 868 , 493 , 2542 , 75894 , 73112 , 955909 , 260092 , 6489308 , 2188583 , 89377948 , 83489141 , 623724558 , 119734127 , 6479759873 , 1517220373
n×2
40159890
n×3
60239835
n×4
80319780
n×5
100399725
n÷2
10039972.5
n÷3
6693315
n÷3
5019986.25
n÷5
4015989
n2
403204191203025
n3
8.0963179831262E+21
n4
1.6257361980369E+29
n5
3.2644693441089E+36
2 √n
4481.0651635521
3 √n
271.80295435423
4 √n
66.940758612015
5 √n
28.877028652798
1 , 3 , 5 , 9 , 15 , 45 , 446221 , 1338663 , 2231105 , 4015989 , 6693315 , 20079945
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20079944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20079945 can be divided by 12 positive divisors.
The sum of these divisors (counting 20079945) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110010101001001
3
Ternary
1101210011111200
4
Quaternary
1030212111021
5
Quinary
20120024240
6
Senary
1554214413
8
Octal
114462511
10
Decimal
20079945
12
Duodecimal
6884409
16
Hexadecimal
1326549
20
Vigesimal
659jh5
36
Base36
byds9
md5
9efb81faab0a401674c02a6e5d05154f
sha1
149a65f97abe985277c68b13837da9d611117b55
sha256
55caf3f2b8c244043ee31c84e92ba57c71a55f81759dad3895e3a4a11da7491f
sha512
87de1f4b8691d4442de790b767044094991d02ece407c3a3bd958acce041cee34ab799310d3e9acfcb62a04e11437f875670f4f38fe1f86b3a6168f5c1b8cd88
ripemd-160
23d114a1e39713e0d5f34495ec7d5742cedf4ab0
Diameter
40159890
Circumference
126166015.39297
Area
1.26670332498E+15
Volume
3.3913777462555E+22
Surface area
5.0668132999202E+15
Circumference
126166015.39297
Perimeter
80319780
Area
403204191203025
Diagonal
28397330.550706
Surface area
2419225147218150
Volume
8.0963179831262E+21
Space diagonal
34779484.953189
Perimeter
60239835
Area
1.7459253624709E+14
Altitude
17389742.476594
Surface area
1.7459253624709E+14
Volume
9.5416022475186E+20
Height
9465776.8502353