78445020 is an even 8-digits composite number following 78445019
and preceding 78445021 . In scientific notation, it is written as 7.8445020 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 20918656 positive integers (up to 78445020) that are relatively prime to 78445020.
78445020 has 24 divisors, whose sum is 219646224
The reverse of 78445020 is 02054487
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-eight million four hundred forty-five thousand twenty
Scientific notation
7.8445020 × 10^7
Engineering notation
7.8445020 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 1307417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39222510
Product of the distinct prime numbers
The prime factorization of 78445020 is 2 × 2 × 3 × 5 × 1307417.
Since it has a total of 5 prime factors.
2 , 7 , 33 , 73 , 66 , 483 , 8667 , 476 , 28973 , 79865 , 45946 , 314179 , 176974 , 2093125 , 14165639 , 97264919 , 731712903 , 35659909 , 7035461953 , 4964568480
n×2
156890040
n×3
235335060
n×4
313780080
n×5
392225100
n÷2
39222510
n÷3
26148340
n÷3
19611255
n÷5
15689004
n2
6153621162800400
n3
4.827209351883E+23
n4
3.7867053415265E+31
n5
2.9704817625015E+39
2 √n
8856.9193289766
3 √n
428.0768997411
4 √n
94.111207244284
5 √n
37.92390723745
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 1307417 , 2614834 , 3922251 , 5229668 , 6537085 , 7844502 , 13074170 , 15689004 , 19611255 , 26148340 , 39222510 , 78445020
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78445019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78445020 can be divided by 24 positive divisors.
The sum of these divisors (counting 78445020) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011001111100111011100
3
Ternary
12110121102100010
4
Quaternary
10223033213130
5
Quinary
130040220040
6
Senary
11441203220
8
Octal
453174734
10
Decimal
78445020
12
Duodecimal
22330510
16
Hexadecimal
4acf9dc
20
Vigesimal
14a5cb0
36
Base36
1apckc
md5
7025e7aab0a8f20a02a5350885c1519a
sha1
b10c81600dddcdce9afe3b8cce0c73461fb44f27
sha256
58ec0c2c73ebe8d1d2b0bb7106a10195af0a9e715f5f305fec32c97c49721ed7
sha512
7ad9b6145b6406deb767641e532de48caa621c2c20d34c947b84849cd62ce335d6ff9e0705835beb7a2d736a8673daee8be6b55e7b35aa8455c798cd277faaf1
ripemd-160
2b74ae6eb5fa5eed98b54a16b4fd534203181e3b
Diameter
156890040
Circumference
492884597.08541
Area
1.9332171038028E+16
Volume
2.0220167249621E+24
Surface area
7.7328684152114E+16
Circumference
492884597.08541
Perimeter
313780080
Area
6153621162800400
Diagonal
110938011.18463
Surface area
36921726976802400
Volume
4.827209351883E+23
Space diagonal
135870760.24076
Perimeter
235335060
Area
2.6645961261253E+15
Altitude
67935380.120378
Surface area
2.6645961261253E+15
Volume
5.688920778206E+22
Height
36979337.061543