78444780 is an even 8-digits composite number following 78444779
and preceding 78444781 . In scientific notation, it is written as 7.8444780 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 20574720 positive integers (up to 78444780) that are relatively prime to 78444780.
78444780 has 24 divisors, whose sum is 148837696
The reverse of 78444780 is 08744487
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million four hundred forty-four thousand seven hundred eighty
Scientific notation
7.8444780 × 10^7
Engineering notation
7.8444780 × 10^6
Prime Factorization
2 × 2 × 15 × 61 × 21433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39222390
Product of the distinct prime numbers
The prime factorization of 78444780 is 2 × 2 × 15 × 61 × 21433.
Since it has a total of 5 prime factors.
10 , 2 , 49 , 51 , 792 , 181 , 6237 , 5678 , 38688 , 34233 , 209108 , 822407 , 3837459 , 8510740 , 67391975 , 47131398 , 941049940 , 249779924 , 9706649188 , 6277694877
n×2
156889560
n×3
235334340
n×4
313779120
n×5
392223900
n÷2
39222390
n÷3
26148260
n÷3
19611195
n÷5
15688956
n2
6153583509248400
n3
4.8271650459462E+23
n4
3.7866590005294E+31
n5
2.9704363223155E+39
2 √n
8856.9057802372
3 √n
428.07646317818
4 √n
94.111135261654
5 √n
37.923884032029
1 , 2 , 4 , 15 , 30 , 60 , 61 , 122 , 244 , 915 , 1830 , 3660 , 21433 , 42866 , 85732 , 321495 , 642990 , 1285980 , 1307413 , 2614826 , 5229652 , 19611195 , 39222390 , 78444780
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
-78444779
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 78444780 can be divided by 24 positive divisors.
The sum of these divisors (counting 78444780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011001111100011101100
3
Ternary
12110121102000020
4
Quaternary
10223033203230
5
Quinary
130040213110
6
Senary
11441202140
8
Octal
453174354
10
Decimal
78444780
12
Duodecimal
22330350
16
Hexadecimal
4acf8ec
20
Vigesimal
14a5bj0
36
Base36
1apcdo
md5
b6963a7d1da35898063dbda5ddbca9f2
sha1
f2d053f9d9cac8d9e74e932430f526df0462d5a2
sha256
92acebee1c8d0e487ef953e4ec7f54d4f2ee6be1fbc5e1a931b514df087c965c
sha512
16937376cc417564fcf2fde23a44182440fc97e5b487c9a9f0c9ec2aa0fd9cc08d047b90cc2626fb52c53b3cb81b99093bf599831a272a27c36df1ac2c6c0ca1
ripemd-160
4dfc552e6653db7691be03ce75424ababdef52ec
Diameter
156889560
Circumference
492883089.12094
Area
1.9332052745906E+16
Volume
2.0219981661347E+24
Surface area
7.7328210983624E+16
Circumference
492883089.12094
Perimeter
313779120
Area
6153583509248400
Diagonal
110937671.77337
Surface area
36921501055490400
Volume
4.8271650459462E+23
Space diagonal
135870344.54856
Perimeter
235334340
Area
2.6645798216591E+15
Altitude
67935172.274281
Surface area
2.6645798216591E+15
Volume
5.6888685631587E+22
Height
36979223.924458