78448979 is an odd 8-digits composite number following 78448978
and preceding 78448980 . In scientific notation, it is written as 7.8448979 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 67241976 positive integers (up to 78448979) that are relatively prime to 78448979.
78448979 has 4 divisors, whose sum is 89655984
The reverse of 78448979 is 97984487
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-eight million four hundred forty-eight thousand nine hundred seventy-nine
Scientific notation
7.8448979 × 10^7
Engineering notation
7.8448979 × 10^6
Prime Factorization
7 × 11206997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78448979
Product of the distinct prime numbers
The prime factorization of 78448979 is 7 × 11206997.
Since it has a total of 2 prime factors.
5 , 4 , 62 , 85 , 67 , 763 , 4361 , 2376 , 99314 , 6001 , 318519 , 650838 , 9899406 , 1852199 , 77606705 , 17854956 , 101568596 , 147475562 , 6671651825 , 2509378850
n×2
156897958
n×3
235346937
n×4
313795916
n×5
392244895
n÷2
39224489.5
n÷3
26149659.666667
n÷3
19612244.75
n÷5
15689795.8
n2
6154242306142441
n3
4.8279402543548E+23
n4
3.7874698362713E+31
n5
2.9712314164878E+39
2 √n
8857.1428237327
3 √n
428.08410108176
4 √n
94.112394633931
5 √n
37.924290022025
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78448978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78448979 can be divided by 4 positive divisors.
The sum of these divisors (counting 78448979) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011010000100101010011
3
Ternary
12110121121202202
4
Quaternary
10223100211103
5
Quinary
130040331404
6
Senary
11441233415
8
Octal
453204523
10
Decimal
78448979
12
Duodecimal
2233286b
16
Hexadecimal
4ad0953
20
Vigesimal
14a628j
36
Base36
1apfmb
md5
ea9cd82eb9e94e31c7c05a94a9157e61
sha1
5acb161fba448c6c48b2b25f4e718a846e6790ee
sha256
96e5dd16b25e8f3dff6c5d2439dffae45b459ad48163e4090526a5ed6048fd1f
sha512
b57a1c1ebd98c5f0cb0108ba00042f314bee298401eb352c8306b51ee4462083422891410072312f0c1486bc5d074c9287c23ec885419af201d660df73a3d7d4
ripemd-160
e1ea1f90df21e3ce54231a27114ff6d469df08e7
Diameter
156897958
Circumference
492909472.21604
Area
1.9334122417389E+16
Volume
2.0223228846735E+24
Surface area
7.7336489669554E+16
Circumference
492909472.21604
Perimeter
313795916
Area
6154242306142441
Diagonal
110943610.05612
Surface area
36925453836854646
Volume
4.8279402543548E+23
Space diagonal
135877617.4299
Perimeter
235346937
Area
2.6648650890821E+15
Altitude
67938808.714952
Surface area
2.6648650890821E+15
Volume
5.6897821550296E+22
Height
36981203.352041