78778081 is an odd 8-digits composite number following 78778080
and preceding 78778082 . In scientific notation, it is written as 7.8778081 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 77998000 positive integers (up to 78778081) that are relatively prime to 78778081.
78778081 has 4 divisors, whose sum is 79558164
The reverse of 78778081 is 18087787
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million seven hundred seventy-eight thousand eighty-one
Scientific notation
7.8778081 × 10^7
Engineering notation
7.8778081 × 10^6
Prime Factorization
101 × 779981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78778081
Product of the distinct prime numbers
The prime factorization of 78778081 is 101 × 779981.
Since it has a total of 2 prime factors.
1 , 6 , 9 , 60 , 401 , 352 , 6581 , 9934 , 11878 , 69998 , 17387 , 406810 , 8591164 , 2295554 , 38391374 , 7578106 , 311357491 , 320468357 , 1140013861 , 8999480128
n×2
157556162
n×3
236334243
n×4
315112324
n×5
393890405
n÷2
39389040.5
n÷3
26259360.333333
n÷3
19694520.25
n÷5
15755616.2
n2
6205986046042561
n3
4.8889567142001E+23
n4
3.8514262803675E+31
n5
3.0340797148032E+39
2 √n
8875.7017187375
3 √n
428.68188572483
4 √n
94.210942669827
5 √n
37.956056066204
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
-78778080
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 78778081 can be divided by 4 positive divisors.
The sum of these divisors (counting 78778081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100100000111011100001
3
Ternary
12111020100012201
4
Quaternary
10230200323201
5
Quinary
130131344311
6
Senary
11452253201
8
Octal
454407341
10
Decimal
78778081
12
Duodecimal
22471201
16
Hexadecimal
4b20ee1
20
Vigesimal
14c7541
36
Base36
1awhk1
md5
877ee4357a7543bc84d2c34876572272
sha1
3e349e0842d2559bb78789fc86308af4367a0e23
sha256
496815f9fa3c19e65139311601c27cf015e9664bf8812903d9a583d05f3ca2d5
sha512
f6a2e2d04d9ea583b21e822d42e3ea685afa2d053dee983eaa8ebc1c2d2fba686c652398d47d0a6296c7f555b1e2e6c37e9fff28bc0f9f27c36f6b1cc1e8376d
ripemd-160
39928f925362525cff8f513e6e1f8a32b86a3a1e
Diameter
157556162
Circumference
494977281.067
Area
1.9496680170528E+16
Volume
2.0478813996066E+24
Surface area
7.7986720682112E+16
Circumference
494977281.067
Perimeter
315112324
Area
6205986046042561
Diagonal
111409030.56793
Surface area
37235916276255366
Volume
4.8889567142001E+23
Space diagonal
136447638.81478
Perimeter
236334243
Area
2.6872707857023E+15
Altitude
68223819.407388
Surface area
2.6872707857023E+15
Volume
5.761690742564E+22
Height
37136343.522642