78898081 is an odd 8-digits composite number following 78898080
and preceding 78898082 . In scientific notation, it is written as 7.8898081 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 78174720 positive integers (up to 78898081) that are relatively prime to 78898081.
78898081 has 8 divisors, whose sum is 79625000
The reverse of 78898081 is 18089887
Previous prime number is 1249
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million eight hundred ninety-eight thousand eighty-one
Scientific notation
7.8898081 × 10^7
Engineering notation
7.8898081 × 10^6
Prime Factorization
181 × 1249 × 349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78898081
Product of the distinct prime numbers
The prime factorization of 78898081 is 181 × 1249 × 349.
Since it has a total of 3 prime factors.
7 , 6 , 48 , 26 , 973 , 595 , 6759 , 9982 , 80745 , 21202 , 119009 , 200463 , 2780883 , 4367098 , 43264099 , 95693065 , 363477759 , 379446408 , 5921214260 , 5737629428
n×2
157796162
n×3
236694243
n×4
315592324
n×5
394490405
n÷2
39449040.5
n÷3
26299360.333333
n÷3
19724520.25
n÷5
15779616.2
n2
6224907185482561
n3
4.9113323133769E+23
n4
3.8749469467872E+31
n5
3.0572587807832E+39
2 √n
8882.459175251
3 √n
428.89944086135
4 √n
94.246799283853
5 √n
37.967612463565
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78898080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78898081 can be divided by 8 positive divisors.
The sum of these divisors (counting 78898081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111110001110100001
3
Ternary
12111110102211011
4
Quaternary
10230332032201
5
Quinary
130144214311
6
Senary
11455020521
8
Octal
454761641
10
Decimal
78898081
12
Duodecimal
2250a741
16
Hexadecimal
4b3e3a1
20
Vigesimal
14d2541
36
Base36
1az25d
md5
087e0e32898d31ae3d865a083cbfb69b
sha1
e5c56820105d958367a85f1a8d4c61ce72d0cbb7
sha256
560c365616667ec1880640d23c0522c1f0883d235ca8e5387876959bb8975d18
sha512
4b443502c8a23a57b463bc155ef569d40d413f6e8d826934b98acabfd2225e4fa416b8d4d080c9b6f79eb4a90cdc4246b1700237fa9eb056d418052dfa7c8cac
ripemd-160
4d1252d65bdb9ee5dfec8f7111eb5de59277eb69
Diameter
157796162
Circumference
495731263.30386
Area
1.955612268319E+16
Volume
2.0572540686724E+24
Surface area
7.8224490732761E+16
Circumference
495731263.30386
Perimeter
315592324
Area
6224907185482561
Diagonal
111578736.19541
Surface area
37349443112895366
Volume
4.9113323133769E+23
Space diagonal
136655484.91168
Perimeter
236694243
Area
2.6954638794141E+15
Altitude
68327742.455842
Surface area
2.6954638794141E+15
Volume
5.7880606390823E+22
Height
37192912.065137