78987025 is an odd 8-digits composite number following 78987024
and preceding 78987026 . In scientific notation, it is written as 7.8987025 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 57076800 positive integers (up to 78987025) that are relatively prime to 78987025.
78987025 has 24 divisors, whose sum is 107743104
The reverse of 78987025 is 52078987
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million nine hundred eighty-seven thousand twenty-five
Scientific notation
7.8987025 × 10^7
Engineering notation
7.8987025 × 10^6
Prime Factorization
5 × 5 × 13 × 47 × 5171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15797405
Product of the distinct prime numbers
The prime factorization of 78987025 is 5 × 5 × 13 × 47 × 5171.
Since it has a total of 5 prime factors.
8 , 2 , 64 , 63 , 902 , 108 , 9036 , 5283 , 43762 , 56711 , 68880 , 910172 , 8275563 , 9794653 , 23342864 , 77130157 , 150296031 , 512636748 , 8237176242 , 2402630696
n×2
157974050
n×3
236961075
n×4
315948100
n×5
394935125
n÷2
39493512.5
n÷3
26329008.333333
n÷3
19746756.25
n÷5
15797405
n2
6238950118350625
n3
4.9279610897191E+23
n4
3.8924498579267E+31
n5
3.074530342393E+39
2 √n
8887.4644865676
3 √n
429.06055042297
4 √n
94.273349821504
5 √n
37.976168995026
1 , 5 , 13 , 25 , 47 , 65 , 235 , 325 , 611 , 1175 , 3055 , 5171 , 15275 , 25855 , 67223 , 129275 , 243037 , 336115 , 1215185 , 1680575 , 3159481 , 6075925 , 15797405 , 78987025
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
-78987024
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 78987025 can be divided by 24 positive divisors.
The sum of these divisors (counting 78987025) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101101010011111100010001
3
Ternary
12111121221211101
4
Quaternary
10231103330101
5
Quinary
130210041100
6
Senary
11500544401
8
Octal
455237421
10
Decimal
78987025
12
Duodecimal
22552101
16
Hexadecimal
4b53f11
20
Vigesimal
14dd7b5
36
Base36
1b0ys1
md5
59df3af9b002e5c73a7269e369e23b23
sha1
9ed9ff98287480ead0161d685a9ac611a9139806
sha256
9f4afbf7decc26682aa4736edd6fed127c2d15e04fedd13b31b7359b6b4e9c11
sha512
5704d705f8b59473800984594b49b71a5b34abaf5ee807e9deffac5b1641faab6c2da9945f2abd32532d0838f02246e9ecfb1b9d6cc69470c7e5e2f97588d573
ripemd-160
7e5415f8c744e3ecb4776ab47ef09410401d08dc
Diameter
157974050
Circumference
496290114.93783
Area
1.9600239857923E+16
Volume
2.0642195142184E+24
Surface area
7.8400959431694E+16
Circumference
496290114.93783
Perimeter
315948100
Area
6238950118350625
Diagonal
111704522.0065
Surface area
37433700710103750
Volume
4.9279610897191E+23
Space diagonal
136809540.43871
Perimeter
236961075
Area
2.7015446477178E+15
Altitude
68404770.219357
Surface area
2.7015446477178E+15
Volume
5.8076578399398E+22
Height
37234840.668834