78987568 is an even 8-digits composite number following 78987567
and preceding 78987569 . In scientific notation, it is written as 7.8987568 × 10^7.
The sum of its digits is 58. It has a total of 6 prime factors and 20 positive divisors.
There are 35903360 positive integers (up to 78987568) that are relatively prime to 78987568.
78987568 has 20 divisors, whose sum is 166951368
The reverse of 78987568 is 86578987
Previous prime number is 11
Is Prime? no Number parity even Number length 8 Sum of Digits 58 Digital Root 4
Name
seventy-eight million nine hundred eighty-seven thousand five hundred sixty-eight
Scientific notation
7.8987568 × 10^7
Engineering notation
7.8987568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 448793
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
9873446 Product of the distinct prime numbers
The prime factorization of 78987568 is 2 × 2 × 2 × 2 × 11 × 448793.
Since it has a total of 6 prime factors.
7 , 8 , 15 , 93 , 416 , 717 , 3959 , 5155 , 4811 , 34353 , 466499 , 597213 , 435231 , 8674437 , 38202342 , 75194067 , 769605850 , 870424051 , 5494684949 , 7084755170
n×2
157975136
n×3
236962704
n×4
315950272
n×5
394937840
n÷2
39493784
n÷3
26329189.333333
n÷3
19746892
n÷5
15797513.6
n2
6239035898554624
n3
4.9280627229152E+23
n4
3.8925568943453E+31
n5
3.0746360238597E+39
2 √n8887.4950351604
3 √n429.06153361966
4 √n94.273511842725
5 √n37.976221208673
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 448793 , 897586 , 1795172 , 3590344 , 4936723 , 7180688 , 9873446 , 19746892 , 39493784 , 78987568
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-78987567 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 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
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78987568 can be divided by 20 positive divisors.
The sum of these divisors (counting 78987568) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101101010100000100110000
3
Ternary
12111121222120111
4
Quaternary
10231110010300
5
Quinary
130210100233
6
Senary
11500551104
8
Octal
455240460
10
Decimal
78987568
12
Duodecimal
22552494
16
Hexadecimal
4b54130
20
Vigesimal
14dd8i8
36
Base36
1b0z74
md5
bd37acc653c1274fcd349349091a3df2
sha1
6d4ebd94f212c4687a9c8b1f7a365ba379a09cac
sha256
d3d2e5ab8938dae91568bcbacf560105e089dd17728f000af59d5f9e23f4dbb0
sha512
37aa1874416b0f8b03eaf26645a7c36c12c275eeb35956a9ddebed5b507d2bcdcf12d919587fc77980405939d8880ab4a57754b30919f3d5481e048058775fad
ripemd-160
1356c035e3a63b755db16618b9e18f3a92208aa0
Diameter
157975136
Circumference
496293526.70745
Area
1.9600509344382E+16
Volume
2.064262086232E+24
Surface area
7.8402037377529E+16
Circumference
496293526.70745
Perimeter
315950272
Area
6239035898554624
Diagonal
111705289.92447
Surface area
37434215391327744
Volume
4.9280627229152E+23
Space diagonal
136810480.9423
Perimeter
236962704
Area
2.7015817916357E+15
Altitude
68405240.471151
Surface area
2.7015817916357E+15
Volume
5.80777761581E+22
Height
37235096.641489