78161568 is an even 8-digits composite number following 78161567
and preceding 78161569 . In scientific notation, it is written as 7.8161568 × 10^7.
The sum of its digits is 42. It has a total of 7 prime factors and 24 positive divisors.
There are 26053824 positive integers (up to 78161568) that are relatively prime to 78161568.
78161568 has 24 divisors, whose sum is 205174368
The reverse of 78161568 is 86516187
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred sixty-one thousand five hundred sixty-eight
Scientific notation
7.8161568 × 10^7
Engineering notation
7.8161568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 814183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4885098
Product of the distinct prime numbers
The prime factorization of 78161568 is 2 × 2 × 2 × 2 × 2 × 3 × 814183.
Since it has a total of 7 prime factors.
6 , 2 , 36 , 67 , 408 , 559 , 3297 , 1318 , 95334 , 39253 , 638428 , 710078 , 3439746 , 5385250 , 7872760 , 18262023 , 992619061 , 547103041 , 6511948252 , 7966500650
n×2
156323136
n×3
234484704
n×4
312646272
n×5
390807840
n÷2
39080784
n÷3
26053856
n÷3
19540392
n÷5
15632313.6
n2
6109230712218624
n3
4.7750705174076E+23
n4
3.7322699895115E+31
n5
2.9172007457956E+39
2 √n
8840.903121288
3 √n
427.56067535903
4 √n
94.02607681536
5 √n
37.896460809088
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 814183 , 1628366 , 2442549 , 3256732 , 4885098 , 6513464 , 9770196 , 13026928 , 19540392 , 26053856 , 39080784 , 78161568
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
-78161567
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 78161568 can be divided by 24 positive divisors.
The sum of these divisors (counting 78161568) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010001010011010100000
3
Ternary
12110002000111220
4
Quaternary
10222022122200
5
Quinary
130002132233
6
Senary
11431135040
8
Octal
452123240
10
Decimal
78161568
12
Duodecimal
22214480
16
Hexadecimal
4a8a6a0
20
Vigesimal
148a3i8
36
Base36
1aj9uo
md5
62642d72e93ed4478b8a1a4629ee6393
sha1
f2301394656f636f3e8b7d0177f1d502e003e717
sha256
f4f40dc918ff3f8865f4e45347946df7e93d4bdb802ed89cd9f7e5c056bd0130
sha512
5e8088423146c73288179b17cdeb88b3d2f4e4431810e333316d21f2057f4bd8c6c68507b3de1d50bf7b221bc74e54bd3030d2319dff9b6f27d808e8a81bc55c
ripemd-160
6d93441689b75417cf2ad93c56d91193096ea95f
Diameter
156323136
Circumference
491103615.64372
Area
1.9192714324591E+16
Volume
2.0001768610481E+24
Surface area
7.6770857298365E+16
Circumference
491103615.64372
Perimeter
312646272
Area
6109230712218624
Diagonal
110537149.52195
Surface area
36655384273311744
Volume
4.7750705174076E+23
Space diagonal
135379806.97525
Perimeter
234484704
Area
2.6453744971807E+15
Altitude
67689903.487625
Surface area
2.6453744971807E+15
Volume
5.6274745725048E+22
Height
36845716.507316