78138568 is an even 8-digits composite number following 78138567
and preceding 78138569 . In scientific notation, it is written as 7.8138568 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 38160528 positive integers (up to 78138568) that are relatively prime to 78138568.
78138568 has 16 divisors, whose sum is 149917680
The reverse of 78138568 is 86583187
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million one hundred thirty-eight thousand five hundred sixty-eight
Scientific notation
7.8138568 × 10^7
Engineering notation
7.8138568 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 227147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19534642
Product of the distinct prime numbers
The prime factorization of 78138568 is 2 × 2 × 2 × 43 × 227147.
Since it has a total of 5 prime factors.
3 , 7 , 64 , 10 , 713 , 797 , 2699 , 717 , 20057 , 30165 , 921458 , 647726 , 9971947 , 1903887 , 54502703 , 55502414 , 153380333 , 968344863 , 1984700250 , 5813395581
n×2
156277136
n×3
234415704
n×4
312554272
n×5
390692840
n÷2
39069284
n÷3
26046189.333333
n÷3
19534642
n÷5
15627713.6
n2
6105635809090624
n3
4.7708563885186E+23
n4
3.727878863325E+31
n5
2.9129111605768E+39
2 √n
8839.6022534953
3 √n
427.51873292055
4 √n
94.019158970368
5 √n
37.894230246849
1 , 2 , 4 , 8 , 43 , 86 , 172 , 344 , 227147 , 454294 , 908588 , 1817176 , 9767321 , 19534642 , 39069284 , 78138568
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78138567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78138568 can be divided by 16 positive divisors.
The sum of these divisors (counting 78138568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000100110011001000
3
Ternary
12110000211222001
4
Quaternary
10222010303020
5
Quinary
130000413233
6
Senary
11430440344
8
Octal
452046310
10
Decimal
78138568
12
Duodecimal
222030b4
16
Hexadecimal
4a84cc8
20
Vigesimal
1487688
36
Base36
1ais3s
md5
70ab4caa1e2459ed5d15af94df9f06a8
sha1
4d9ae9a5ea880bbfac1ebb8614ef68e88c151aff
sha256
291684cc41d49820398899261642e5c9c812d8dd13b06900aeca92c2e616bd28
sha512
4db5bcaa747739c4b5bef15b9467e7284a801fa9257aa553e291acde158ef5f4b36df8e4f9fcbcb9b41d8386b4002555e90b57236ed4aa4627a255a4f5775839
ripemd-160
a1c229277ecdab917816a7b9f189829070818351
Diameter
156277136
Circumference
490959102.38165
Area
1.9181420603334E+16
Volume
1.9984116508669E+24
Surface area
7.6725682413336E+16
Circumference
490959102.38165
Perimeter
312554272
Area
6105635809090624
Diagonal
110504622.61001
Surface area
36633814854543744
Volume
4.7708563885186E+23
Space diagonal
135339969.80668
Perimeter
234415704
Area
2.6438178584642E+15
Altitude
67669984.903338
Surface area
2.6438178584642E+15
Volume
5.6225081739811E+22
Height
36834874.203337