78138510 is an even 8-digits composite number following 78138509
and preceding 78138511 . In scientific notation, it is written as 7.8138510 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 20836928 positive integers (up to 78138510) that are relatively prime to 78138510.
78138510 has 8 divisors, whose sum is 125021664
The reverse of 78138510 is 01583187
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-eight million one hundred thirty-eight thousand five hundred ten
Scientific notation
7.8138510 × 10^7
Engineering notation
7.8138510 × 10^6
Prime Factorization
2 × 15 × 2604617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78138510
Product of the distinct prime numbers
The prime factorization of 78138510 is 2 × 15 × 2604617.
Since it has a total of 3 prime factors.
6 , 5 , 46 , 84 , 843 , 533 , 8399 , 7836 , 35825 , 71108 , 200613 , 370271 , 4356468 , 1320919 , 39540874 , 79759520 , 144970094 , 791912777 , 6048820057 , 7320223661
n×2
156277020
n×3
234415530
n×4
312554040
n×5
390692550
n÷2
39069255
n÷3
26046170
n÷3
19534627.5
n÷5
15627702
n2
6105626745020100
n3
4.7708457647202E+23
n4
3.7278677949505E+31
n5
2.9129003497442E+39
2 √n
8839.5989728041
3 √n
427.51862714226
4 √n
94.019141523437
5 √n
37.894224621289
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
-78138509
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 78138510 can be divided by 8 positive divisors.
The sum of these divisors (counting 78138510) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010000100110010001110
3
Ternary
12110000211212220
4
Quaternary
10222010302032
5
Quinary
130000413020
6
Senary
11430440210
8
Octal
452046216
10
Decimal
78138510
12
Duodecimal
22203066
16
Hexadecimal
4a84c8e
20
Vigesimal
148765a
36
Base36
1ais26
md5
c13f4429c8040bc50c39f62b4b725b0e
sha1
4e05ec07c548088730e4d4cc9cd1c5e588b1bf46
sha256
3af800d8ddbd35bd41c6ff63604094e9853cfe5232af2b257040e4a1841ee38d
sha512
fca975b5a4b41ccc8d8d9c2250f71061161918c31823c73a59c0d4653d8d3373d5a15912faf26b81cf6faa86403fc977baf4e4a322a24e028773ac31c390d0b5
ripemd-160
2a938d5668d9f9beb3fdc10d07ab90fa1af33714
Diameter
156277020
Circumference
490958737.95691
Area
1.9181392127717E+16
Volume
1.9984072007807E+24
Surface area
7.6725568510866E+16
Circumference
490958737.95691
Perimeter
312554040
Area
6105626745020100
Diagonal
110504540.58563
Surface area
36633760470120600
Volume
4.7708457647202E+23
Space diagonal
135339869.34773
Perimeter
234415530
Area
2.6438139336066E+15
Altitude
67669934.673864
Surface area
2.6438139336066E+15
Volume
5.6224956537146E+22
Height
36834846.861875