78128835 is an odd 8-digits composite number following 78128834
and preceding 78128836 . In scientific notation, it is written as 7.8128835 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 40128000 positive integers (up to 78128835) that are relatively prime to 78128835.
78128835 has 16 divisors, whose sum is 86446080
The reverse of 78128835 is 53882187
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred twenty-eight thousand eight hundred thirty-five
Scientific notation
7.8128835 × 10^7
Engineering notation
7.8128835 × 10^6
Prime Factorization
15 × 31 × 401 × 419
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78128835
Product of the distinct prime numbers
The prime factorization of 78128835 is 15 × 31 × 401 × 419.
Since it has a total of 4 prime factors.
3 , 9 , 79 , 21 , 352 , 385 , 1948 , 9150 , 65795 , 79092 , 673669 , 345840 , 9543678 , 2838941 , 90304565 , 88346859 , 369114093 , 897941219 , 6877165196 , 6604685306
n×2
156257670
n×3
234386505
n×4
312515340
n×5
390644175
n÷2
39064417.5
n÷3
26042945
n÷3
19532208.75
n÷5
15625767
n2
6104114858457225
n3
4.7690738259745E+23
n4
3.7260218205238E+31
n5
2.9110974402211E+39
2 √n
8839.0517025301
3 √n
427.50098149633
4 √n
94.016231058951
5 √n
37.89328617293
1 , 15 , 31 , 401 , 419 , 465 , 6015 , 6285 , 12431 , 12989 , 168019 , 186465 , 194835 , 2520285 , 5208589 , 78128835
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
-78128834
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 78128835 can be divided by 16 positive divisors.
The sum of these divisors (counting 78128835) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000010011011000011
3
Ternary
12110000100121120
4
Quaternary
10222002123003
5
Quinary
130000110320
6
Senary
11430323323
8
Octal
452023303
10
Decimal
78128835
12
Duodecimal
221b9543
16
Hexadecimal
4a826c3
20
Vigesimal
148621f
36
Base36
1aiklf
md5
7feef5f59c796c2dd22e268d42bb6f53
sha1
43995ec16f7df2655c31978fcd7062cd81fab187
sha256
a9bbf9ff468e2f218b89d2f98a2d615058b549c1eca71ba1790f696111f7bc6d
sha512
e8e196a6d99070194f6a2133b5a5cc176f47c15c6d584b61a678c0bccca0703dc7064dd99719d4acd12e1b4fb95fd425eb9154c08e6811013120750bf8bb9d7a
ripemd-160
0c0adfe235fcaf43067d9e813df5fe5c734d0727
Diameter
156257670
Circumference
490897948.13906
Area
1.9176642395998E+16
Volume
1.9976649728145E+24
Surface area
7.670656958399E+16
Circumference
490897948.13906
Perimeter
312515340
Area
6104114858457225
Diagonal
110490858.06941
Surface area
36624689150743350
Volume
4.7690738259745E+23
Space diagonal
135323111.75617
Perimeter
234386505
Area
2.643159267521E+15
Altitude
67661555.878083
Surface area
2.643159267521E+15
Volume
5.6204074038764E+22
Height
36830286.023137