78122009 is an odd 8-digits composite number following 78122008
and preceding 78122010 . In scientific notation, it is written as 7.8122009 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 66961716 positive integers (up to 78122009) that are relatively prime to 78122009.
78122009 has 4 divisors, whose sum is 89282304
The reverse of 78122009 is 90022187
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-eight million one hundred twenty-two thousand nine
Scientific notation
7.8122009 × 10^7
Engineering notation
7.8122009 × 10^6
Prime Factorization
7 × 11160287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78122009
Product of the distinct prime numbers
The prime factorization of 78122009 is 7 × 11160287.
Since it has a total of 2 prime factors.
7 , 9 , 67 , 54 , 652 , 780 , 7698 , 4348 , 67757 , 74594 , 569971 , 368398 , 8570722 , 852579 , 25764779 , 41264748 , 160013724 , 895606719 , 7351533559 , 6222761045
n×2
156244018
n×3
234366027
n×4
312488036
n×5
390610045
n÷2
39061004.5
n÷3
26040669.666667
n÷3
19530502.25
n÷5
15624401.8
n2
6103048290196081
n3
4.7678239345413E+23
n4
3.7247198432465E+31
n5
2.9098259711658E+39
2 √n
8838.6655667018
3 √n
427.48853109229
4 √n
94.014177477133
5 √n
37.892624013789
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78122008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78122009 can be divided by 4 positive divisors.
The sum of these divisors (counting 78122009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010000000110000011001
3
Ternary
12110000000020202
4
Quaternary
10222000300121
5
Quinary
124444401014
6
Senary
11430231545
8
Octal
452006031
10
Decimal
78122009
12
Duodecimal
221b55b5
16
Hexadecimal
4a80c19
20
Vigesimal
1485509
36
Base36
1aifbt
md5
6a3a12260517afa1bce5c8afe290234e
sha1
d3a5aedaf958facaac2401efdbb4fa34200e9e34
sha256
733cbfc5f2727c3c5f9d64dc495a05a541ffd2a4eefd71214bb8531659e9f66b
sha512
7a445530c9c5994b5c05759dc00c3bed1af6432f96123f3cf32057e67be2d38460ddee97a79b47b4129d4602951d7d0afd67fb98f6b884cb41e3cb0fb38fdd71
ripemd-160
e844003bdfbbbf2c67dbefaafa85028b8b515dbb
Diameter
156244018
Circumference
490855059.11615
Area
1.9173291672984E+16
Volume
1.9971414195153E+24
Surface area
7.6693166691935E+16
Circumference
490855059.11615
Perimeter
312488036
Area
6103048290196081
Diagonal
110481204.64763
Surface area
36618289741176486
Volume
4.7678239345413E+23
Space diagonal
135311288.77735
Perimeter
234366027
Area
2.6426974299165E+15
Altitude
67655644.388677
Surface area
2.6426974299165E+15
Volume
5.6189343926962E+22
Height
36827068.215878