78440105 is an odd 8-digits composite number following 78440104
and preceding 78440106 . In scientific notation, it is written as 7.8440105 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 62752080 positive integers (up to 78440105) that are relatively prime to 78440105.
78440105 has 4 divisors, whose sum is 94128132
The reverse of 78440105 is 50104487
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-eight million four hundred forty thousand one hundred five
Scientific notation
7.8440105 × 10^7
Engineering notation
7.8440105 × 10^6
Prime Factorization
5 × 15688021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78440105
Product of the distinct prime numbers
The prime factorization of 78440105 is 5 × 15688021.
Since it has a total of 2 prime factors.
9 , 4 , 55 , 29 , 928 , 448 , 6731 , 8041 , 72257 , 23547 , 96696 , 180852 , 9003984 , 8797394 , 28795815 , 54636758 , 394233446 , 222982308 , 8497985977 , 2838603301
n×2
156880210
n×3
235320315
n×4
313760420
n×5
392200525
n÷2
39220052.5
n÷3
26146701.666667
n÷3
19610026.25
n÷5
15688021
n2
6152850072411025
n3
4.8263020572918E+23
n4
3.7857564013568E+31
n5
2.9695512962685E+39
2 √n
8856.6418579504
3 √n
428.06795911871
4 √n
94.109733067045
5 √n
37.923431998421
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
-78440104
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 78440105 can be divided by 4 positive divisors.
The sum of these divisors (counting 78440105) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011001110011010101001
3
Ternary
12110121011121002
4
Quaternary
10223032122221
5
Quinary
130040040410
6
Senary
11441124345
8
Octal
453163251
10
Decimal
78440105
12
Duodecimal
223296b5
16
Hexadecimal
4ace6a9
20
Vigesimal
14a5055
36
Base36
1ap8rt
md5
5490f4b5b66baed8b7a9b73207608b34
sha1
edf7a75e05ce1bf3fbc55c0b9da03bc405f38cd9
sha256
4ad8dfef1f9d2cc3c4801a842b19a1c32115f5c2961d58baf32c64d6b1217801
sha512
f66ef8b1f48d5136bea2f3f4664f7d45e46e6a76c60f384bfb486ac3307c382f2bf6bd17f6daf2d4d67e39d69ad29bdc251f985c19223ddce1f8f00cb2a6e9d1
ripemd-160
9599846be8ec541b280b3d8645eaff2ec43ed38a
Diameter
156880210
Circumference
492853715.22962
Area
1.9329748586126E+16
Volume
2.0216366782924E+24
Surface area
7.7318994344504E+16
Circumference
492853715.22962
Perimeter
313760420
Area
6152850072411025
Diagonal
110931060.32497
Surface area
36917100434466150
Volume
4.8263020572918E+23
Space diagonal
135862247.21104
Perimeter
235320315
Area
2.6642622341924E+15
Altitude
67931123.605519
Surface area
2.6642622341924E+15
Volume
5.687851521276E+22
Height
36977020.108323