78442605 is an odd 8-digits composite number following 78442604
and preceding 78442606 . In scientific notation, it is written as 7.8442605 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 41770080 positive integers (up to 78442605) that are relatively prime to 78442605.
78442605 has 8 divisors, whose sum is 80312320
The reverse of 78442605 is 50624487
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million four hundred forty-two thousand six hundred five
Scientific notation
7.8442605 × 10^7
Engineering notation
7.8442605 × 10^6
Prime Factorization
45 × 991 × 1759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78442605
Product of the distinct prime numbers
The prime factorization of 78442605 is 45 × 991 × 1759.
Since it has a total of 3 prime factors.
5 , 6 , 96 , 36 , 342 , 27 , 236 , 2849 , 46187 , 97112 , 546966 , 552406 , 3361976 , 2216294 , 79992803 , 50805628 , 291996722 , 112301102 , 5592111918 , 1820055275
n×2
156885210
n×3
235327815
n×4
313770420
n×5
392213025
n÷2
39221302.5
n÷3
26147535
n÷3
19610651.25
n÷5
15688521
n2
6153242279186025
n3
4.8267635357549E+23
n4
3.7862390546362E+31
n5
2.970024545984E+39
2 √n
8856.7829938415
3 √n
428.07250678613
4 √n
94.110482911531
5 √n
37.923673730304
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
-78442604
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 78442605 can be divided by 8 positive divisors.
The sum of these divisors (counting 78442605) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011001111000001101101
3
Ternary
12110121022000200
4
Quaternary
10223033001231
5
Quinary
130040130410
6
Senary
11441144113
8
Octal
453170155
10
Decimal
78442605
12
Duodecimal
2232b039
16
Hexadecimal
4acf06d
20
Vigesimal
14a56a5
36
Base36
1apap9
md5
3014c38869dd3e41dc454d038473661d
sha1
dc134151ea9116d32d1ba68cd3fd1df493085193
sha256
8a6b17387443575b5679fd13c8f5f4f6eb37940f952b663c0370d1d05f84df8d
sha512
b94dbde46ffca6d6e1fdd67fe00e5a7e3e08c8c50f6bfb6fde8890c7723a0bc53cd2f49c409a7c80541d8dce50ea6dd5a1f1a78095b1dc7757cdbcd177baab4c
ripemd-160
9af2c7290e9118495eceff621387d3b18149ee03
Diameter
156885210
Circumference
492869423.19289
Area
1.9330980740049E+16
Volume
2.021829981939E+24
Surface area
7.7323922960196E+16
Circumference
492869423.19289
Perimeter
313770420
Area
6153242279186025
Diagonal
110934595.85888
Surface area
36919453675116150
Volume
4.8267635357549E+23
Space diagonal
135866577.33806
Perimeter
235327815
Area
2.6644320647078E+15
Altitude
67933288.669028
Surface area
2.6644320647078E+15
Volume
5.6883953788604E+22
Height
36978198.619625