78384865 is an odd 8-digits composite number following 78384864
and preceding 78384866 . In scientific notation, it is written as 7.8384865 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 57884160 positive integers (up to 78384865) that are relatively prime to 78384865.
78384865 has 8 divisors, whose sum is 101297448
The reverse of 78384865 is 56848387
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million three hundred eighty-four thousand eight hundred sixty-five
Scientific notation
7.8384865 × 10^7
Engineering notation
7.8384865 × 10^6
Prime Factorization
5 × 13 × 1205921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78384865
Product of the distinct prime numbers
The prime factorization of 78384865 is 5 × 13 × 1205921.
Since it has a total of 3 prime factors.
8 , 4 , 65 , 25 , 77 , 626 , 1499 , 482 , 23156 , 85823 , 865076 , 834493 , 2044873 , 1610922 , 7865176 , 41551407 , 288515109 , 255557891 , 2811271359 , 1622426912
n×2
156769730
n×3
235154595
n×4
313539460
n×5
391924325
n÷2
39192432.5
n÷3
26128288.333333
n÷3
19596216.25
n÷5
15676973
n2
6144187061068225
n3
4.8161127331658E+23
n4
3.7751034641398E+31
n5
2.9591097539763E+39
2 √n
8853.5227452128
3 √n
427.96744919419
4 √n
94.093159927876
5 √n
37.918089117383
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
-78384864
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 78384865 can be divided by 8 positive divisors.
The sum of these divisors (counting 78384865) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000000111011100001
3
Ternary
12110111100211011
4
Quaternary
10223000323201
5
Quinary
130031303430
6
Senary
11440020521
8
Octal
453007341
10
Decimal
78384865
12
Duodecimal
22301741
16
Hexadecimal
4ac0ee1
20
Vigesimal
149i235
36
Base36
1ao25d
md5
c31a1bf51f838de60b635d865fbc252d
sha1
23e266b1a5b3212a502c4e0d8fe6c543e81d8d0e
sha256
b6162e415dede192fe7fb1ab781de4c2b28ccebd75c867e02731844c549a797f
sha512
d782346b4fc708294dc6c4a22d4f059816fc345b99f64d151c1a4ce1d55612a8e8c099ba6980513dfde29f9ef7bd28b2c74aec00cfc95cb72e2c2e45117a182b
ripemd-160
507a1e0f10380c30e31505ba2fde9a76707f7ca5
Diameter
156769730
Circumference
492506632.07326
Area
1.9302532933333E+16
Volume
2.0173685841832E+24
Surface area
7.7210131733334E+16
Circumference
492506632.07326
Perimeter
313539460
Area
6144187061068225
Diagonal
110852939.16778
Surface area
36865122366409350
Volume
4.8161127331658E+23
Space diagonal
135766568.72443
Perimeter
235154595
Area
2.6605110402444E+15
Altitude
67883284.362214
Surface area
2.6605110402444E+15
Volume
5.675843287634E+22
Height
36950979.722595