78839221 is an odd 8-digits composite number following 78839220
and preceding 78839222 . In scientific notation, it is written as 7.8839221 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 78749452 positive integers (up to 78839221) that are relatively prime to 78839221.
78839221 has 4 divisors, whose sum is 78928992
The reverse of 78839221 is 12293887
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million eight hundred thirty-nine thousand two hundred twenty-one
Scientific notation
7.8839221 × 10^7
Engineering notation
7.8839221 × 10^6
Prime Factorization
887 × 88883
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78839221
Product of the distinct prime numbers
The prime factorization of 78839221 is 887 × 88883.
Since it has a total of 2 prime factors.
3 , 1 , 93 , 62 , 793 , 194 , 1037 , 6915 , 76376 , 44503 , 48550 , 919042 , 8750007 , 5794906 , 84643770 , 55620143 , 214438085 , 307017786 , 997227168 , 3731625814
n×2
157678442
n×3
236517663
n×4
315356884
n×5
394196105
n÷2
39419610.5
n÷3
26279740.333333
n÷3
19709805.25
n÷5
15767844.2
n2
6215622767886841
n3
4.9003485705006E+23
n4
3.8633966392673E+31
n5
3.0458718145385E+39
2 √n
8879.1452854427
3 √n
428.79275765189
4 √n
94.229216729434
5 √n
37.961945809016
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
-78839220
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 78839221 can be divided by 4 positive divisors.
The sum of these divisors (counting 78839221) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100101111110110110101
3
Ternary
12111100110002011
4
Quaternary
10230233312311
5
Quinary
130140323341
6
Senary
11453444221
8
Octal
454576665
10
Decimal
78839221
12
Duodecimal
224a0671
16
Hexadecimal
4b2fdb5
20
Vigesimal
14cei11
36
Base36
1axsqd
md5
81c978690526409f723a4ab8596034bc
sha1
6a37ca96d806f586e28c08f7da8bd4e078336fb2
sha256
989c4f9543ef351ad87cbf0c7b1be6d28bcf8078458ab7b86579b8b6e78f9d2f
sha512
3f2c2d1a4e07b95a5581453a247a18b82d0c0597cb385ac17c603e2f23ad250e029c5a42a03472be54536e0ad3612bfe68e04544b92864b08933fdc9fdc0442e
ripemd-160
0228f3cff9947d0415a873ae8150d474fb6870c0
Diameter
157678442
Circumference
495361435.01668
Area
1.9526954825079E+16
Volume
2.0526532092152E+24
Surface area
7.8107819300315E+16
Circumference
495361435.01668
Perimeter
315356884
Area
6215622767886841
Diagonal
111495495.58513
Surface area
37293736607321046
Volume
4.9003485705006E+23
Space diagonal
136553536.40115
Perimeter
236517663
Area
2.6914436086655E+15
Altitude
68276768.200576
Surface area
2.6914436086655E+15
Volume
5.7751161739647E+22
Height
37165165.195043