78839140 is an even 8-digits composite number following 78839139
and preceding 78839141 . In scientific notation, it is written as 7.8839140 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 31535648 positive integers (up to 78839140) that are relatively prime to 78839140.
78839140 has 12 divisors, whose sum is 165562236
The reverse of 78839140 is 04193887
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million eight hundred thirty-nine thousand one hundred forty
Scientific notation
7.8839140 × 10^7
Engineering notation
7.8839140 × 10^6
Prime Factorization
2 × 2 × 5 × 3941957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39419570
Product of the distinct prime numbers
The prime factorization of 78839140 is 2 × 2 × 5 × 3941957.
Since it has a total of 4 prime factors.
3 , 1 , 13 , 49 , 357 , 233 , 7606 , 3144 , 62625 , 25721 , 322819 , 206665 , 828050 , 1616659 , 5212584 , 48719718 , 49025226 , 521003627 , 6590502763 , 447984955
n×2
157678280
n×3
236517420
n×4
315356560
n×5
394195700
n÷2
39419570
n÷3
26279713.333333
n÷3
19709785
n÷5
15767828
n2
6215609995939600
n3
4.9003334665528E+23
n4
3.8633807621624E+31
n5
3.0458561678143E+39
2 √n
8879.1407241917
3 √n
428.79261080355
4 √n
94.229192526476
5 √n
37.961938008536
1 , 2 , 4 , 5 , 10 , 20 , 3941957 , 7883914 , 15767828 , 19709785 , 39419570 , 78839140
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78839139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78839140 can be divided by 12 positive divisors.
The sum of these divisors (counting 78839140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100101111110101100100
3
Ternary
12111100102222011
4
Quaternary
10230233311210
5
Quinary
130140323030
6
Senary
11453444004
8
Octal
454576544
10
Decimal
78839140
12
Duodecimal
224a0604
16
Hexadecimal
4b2fd64
20
Vigesimal
14cehh0
36
Base36
1axso4
md5
ca8e35bf72a0849ed3918ef10dfa11da
sha1
0819d41706eca3663804991f1aef0658e3b8ef36
sha256
b33985a4d113f2cc3cd8306883ee460c16d1b476dd1eede86c47453cc774c7c6
sha512
f2e4ddd2f20b6550a103751decc343fd7971c08f99f524c3a28b66ba872b261f661c2cfc4eed413c380c888d04c6dfd53eeef209d6974ad7aee2cf09fa9e61c1
ripemd-160
f7cc3ecd4292e6f8edb4773351007d077684db09
Diameter
157678280
Circumference
495360926.07867
Area
1.9526914700823E+16
Volume
2.0526468824883E+24
Surface area
7.8107658803293E+16
Circumference
495360926.07867
Perimeter
315356560
Area
6215609995939600
Diagonal
111495381.03383
Surface area
37293659975637600
Volume
4.9003334665528E+23
Space diagonal
136553396.10504
Perimeter
236517420
Area
2.6914380782501E+15
Altitude
68276698.052518
Surface area
2.6914380782501E+15
Volume
5.7750983737915E+22
Height
37165127.011277