78839690 is an even 8-digits composite number following 78839689
and preceding 78839691 . In scientific notation, it is written as 7.8839690 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 30448320 positive integers (up to 78839690) that are relatively prime to 78839690.
78839690 has 16 divisors, whose sum is 146805480
The reverse of 78839690 is 09693887
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million eight hundred thirty-nine thousand six hundred ninety
Scientific notation
7.8839690 × 10^7
Engineering notation
7.8839690 × 10^6
Prime Factorization
2 × 5 × 29 × 271861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78839690
Product of the distinct prime numbers
The prime factorization of 78839690 is 2 × 5 × 29 × 271861.
Since it has a total of 4 prime factors.
2 , 10 , 15 , 1 , 445 , 78 , 3432 , 5918 , 3410 , 5566 , 868564 , 387741 , 6926711 , 6999321 , 32814930 , 12679979 , 666363725 , 172431609 , 2645891792 , 6277041655
n×2
157679380
n×3
236519070
n×4
315358760
n×5
394198450
n÷2
39419845
n÷3
26279896.666667
n÷3
19709922.5
n÷5
15767938
n2
6215696719296100
n3
4.9004360248332E+23
n4
3.8634885706268E+31
n5
3.0459624122676E+39
2 √n
8879.1716956031
3 √n
428.79360791991
4 √n
94.229356867184
5 √n
37.961990974633
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 271861 , 543722 , 1359305 , 2718610 , 7883969 , 15767938 , 39419845 , 78839690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78839689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78839690 can be divided by 16 positive divisors.
The sum of these divisors (counting 78839690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100101111111110001010
3
Ternary
12111100110201112
4
Quaternary
10230233332022
5
Quinary
130140332230
6
Senary
11453450322
8
Octal
454577612
10
Decimal
78839690
12
Duodecimal
224a09a2
16
Hexadecimal
4b2ff8a
20
Vigesimal
14cej4a
36
Base36
1axt3e
md5
fc2a65ddf3544e630ac7f19cb79fba25
sha1
8bfd52b440c0911c1735859f6fad328792987c7c
sha256
85d3d4a4081aa07cad328ed13e1b92854ab9113730b9752162df55d789c961e7
sha512
225293dd61986314c3c8f98b9fac34e281785f04f4e12c87d71038f3e5143688f1b16eeff34eba602cea48d455a898c413604a0a1ea00c90293f767d248d5e87
ripemd-160
fe0f78802a384f6de85ade9cc38d76dc0c455093
Diameter
157679380
Circumference
495364381.83059
Area
1.9527187150283E+16
Volume
2.0526898420004E+24
Surface area
7.8108748601131E+16
Circumference
495364381.83059
Perimeter
315358760
Area
6215696719296100
Diagonal
111496158.85129
Surface area
37294180315776600
Volume
4.9004360248332E+23
Space diagonal
136554348.73298
Perimeter
236519070
Area
2.691475630565E+15
Altitude
68277174.36649
Surface area
2.691475630565E+15
Volume
5.775219239884E+22
Height
37165386.283763