78388616 is an even 8-digits composite number following 78388615
and preceding 78388617 . In scientific notation, it is written as 7.8388616 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 39128320 positive integers (up to 78388616) that are relatively prime to 78388616.
78388616 has 16 divisors, whose sum is 147226140
The reverse of 78388616 is 61688387
Previous prime number is 617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million three hundred eighty-eight thousand six hundred sixteen
Scientific notation
7.8388616 × 10^7
Engineering notation
7.8388616 × 10^6
Prime Factorization
2 × 2 × 2 × 617 × 15881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19597154
Product of the distinct prime numbers
The prime factorization of 78388616 is 2 × 2 × 2 × 617 × 15881.
Since it has a total of 5 prime factors.
5 , 4 , 97 , 45 , 834 , 69 , 2727 , 1011 , 29597 , 97513 , 697100 , 121522 , 641995 , 4118276 , 86462606 , 68163802 , 901158777 , 819454528 , 929067392 , 2009660751
n×2
156777232
n×3
235165848
n×4
313554464
n×5
391943080
n÷2
39194308
n÷3
26129538.666667
n÷3
19597154
n÷5
15677723.2
n2
6144775118395456
n3
4.8168041716226E+23
n4
3.7758261255652E+31
n5
2.959817842397E+39
2 √n
8853.7345792609
3 √n
427.97427568336
4 √n
94.094285582393
5 √n
37.918452014046
1 , 2 , 4 , 8 , 617 , 1234 , 2468 , 4936 , 15881 , 31762 , 63524 , 127048 , 9798577 , 19597154 , 39194308 , 78388616
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
-78388615
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 78388616 can be divided by 16 positive divisors.
The sum of these divisors (counting 78388616) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011000001110110001000
3
Ternary
12110111112222002
4
Quaternary
10223001312020
5
Quinary
130031413431
6
Senary
11440050132
8
Octal
453016610
10
Decimal
78388616
12
Duodecimal
22303948
16
Hexadecimal
4ac1d88
20
Vigesimal
149ibag
36
Base36
1ao51k
md5
9f0d79209c3e32cea53649a1d3b5da90
sha1
474b888188929bf85b5763ef85f9298a604cc717
sha256
47529224d15cb03bb5247b605d6d11a020c82fd1fa27fe2bbc344f1a4b437752
sha512
2851e2ff9c3000af270d91e3531503bf23bf232a4a427fe43ef34c651d71fe89265505f7a22c6391165d035ef897e95ac5d9517542f006522192d5eff9b728fc
ripemd-160
6a5912bfe3849a3a992ef1874440a63325ca79a6
Diameter
156777232
Circumference
492530200.30134
Area
1.9304380369913E+16
Volume
2.0176582132467E+24
Surface area
7.721752147965E+16
Circumference
492530200.30134
Perimeter
313554464
Area
6144775118395456
Diagonal
110858243.88286
Surface area
36868650710372736
Volume
4.8168041716226E+23
Space diagonal
135773065.64701
Perimeter
235165848
Area
2.6607656765365E+15
Altitude
67886532.823503
Surface area
2.6607656765365E+15
Volume
5.6766581556699E+22
Height
36952747.960952