78389904 is an even 8-digits composite number following 78389903
and preceding 78389905 . In scientific notation, it is written as 7.8389904 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 26129952 positive integers (up to 78389904) that are relatively prime to 78389904.
78389904 has 20 divisors, whose sum is 202507376
The reverse of 78389904 is 40998387
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million three hundred eighty-nine thousand nine hundred four
Scientific notation
7.8389904 × 10^7
Engineering notation
7.8389904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1633123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9798738
Product of the distinct prime numbers
The prime factorization of 78389904 is 2 × 2 × 2 × 2 × 3 × 1633123.
Since it has a total of 6 prime factors.
3 , 7 , 86 , 53 , 519 , 670 , 8867 , 6642 , 23177 , 92138 , 18766 , 398395 , 3759342 , 8074746 , 18051865 , 29326444 , 614258654 , 739183356 , 205618555 , 4804407798
n×2
156779808
n×3
235169712
n×4
313559616
n×5
391949520
n÷2
39194952
n÷3
26129968
n÷3
19597476
n÷5
15677980.8
n2
6144977049129216
n3
4.8170416096344E+23
n4
3.7760742934325E+31
n5
2.9600610135904E+39
2 √n
8853.8073166294
3 √n
427.97661967953
4 √n
94.094672094808
5 √n
37.91857662052
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1633123 , 3266246 , 4899369 , 6532492 , 9798738 , 13064984 , 19597476 , 26129968 , 39194952 , 78389904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78389903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78389904 can be divided by 20 positive divisors.
The sum of these divisors (counting 78389904) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101011000010001010010000
3
Ternary
12110111121201210
4
Quaternary
10223002022100
5
Quinary
130031434104
6
Senary
11440100120
8
Octal
453021220
10
Decimal
78389904
12
Duodecimal
22304640
16
Hexadecimal
4ac2290
20
Vigesimal
149ief4
36
Base36
1ao61c
md5
887e47929f34980a26f05d45f954d86e
sha1
85b56fcb6c0239edd12169b255543736bde6407f
sha256
3c0e331c68f735c5320ea1c8b2a6505ec71007f38bf8936ce299c7deba177ef1
sha512
e9acac749dfa672c53c5354b9834bb84e4ca28c96bc3a12a73540f1958ce7e094824553a2362b115a55ee750227f177c9185d53bebe7ff8dd8b887ff10d7162b
ripemd-160
e02269deda9e187e13b0ecc4f4ca0f66da127223
Diameter
156779808
Circumference
492538293.04402
Area
1.9305014754022E+16
Volume
2.0177576710485E+24
Surface area
7.7220059016089E+16
Circumference
492538293.04402
Perimeter
313559616
Area
6144977049129216
Diagonal
110860065.38992
Surface area
36869862294775296
Volume
4.8170416096344E+23
Space diagonal
135775296.52845
Perimeter
235169712
Area
2.6608531151091E+15
Altitude
67887648.264223
Surface area
2.6608531151091E+15
Volume
5.6769379790504E+22
Height
36953355.129975