78283989 is an odd 8-digits composite number following 78283988
and preceding 78283990 . In scientific notation, it is written as 7.8283989 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 44258400 positive integers (up to 78283989) that are relatively prime to 78283989.
78283989 has 16 divisors, whose sum is 89303040
The reverse of 78283989 is 98938287
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million two hundred eighty-three thousand nine hundred eighty-nine
Scientific notation
7.8283989 × 10^7
Engineering notation
7.8283989 × 10^6
Prime Factorization
63 × 9 × 101 × 1367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78283989
Product of the distinct prime numbers
The prime factorization of 78283989 is 63 × 9 × 101 × 1367.
Since it has a total of 4 prime factors.
9 , 1 , 49 , 17 , 898 , 881 , 4838 , 1290 , 94030 , 14815 , 844124 , 513172 , 5361323 , 3182352 , 19241557 , 78247960 , 178733610 , 119632798 , 8639539998 , 8174787030
n×2
156567978
n×3
234851967
n×4
313135956
n×5
391419945
n÷2
39141994.5
n÷3
26094663
n÷3
19570997.25
n÷5
15656797.8
n2
6128382933752121
n3
4.7975426217364E+23
n4
3.7557077382704E+31
n5
2.9401178326998E+39
2 √n
8847.8239697679
3 √n
427.78378203125
4 √n
94.062872429923
5 √n
37.908324488207
1 , 9 , 63 , 101 , 567 , 909 , 1367 , 6363 , 12303 , 57267 , 86121 , 138067 , 775089 , 1242603 , 8698221 , 78283989
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
-78283988
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 78283989 can be divided by 16 positive divisors.
The sum of these divisors (counting 78283989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101000010011010101
3
Ternary
12110022020110000
4
Quaternary
10222220103111
5
Quinary
130020041424
6
Senary
11433521513
8
Octal
452502325
10
Decimal
78283989
12
Duodecimal
22273299
16
Hexadecimal
4aa84d5
20
Vigesimal
14959j9
36
Base36
1alwb9
md5
55ad516ce55b037840dc656569713f80
sha1
555ba6e02e35bc1acc51de4c859c6e9325e7a852
sha256
b966e63d91f613dc95ed79a188e6699cda19dc18fb9471bee4e0949b7d64fe60
sha512
dba47cdfd9cf2b536915621cd7748d39000408328135c1f6674d445303966918575dc845504ac5f4f84e7834d6768f6dbadb94dad7a51fb99bc4e4a1622c1243
ripemd-160
996f294c6bd1e37d3a8189042f109145e62b56fc
Diameter
156567978
Circumference
491872809.47221
Area
1.9252882803061E+16
Volume
2.0095899540975E+24
Surface area
7.7011531212243E+16
Circumference
491872809.47221
Perimeter
313135956
Area
6128382933752121
Diagonal
110710278.96047
Surface area
36770297602512726
Volume
4.7975426217364E+23
Space diagonal
135591846.36716
Perimeter
234851967
Area
2.6536676523742E+15
Altitude
67795923.183582
Surface area
2.6536676523742E+15
Volume
5.6539582014355E+22
Height
36903426.320155