78438045 is an odd 8-digits composite number following 78438044
and preceding 78438046 . In scientific notation, it is written as 7.8438045 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 35629632 positive integers (up to 78438045) that are relatively prime to 78438045.
78438045 has 32 divisors, whose sum is 144340992
The reverse of 78438045 is 54083487
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred thirty-eight thousand forty-five
Scientific notation
7.8438045 × 10^7
Engineering notation
7.8438045 × 10^6
Prime Factorization
3 × 5 × 7 × 163 × 4583
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78438045
Product of the distinct prime numbers
The prime factorization of 78438045 is 3 × 5 × 7 × 163 × 4583.
Since it has a total of 5 prime factors.
10 , 3 , 55 , 86 , 539 , 508 , 6992 , 2282 , 41291 , 9001 , 262611 , 449879 , 5478125 , 4541693 , 74001892 , 10163112 , 437777236 , 44234306 , 8462396166 , 1528266971
n×2
156876090
n×3
235314135
n×4
313752180
n×5
392190225
n÷2
39219022.5
n÷3
26146015
n÷3
19609511.25
n÷5
15687609
n2
6152526903422025
n3
4.8259218211433E+23
n4
3.7853587297332E+31
n5
2.9691613838395E+39
2 √n
8856.525560286
3 √n
428.06421176815
4 √n
94.109115181719
5 √n
37.923232806718
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 163 , 489 , 815 , 1141 , 2445 , 3423 , 4583 , 5705 , 13749 , 17115 , 22915 , 32081 , 68745 , 96243 , 160405 , 481215 , 747029 , 2241087 , 3735145 , 5229203 , 11205435 , 15687609 , 26146015 , 78438045
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78438044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78438045 can be divided by 32 positive divisors.
The sum of these divisors (counting 78438045) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101011001101111010011101
3
Ternary
12110121001202210
4
Quaternary
10223031322131
5
Quinary
130040004140
6
Senary
11441111033
8
Octal
453157235
10
Decimal
78438045
12
Duodecimal
22328479
16
Hexadecimal
4acde9d
20
Vigesimal
14a4f25
36
Base36
1ap76l
md5
248edd5c7072023743d946137e4cb0ac
sha1
66ad549c9e4d001acb2d67af8adec1c21d9754a7
sha256
484cabf5650c65cf5b0cd0eaf4329b945e0c98b020afc97d0c0b870a59c0ac62
sha512
540a30039a4b5b471e1d2f561b7c78144c567a1f105ad5d359202b07329f1baf50811ab799e3642f556c83c4a851c864ca2600521dc3ee467f107f9e86541df6
ripemd-160
74bf4b28d2a9a74cbab03d7a9302db500433889d
Diameter
156876090
Circumference
492840771.86789
Area
1.9328733320804E+16
Volume
2.021477405347E+24
Surface area
7.7314933283217E+16
Circumference
492840771.86789
Perimeter
313752180
Area
6152526903422025
Diagonal
110928147.04503
Surface area
36915161420532150
Volume
4.8259218211433E+23
Space diagonal
135858679.18637
Perimeter
235314135
Area
2.6641222979153E+15
Altitude
67929339.593187
Surface area
2.6641222979153E+15
Volume
5.6874034086776E+22
Height
36976049.01501