78441428 is an even 8-digits composite number following 78441427
and preceding 78441429 . In scientific notation, it is written as 7.8441428 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 36203712 positive integers (up to 78441428) that are relatively prime to 78441428.
78441428 has 12 divisors, whose sum is 147832020
The reverse of 78441428 is 82414487
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million four hundred forty-one thousand four hundred twenty-eight
Scientific notation
7.8441428 × 10^7
Engineering notation
7.8441428 × 10^6
Prime Factorization
2 × 2 × 13 × 1508489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39220714
Product of the distinct prime numbers
The prime factorization of 78441428 is 2 × 2 × 13 × 1508489.
Since it has a total of 4 prime factors.
9 , 8 , 91 , 8 , 62 , 278 , 5866 , 9714 , 80580 , 40606 , 913027 , 343168 , 7772077 , 4047776 , 1272077 , 64081505 , 941351429 , 599388156 , 8591999810 , 909982618
n×2
156882856
n×3
235324284
n×4
313765712
n×5
392207140
n÷2
39220714
n÷3
26147142.666667
n÷3
19610357
n÷5
15688285.6
n2
6153057626679184
n3
4.8265462680301E+23
n4
3.7860118157235E+31
n5
2.9698017325022E+39
2 √n
8856.7165473442
3 √n
428.07036575635
4 √n
94.11012988698
5 √n
37.923559923701
1 , 2 , 4 , 13 , 26 , 52 , 1508489 , 3016978 , 6033956 , 19610357 , 39220714 , 78441428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78441427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78441428 can be divided by 12 positive divisors.
The sum of these divisors (counting 78441428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011001110101111010100
3
Ternary
12110121020102002
4
Quaternary
10223032233110
5
Quinary
130040111203
6
Senary
11441134432
8
Octal
453165724
10
Decimal
78441428
12
Duodecimal
2232a418
16
Hexadecimal
4acebd4
20
Vigesimal
14a53b8
36
Base36
1ap9sk
md5
0fff9214782820617a4b144cef130236
sha1
d4bb3e712a4898a39a04edc4b320268ae5fcf578
sha256
1ac6344e4d08a405ff153c6b593093c1033e3e604df17159ae5eb2d01dfa42f3
sha512
0bffb49a0755a533832e837f34eed574ad7498b13e0afa3896fa8f1efbe039d08e9d06f12bddb2d72f9e7850bf79d88036f6a88ee84a699e08f40903b61b4c7c
ripemd-160
3fcb90e267fe9ffcf14592e74099b3ac7126befc
Diameter
156882856
Circumference
492862027.88379
Area
1.933040063709E+16
Volume
2.0217389730473E+24
Surface area
7.732160254836E+16
Circumference
492862027.88379
Perimeter
313765712
Area
6153057626679184
Diagonal
110932931.32951
Surface area
36918345760075104
Volume
4.8265462680301E+23
Space diagonal
135864538.71426
Perimeter
235324284
Area
2.6643521078269E+15
Altitude
67932269.357128
Surface area
2.6643521078269E+15
Volume
5.6881393263911E+22
Height
36977643.776504