78442866 is an even 8-digits composite number following 78442865
and preceding 78442867 . In scientific notation, it is written as 7.8442866 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 26002080 positive integers (up to 78442866) that are relatively prime to 78442866.
78442866 has 16 divisors, whose sum is 131465880
The reverse of 78442866 is 66824487
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred forty-two thousand eight hundred sixty-six
Scientific notation
7.8442866 × 10^7
Engineering notation
7.8442866 × 10^6
Prime Factorization
2 × 9 × 181 × 24077
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78442866
Product of the distinct prime numbers
The prime factorization of 78442866 is 2 × 9 × 181 × 24077.
Since it has a total of 4 prime factors.
7 , 8 , 72 , 57 , 849 , 733 , 3370 , 4222 , 7629 , 42437 , 565197 , 286131 , 5503088 , 5560363 , 76880618 , 80302285 , 804898903 , 851245262 , 4972619028 , 9779325030
n×2
156885732
n×3
235328598
n×4
313771464
n×5
392214330
n÷2
39221433
n÷3
26147622
n÷3
19610716.5
n÷5
15688573.2
n2
6153283226293956
n3
4.8268117158022E+23
n4
3.7862894462991E+31
n5
2.9700739567325E+39
2 √n
8856.7977282989
3 √n
428.07298155704
4 √n
94.110561194262
5 √n
37.923698966757
1 , 2 , 9 , 18 , 181 , 362 , 1629 , 3258 , 24077 , 48154 , 216693 , 433386 , 4357937 , 8715874 , 39221433 , 78442866
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
-78442865
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 78442866 can be divided by 16 positive divisors.
The sum of these divisors (counting 78442866) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001111000101110010
3
Ternary
12110121022101100
4
Quaternary
10223033011302
5
Quinary
130040132431
6
Senary
11441145230
8
Octal
453170562
10
Decimal
78442866
12
Duodecimal
2232b216
16
Hexadecimal
4acf172
20
Vigesimal
14a5736
36
Base36
1apawi
md5
e02c0cde61c0f8de14e187bb7559f5d0
sha1
5df6c3eb59cc89f761a635a206b00079276513f2
sha256
bc564acd40b79153a8ddc44ae7a82334bd7c73b57e9e9dd506c86527664778ff
sha512
a00b9b82b894d4c3fb2a90b83123bb0378db00fb1e2e28bc92cd9c95ad94eb4f2244c6ef7141472a81eecf9fb0137ef220ad785a6e90f694500a3d026b383c37
ripemd-160
783d9353c94ae226366112767ad7c73cae5812f5
Diameter
156885732
Circumference
492871063.10426
Area
1.9331109379182E+16
Volume
2.0218501635501E+24
Surface area
7.732443751673E+16
Circumference
492871063.10426
Perimeter
313771464
Area
6153283226293956
Diagonal
110934964.96862
Surface area
36919699357763736
Volume
4.8268117158022E+23
Space diagonal
135867029.40332
Perimeter
235328598
Area
2.6644497953256E+15
Altitude
67933514.701659
Surface area
2.6644497953256E+15
Volume
5.6884521595907E+22
Height
36978321.656205