78442994 is an even 8-digits composite number following 78442993
and preceding 78442995 . In scientific notation, it is written as 7.8442994 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 33540864 positive integers (up to 78442994) that are relatively prime to 78442994.
78442994 has 16 divisors, whose sum is 134784000
The reverse of 78442994 is 49924487
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million four hundred forty-two thousand nine hundred ninety-four
Scientific notation
7.8442994 × 10^7
Engineering notation
7.8442994 × 10^6
Prime Factorization
2 × 7 × 449 × 12479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78442994
Product of the distinct prime numbers
The prime factorization of 78442994 is 2 × 7 × 449 × 12479.
Since it has a total of 4 prime factors.
8 , 7 , 68 , 66 , 329 , 336 , 5045 , 8552 , 99726 , 52463 , 876235 , 901725 , 1210742 , 478220 , 13162276 , 40144459 , 488673920 , 889563118 , 3490511269 , 5493839922
n×2
156885988
n×3
235328982
n×4
313771976
n×5
392214970
n÷2
39221497
n÷3
26147664.666667
n÷3
19610748.5
n÷5
15688598.8
n2
6153303307684036
n3
4.8268353444484E+23
n4
3.7863141596355E+31
n5
2.970098189064E+39
2 √n
8856.8049543839
3 √n
428.07321439449
4 √n
94.110599585721
5 √n
37.923711343231
1 , 2 , 7 , 14 , 449 , 898 , 3143 , 6286 , 12479 , 24958 , 87353 , 174706 , 5603071 , 11206142 , 39221497 , 78442994
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
-78442993
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 78442994 can be divided by 16 positive divisors.
The sum of these divisors (counting 78442994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001111000111110010
3
Ternary
12110121022120002
4
Quaternary
10223033013302
5
Quinary
130040133434
6
Senary
11441150002
8
Octal
453170762
10
Decimal
78442994
12
Duodecimal
2232b302
16
Hexadecimal
4acf1f2
20
Vigesimal
14a579e
36
Base36
1apb02
md5
de57a7113c07fd851b71cd6e2eb4be6a
sha1
4db1282c5a2d262ab272749dd14bedc5642a1a22
sha256
1b012fff5c0e9dddb1fc09e9895bd3b3bcfdcc45e754d5be8dbecce6b454de8e
sha512
6b3bb7acd99cb09ee7582a035a9bd9e40f82079784e08a72759cd84e41f128dad82b22d625b111afe102afe3d8dc24d9b6ddbaab411eb11c160d5ccb6cc09335
ripemd-160
51c6403d6902fc6e9c82576415930f539fc09993
Diameter
156885988
Circumference
492871867.35198
Area
1.933117246673E+16
Volume
2.0218600610942E+24
Surface area
7.732468986692E+16
Circumference
492871867.35198
Perimeter
313771976
Area
6153303307684036
Diagonal
110935145.98795
Surface area
36919819846104216
Volume
4.8268353444484E+23
Space diagonal
135867251.10582
Perimeter
235328982
Area
2.6644584908226E+15
Altitude
67933625.55291
Surface area
2.6644584908226E+15
Volume
5.6884800062173E+22
Height
36978381.995984