78444890 is an even 8-digits composite number following 78444889
and preceding 78444891 . In scientific notation, it is written as 7.8444890 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 30461440 positive integers (up to 78444890) that are relatively prime to 78444890.
78444890 has 16 divisors, whose sum is 118826568
The reverse of 78444890 is 09844487
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million four hundred forty-four thousand eight hundred ninety
Scientific notation
7.8444890 × 10^7
Engineering notation
7.8444890 × 10^6
Prime Factorization
2 × 205 × 293 × 653
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78444890
Product of the distinct prime numbers
The prime factorization of 78444890 is 2 × 205 × 293 × 653.
Since it has a total of 4 prime factors.
6 , 9 , 85 , 57 , 523 , 813 , 2837 , 6949 , 44908 , 16676 , 124037 , 651374 , 4951600 , 8867422 , 52907884 , 5368988 , 462868084 , 819288138 , 4357624488 , 115792646
n×2
156889780
n×3
235334670
n×4
313779560
n×5
392224450
n÷2
39222445
n÷3
26148296.666667
n÷3
19611222.5
n÷5
15688978
n2
6153600767112100
n3
4.8271853528002E+23
n4
3.7866802401003E+31
n5
2.9704571489984E+39
2 √n
8856.9119900787
3 √n
428.07666326963
4 √n
94.111168253713
5 √n
37.923894667854
1 , 2 , 205 , 293 , 410 , 586 , 653 , 1306 , 60065 , 120130 , 133865 , 191329 , 267730 , 382658 , 39222445 , 78444890
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
-78444889
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 78444890 can be divided by 16 positive divisors.
The sum of these divisors (counting 78444890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001111100101011010
3
Ternary
12110121102011022
4
Quaternary
10223033211122
5
Quinary
130040214030
6
Senary
11441202442
8
Octal
453174532
10
Decimal
78444890
12
Duodecimal
22330422
16
Hexadecimal
4acf95a
20
Vigesimal
14a5c4a
36
Base36
1apcgq
md5
2db25a4a27d8a5429d3035f4cc8c70a6
sha1
e33669e3a1bb40389c238969c6d45a97c5227878
sha256
22518b21989026934137ee90073df77470d64178ecc06049f315c18cd2729a2e
sha512
a86a3878354dd76360bc146faa77031e49c253f7342814234335807c6c6ca761966d0de32a6bc2f3fc44b07010b06bb043326281ebb46751ba82dc5fc66b8346
ripemd-160
04f1a436df7b19a21689b481792074e5449bf98f
Diameter
156889780
Circumference
492883780.27132
Area
1.9332106963084E+16
Volume
2.0220066722498E+24
Surface area
7.7328427852336E+16
Circumference
492883780.27132
Perimeter
313779560
Area
6153600767112100
Diagonal
110937827.33687
Surface area
36921604602672600
Volume
4.8271853528002E+23
Space diagonal
135870535.07415
Perimeter
235334670
Area
2.6645872945332E+15
Altitude
67935267.537076
Surface area
2.6645872945332E+15
Volume
5.6888924950157E+22
Height
36979275.778955