78394489 is an odd 8-digits composite number following 78394488
and preceding 78394490 . In scientific notation, it is written as 7.8394489 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 77224356 positive integers (up to 78394489) that are relatively prime to 78394489.
78394489 has 4 divisors, whose sum is 79564624
The reverse of 78394489 is 98449387
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million three hundred ninety-four thousand four hundred eighty-nine
Scientific notation
7.8394489 × 10^7
Engineering notation
7.8394489 × 10^6
Prime Factorization
67 × 1170067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78394489
Product of the distinct prime numbers
The prime factorization of 78394489 is 67 × 1170067.
Since it has a total of 2 prime factors.
4 , 5 , 100 , 15 , 605 , 622 , 7979 , 1110 , 10126 , 84239 , 926045 , 431712 , 5262581 , 3169606 , 40150913 , 5590960 , 947410636 , 680990865 , 8238093249 , 6284820472
n×2
156788978
n×3
235183467
n×4
313577956
n×5
391972445
n÷2
39197244.5
n÷3
26131496.333333
n÷3
19598622.25
n÷5
15678897.8
n2
6145695905571121
n3
4.8178869006664E+23
n4
3.7769578163754E+31
n5
2.960926779893E+39
2 √n
8854.0662409991
3 √n
427.98496358798
4 √n
94.096047956325
5 √n
37.919020179187
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78394488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78394489 can be divided by 4 positive divisors.
The sum of these divisors (counting 78394489) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011000011010001111001
3
Ternary
12110111212000121
4
Quaternary
10223003101321
5
Quinary
130032110424
6
Senary
11440133241
8
Octal
453032171
10
Decimal
78394489
12
Duodecimal
22307221
16
Hexadecimal
4ac3479
20
Vigesimal
149j649
36
Base36
1ao9kp
md5
fc03fe30b2c1e2e41e5fe94ccd3efe63
sha1
6c7ea5fc7d037a70f76cf90a0aab1d88562b1951
sha256
e27c579c69f6dcb355656a26be9d5295ca2a87793b13f2bbcb0c2ab160f14349
sha512
8da53cd62729a32bd59a354cc24a54210b61b48092791d37e2ea5664bf85973b079ad5aeeaadf06daa2c979ff78f4a73daceb90391749bbef2ef4adc7483d168
ripemd-160
0f3bd8cf6582e544f061eec8d1ea507b2f475135
Diameter
156788978
Circumference
492567101.44865
Area
1.9307273108139E+16
Volume
2.018111745728E+24
Surface area
7.7229092432556E+16
Circumference
492567101.44865
Perimeter
313577956
Area
6145695905571121
Diagonal
110866549.55911
Surface area
36874175433426726
Volume
4.8178869006664E+23
Space diagonal
135783237.9814
Perimeter
235183467
Area
2.6611643890793E+15
Altitude
67891618.9907
Surface area
2.6611643890793E+15
Volume
5.6779341640851E+22
Height
36955516.519703