78138766 is an even 8-digits composite number following 78138765
and preceding 78138767 . In scientific notation, it is written as 7.8138766 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 36252160 positive integers (up to 78138766) that are relatively prime to 78138766.
78138766 has 16 divisors, whose sum is 125854560
The reverse of 78138766 is 66783187
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-eight million one hundred thirty-eight thousand seven hundred sixty-six
Scientific notation
7.8138766 × 10^7
Engineering notation
7.8138766 × 10^6
Prime Factorization
2 × 17 × 71 × 32369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78138766
Product of the distinct prime numbers
The prime factorization of 78138766 is 2 × 17 × 71 × 32369.
Since it has a total of 4 prime factors.
1 , 5 , 45 , 58 , 831 , 155 , 8723 , 3344 , 56404 , 26084 , 749840 , 516671 , 2565725 , 5744183 , 82968607 , 48100767 , 193683880 , 216679009 , 5539507943 , 7645005223
n×2
156277532
n×3
234416298
n×4
312555064
n×5
390693830
n÷2
39069383
n÷3
26046255.333333
n÷3
19534691.5
n÷5
15627753.2
n2
6105666752002756
n3
4.7708926560872E+23
n4
3.7279166486512E+31
n5
2.9129480667646E+39
2 √n
8839.6134530872
3 √n
427.51909402536
4 √n
94.019218530507
5 √n
37.894249451322
1 , 2 , 17 , 34 , 71 , 142 , 1207 , 2414 , 32369 , 64738 , 550273 , 1100546 , 2298199 , 4596398 , 39069383 , 78138766
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
-78138765
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 78138766 can be divided by 16 positive divisors.
The sum of these divisors (counting 78138766) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000100110110001110
3
Ternary
12110000212020101
4
Quaternary
10222010312032
5
Quinary
130000420031
6
Senary
11430441314
8
Octal
452046616
10
Decimal
78138766
12
Duodecimal
2220323a
16
Hexadecimal
4a84d8e
20
Vigesimal
14876i6
36
Base36
1ais9a
md5
72ad890e9eba225ee68bfcb3ab60c707
sha1
3479f8392cdcc6a697e0572e5c5747ea1c8be515
sha256
6a97bf5ae6ef60524676271dee34d462cdf3c0f2e78af4d66b77c849949e14a0
sha512
53a5838e360a6966990672619f846aa20186183ed5b9e2ead7e455a11382bb07534d7965ea6f94593b151c70513bd201b3d6ec047407c47dfe36e5654a246a34
ripemd-160
6532b0c7d057e168c47972f57af8cf745dd24c15
Diameter
156277532
Circumference
490960346.45234
Area
1.9181517813359E+16
Volume
1.9984268425906E+24
Surface area
7.6726071253437E+16
Circumference
490960346.45234
Perimeter
312555064
Area
6105666752002756
Diagonal
110504902.6243
Surface area
36634000512016536
Volume
4.7708926560872E+23
Space diagonal
135340312.75274
Perimeter
234416298
Area
2.6438312571382E+15
Altitude
67670156.376368
Surface area
2.6438312571382E+15
Volume
5.6225509157206E+22
Height
36834967.541433