78492090 is an even 8-digits composite number following 78492089
and preceding 78492091 . In scientific notation, it is written as 7.8492090 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 20905344 positive integers (up to 78492090) that are relatively prime to 78492090.
78492090 has 16 divisors, whose sum is 125742720
The reverse of 78492090 is 09029487
Previous prime number is 1579
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred ninety-two thousand ninety
Scientific notation
7.8492090 × 10^7
Engineering notation
7.8492090 × 10^6
Prime Factorization
2 × 15 × 1579 × 1657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78492090
Product of the distinct prime numbers
The prime factorization of 78492090 is 2 × 15 × 1579 × 1657.
Since it has a total of 4 prime factors.
4 , 5 , 30 , 53 , 989 , 352 , 5271 , 7508 , 84976 , 18611 , 757212 , 827485 , 1844710 , 1061767 , 99748746 , 68886462 , 297668608 , 36447114 , 4770787829 , 2367197187
n×2
156984180
n×3
235476270
n×4
313968360
n×5
392460450
n÷2
39246045
n÷3
26164030
n÷3
19623022.5
n÷5
15698418
n2
6161008192568100
n3
4.8359040954179E+23
n4
3.7958021948891E+31
n5
2.9794044750343E+39
2 √n
8859.5761749646
3 √n
428.16250343671
4 √n
94.125321646009
5 √n
37.928457303272
1 , 2 , 15 , 30 , 1579 , 1657 , 3158 , 3314 , 23685 , 24855 , 47370 , 49710 , 2616403 , 5232806 , 39246045 , 78492090
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
-78492089
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 78492090 can be divided by 16 positive divisors.
The sum of these divisors (counting 78492090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011011011000110111010
3
Ternary
12110200210220110
4
Quaternary
10223123012322
5
Quinary
130043221330
6
Senary
11442205150
8
Octal
453330672
10
Decimal
78492090
12
Duodecimal
223537b6
16
Hexadecimal
4adb1ba
20
Vigesimal
14aba4a
36
Base36
1aqcvu
md5
b7d386ff5a92ef9fdbd35a554d440956
sha1
585fffda00c02d7f6fa05e1aef37ea67c8540abe
sha256
55747250ef5d258d8d1756a45b28b1a6e22cb249e8fbe71304ee3864c2221344
sha512
f4ce13d93dfe65e4fb64f5657b81287cd7b969e9d24a37af8ebea3f77d9d46a2c0ff3c01e72044c046a2c6a699954976b5a31f9278fb1e46b5fb5d23f9a87c5c
ripemd-160
9b1befa3b7321160a4c268d1aaf7efc6791bdb33
Diameter
156984180
Circumference
493180346.61782
Area
1.9355378076478E+16
Volume
2.0256587706173E+24
Surface area
7.7421512305914E+16
Circumference
493180346.61782
Perimeter
313968360
Area
6161008192568100
Diagonal
111004578.21701
Surface area
36966049155408600
Volume
4.8359040954179E+23
Space diagonal
135952287.87227
Perimeter
235476270
Area
2.667794803844E+15
Altitude
67976143.936135
Surface area
2.667794803844E+15
Volume
5.6991676317297E+22
Height
37001526.072337