78840290 is an even 8-digits composite number following 78840289
and preceding 78840291 . In scientific notation, it is written as 7.8840290 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 31536112 positive integers (up to 78840290) that are relatively prime to 78840290.
78840290 has 8 divisors, whose sum is 141912540
The reverse of 78840290 is 09204887
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million eight hundred forty thousand two hundred ninety
Scientific notation
7.8840290 × 10^7
Engineering notation
7.8840290 × 10^6
Prime Factorization
2 × 5 × 7884029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78840290
Product of the distinct prime numbers
The prime factorization of 78840290 is 2 × 5 × 7884029.
Since it has a total of 3 prime factors.
6 , 10 , 19 , 40 , 57 , 129 , 2171 , 8612 , 3404 , 81509 , 9164 , 97820 , 9547852 , 6758162 , 58591732 , 69296912 , 785959306 , 841845470 , 1347891161 , 8792159204
n×2
157680580
n×3
236520870
n×4
315361160
n×5
394201450
n÷2
39420145
n÷3
26280096.666667
n÷3
19710072.5
n÷5
15768058
n2
6215791327284100
n3
4.9005479082256E+23
n4
3.863606182434E+31
n5
3.0460783186889E+39
2 √n
8879.2054824742
3 √n
428.79469567792
4 √n
94.229536146976
5 √n
37.962048755493
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78840289
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78840290 can be divided by 8 positive divisors.
The sum of these divisors (counting 78840290) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100110000000111100010
3
Ternary
12111100111112202
4
Quaternary
10230300013202
5
Quinary
130140342130
6
Senary
11453453202
8
Octal
454600742
10
Decimal
78840290
12
Duodecimal
224a1202
16
Hexadecimal
4b301e2
20
Vigesimal
14cf0ea
36
Base36
1axtk2
md5
92eabc8d8a146cbaa4d1ed762fcbe787
sha1
c6573ff9edcc779e52fa0a6edec0c77212f824db
sha256
cd5042a54aa282854eab5f8539198b5d79fee2536e96d0f9b28e8ea7a46edb15
sha512
943e6c26cfcbe7e116a8f43c59867f354113e280e7ade6b06e07d3ac638011d84912b3aef5e676e83a09ae788bf15e384c5e2d41df4470dda349f74f96847d7c
ripemd-160
44f52096d8020dea9746f8475b483cce864b85aa
Diameter
157680580
Circumference
495368151.74178
Area
1.9527484370043E+16
Volume
2.0527367076062E+24
Surface area
7.8109937480172E+16
Circumference
495368151.74178
Perimeter
315361160
Area
6215791327284100
Diagonal
111497007.37943
Surface area
37294747963704600
Volume
4.9005479082256E+23
Space diagonal
136555387.96346
Perimeter
236520870
Area
2.6915165970255E+15
Altitude
68277693.981732
Surface area
2.6915165970255E+15
Volume
5.7753510957265E+22
Height
37165669.126476