78490908 is an even 8-digits composite number following 78490907
and preceding 78490909 . In scientific notation, it is written as 7.8490908 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 26163624 positive integers (up to 78490908) that are relatively prime to 78490908.
78490908 has 12 divisors, whose sum is 152621280
The reverse of 78490908 is 80909487
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred ninety thousand nine hundred eight
Scientific notation
7.8490908 × 10^7
Engineering notation
7.8490908 × 10^6
Prime Factorization
2 × 2 × 9 × 2180303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39245454
Product of the distinct prime numbers
The prime factorization of 78490908 is 2 × 2 × 9 × 2180303.
Since it has a total of 4 prime factors.
4 , 8 , 64 , 19 , 597 , 979 , 2450 , 1922 , 88592 , 28788 , 374729 , 29436 , 2495731 , 6457626 , 38616347 , 4594484 , 6857680 , 228309058 , 9923970330 , 6192862177
n×2
156981816
n×3
235472724
n×4
313963632
n×5
392454540
n÷2
39245454
n÷3
26163636
n÷3
19622727
n÷5
15698181.6
n2
6160822638664464
n3
4.8356856293573E+23
n4
3.7955735585081E+31
n5
2.9791801498809E+39
2 √n
8859.5094672335
3 √n
428.16035421539
4 √n
94.124967289415
5 √n
37.928343070853
1 , 2 , 4 , 9 , 18 , 36 , 2180303 , 4360606 , 8721212 , 19622727 , 39245454 , 78490908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78490907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78490908 can be divided by 12 positive divisors.
The sum of these divisors (counting 78490908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011011010110100011100
3
Ternary
12110200202021200
4
Quaternary
10223122310130
5
Quinary
130043202113
6
Senary
11442155500
8
Octal
453326434
10
Decimal
78490908
12
Duodecimal
22352b90
16
Hexadecimal
4adad1c
20
Vigesimal
14ab758
36
Base36
1aqbz0
md5
31caec7ee2756a7d2d14e849b4332f54
sha1
8b3ff77083ee36c06d33d39542ea1a8a27846e6a
sha256
46526bfb14e35ac013d17d5e3409bdd9d86c0671fba13e39d4826462a98609f0
sha512
dd51853ebe58fd6640b6a26be7600785d52ef44bc53b5407da626b8d4e159a49f11561106abb0fa94994e59458a65279bcfe9247742f5450c869e504c4ec1979
ripemd-160
750e58f9638dc99e066ae62241c5b1931d44026c
Diameter
156981816
Circumference
493172919.89278
Area
1.9354795141698E+16
Volume
2.0255672597678E+24
Surface area
7.7419180566792E+16
Circumference
493172919.89278
Perimeter
313963632
Area
6160822638664464
Diagonal
111002906.61658
Surface area
36964935831986784
Volume
4.8356856293573E+23
Space diagonal
135950240.58821
Perimeter
235472724
Area
2.6677144566469E+15
Altitude
67975120.294107
Surface area
2.6677144566469E+15
Volume
5.6989101670081E+22
Height
37000968.872193