78448905 is an odd 8-digits composite number following 78448904
and preceding 78448906 . In scientific notation, it is written as 7.8448905 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 41838768 positive integers (up to 78448905) that are relatively prime to 78448905.
78448905 has 16 divisors, whose sum is 118805120
The reverse of 78448905 is 50984487
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred forty-eight thousand nine hundred five
Scientific notation
7.8448905 × 10^7
Engineering notation
7.8448905 × 10^6
Prime Factorization
3 × 45 × 9 × 64567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78448905
Product of the distinct prime numbers
The prime factorization of 78448905 is 3 × 45 × 9 × 64567.
Since it has a total of 4 prime factors.
10 , 3 , 77 , 60 , 468 , 62 , 3729 , 3868 , 2280 , 96037 , 652583 , 13763 , 8645803 , 1311697 , 85714071 , 71298396 , 470285573 , 873315599 , 1919684142 , 8820524587
n×2
156897810
n×3
235346715
n×4
313795620
n×5
392244525
n÷2
39224452.5
n÷3
26149635
n÷3
19612226.25
n÷5
15689781
n2
6154230695699025
n3
4.8279265919498E+23
n4
3.7874555455884E+31
n5
2.9712174028759E+39
2 √n
8857.1386463124
3 √n
428.08396647948
4 √n
94.112372440144
5 √n
37.924282867315
1 , 3 , 9 , 27 , 45 , 135 , 405 , 1215 , 64567 , 193701 , 581103 , 1743309 , 2905515 , 8716545 , 26149635 , 78448905
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
-78448904
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 78448905 can be divided by 16 positive divisors.
The sum of these divisors (counting 78448905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011010000100100001001
3
Ternary
12110121121200000
4
Quaternary
10223100210021
5
Quinary
130040331110
6
Senary
11441233213
8
Octal
453204411
10
Decimal
78448905
12
Duodecimal
22332809
16
Hexadecimal
4ad0909
20
Vigesimal
14a6255
36
Base36
1apfk9
md5
c268c28e02bb0c2388e7b52a75d514f1
sha1
a1ae97e1b1074991f8f60762eba1f65bf955f2ce
sha256
d58ed00a134744e5d747f038ed8229dbc63758efc242640b0ab9b1bdf82cb96c
sha512
33d9cd09801c637990bdbc1ecb6ca1bf0a2dd9423f8f8d5ae9a539162e97d72b01ee1547c934330c98ae18be3771bd4352cb668f0fb96104701789676ff4d51e
ripemd-160
5e8e15d793c124a8003325e03bac3fec753e661b
Diameter
156897810
Circumference
492909007.26033
Area
1.9334085942105E+16
Volume
2.0223171617787E+24
Surface area
7.7336343768419E+16
Circumference
492909007.26033
Perimeter
313795620
Area
6154230695699025
Diagonal
110943505.40432
Surface area
36925384174194150
Volume
4.8279265919498E+23
Space diagonal
135877489.25814
Perimeter
235346715
Area
2.6648600616127E+15
Altitude
67938744.629072
Surface area
2.6648600616127E+15
Volume
5.6897660537309E+22
Height
36981168.468106