79781385 is an odd 8-digits composite number following 79781384
and preceding 79781386 . In scientific notation, it is written as 7.9781385 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 42550064 positive integers (up to 79781385) that are relatively prime to 79781385.
79781385 has 8 divisors, whose sum is 127650240
The reverse of 79781385 is 58318797
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-nine million seven hundred eighty-one thousand three hundred eighty-five
Scientific notation
7.9781385 × 10^7
Engineering notation
7.9781385 × 10^6
Prime Factorization
3 × 5 × 5318759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
79781385
Product of the distinct prime numbers
The prime factorization of 79781385 is 3 × 5 × 5318759.
Since it has a total of 3 prime factors.
6 , 7 , 3 , 30 , 72 , 285 , 744 , 6883 , 84776 , 42319 , 730351 , 442258 , 192394 , 5009216 , 17107145 , 13165536 , 254939274 , 856839405 , 9701348374 , 4978309138
n×2
159562770
n×3
239344155
n×4
319125540
n×5
398906925
n÷2
39890692.5
n÷3
26593795
n÷3
19945346.25
n÷5
15956277
n2
6365069392518225
n3
5.0781405175621E+23
n4
4.0514108371572E+31
n5
3.2322716779241E+39
2 √n
8932.0425995402
3 √n
430.4940868258
4 √n
94.509484177728
5 √n
38.052247626558
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
-79781384
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 79781385 can be divided by 8 positive divisors.
The sum of these divisors (counting 79781385) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000010101111000001001
3
Ternary
12120010022111010
4
Quaternary
10300111320021
5
Quinary
130411001020
6
Senary
11525554133
8
Octal
460257011
10
Decimal
79781385
12
Duodecimal
22875949
16
Hexadecimal
4c15e09
20
Vigesimal
14icd95
36
Base36
1bhzpl
md5
029398815ac03779d4097e5e19507b20
sha1
455e7dbfb92f0d78de1607d7f8de50f3768c6a7d
sha256
ef4e2eeb758990b8dd03811c7965f869baa8b55c0fe069887b715afc89125e7a
sha512
0484d52c2006ab44cc06343b66ad29473bf5b4367a41463b8861a1b93dafb45ee5cc656b7d9e763b68d46a85d849b1bb4f17e2f04a909c293dbeb51d1f86c843
ripemd-160
0379c7a06d3d1ed2d518d3a0ea6ba6c0d154af10
Diameter
159562770
Circumference
501281226.01844
Area
1.9996455243125E+16
Volume
2.1271265258493E+24
Surface area
7.9985820972498E+16
Circumference
501281226.01844
Perimeter
319125540
Area
6365069392518225
Diagonal
112827916.69191
Surface area
38190416355109350
Volume
5.0781405175621E+23
Space diagonal
138185412.31821
Perimeter
239344155
Area
2.7561558953858E+15
Altitude
69092706.159107
Surface area
2.7561558953858E+15
Volume
5.9846459929772E+22
Height
37609305.56397