78906 is an even 5-digits composite number following 78905
and preceding 78907 . In scientific notation, it is written as 7.8906 × 10^4.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 26300 positive integers (up to 78906) that are relatively prime to 78906.
78906 has 8 divisors, whose sum is 157824
The reverse of 78906 is 60987
Previous prime number is 3
Is Prime? no
Number parity even
Number length 5
Sum of Digits 30
Digital Root 3
Name
seventy-eight thousand nine hundred six
Scientific notation
7.8906 × 10^4
Engineering notation
7.8906 × 10^3
Prime Factorization
2 × 3 × 13151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78906
Product of the distinct prime numbers
The prime factorization of 78906 is 2 × 3 × 13151.
Since it has a total of 3 prime factors.
6 , 4 , 22 , 100 , 381 , 947 , 8351 , 2941 , 27085 , 6353 , 433858 , 431984 , 7626151 , 5862812 , 33030954 , 25650980 , 857640057 , 471814158 , 5734290824 , 7963076284
n×2
157812
n×3
236718
n×4
315624
n×5
394530
n÷2
39453
n÷3
26302
n÷3
19726.5
n÷5
15781.2
n2
6226156836
n3
491281131301416
n4
3.876502894647E+19
n5
3.0587933740501E+24
2 √n
280.90211818354
3 √n
42.891378992621
4 √n
16.760134790136
5 √n
9.5372244971107
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
-78905
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 78906 can be divided by 8 positive divisors.
The sum of these divisors (counting 78906) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011010000111010
3
Ternary
11000020110
4
Quaternary
103100322
5
Quinary
10011111
6
Senary
1405150
8
Octal
232072
10
Decimal
78906
12
Duodecimal
397b6
16
Hexadecimal
1343a
20
Vigesimal
9h56
36
Base36
1ovu
md5
362fa6e4d92ebf5ec1c9c1d848c5014c
sha1
adf34a0b99227bd8f5a69ffc0a5473370503fe50
sha256
0ec97fca9bfee7871c7f3ed983a1bebf18b9147fd2b289d539aef0d9591230fe
sha512
da54c632a74f2eacf4026c700f8de976a811053966947feb368622801dda59f162491f34f0a5cefee40ed863f7cdb68904332fb55df10022bf20ef23eda6c186
ripemd-160
6468c4824c64fa60e381e15fff9da1d2a218bcf2
Diameter
157812
Circumference
495781.01984831
Area
19560048576.075
Volume
2.0578735905917E+15
Surface area
78240194304.302
Circumference
495781.01984831
Perimeter
315624
Area
6226156836
Diagonal
111589.93535261
Surface area
37356941016
Volume
491281131301416
Space diagonal
136669.20102203
Perimeter
236718
Area
2696004993.9611
Altitude
68334.600511015
Surface area
2696004993.9611
Volume
57898036568705
Height
37196.645117537