78857805 is an odd 8-digits composite number following 78857804
and preceding 78857806 . In scientific notation, it is written as 7.8857805 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 38822208 positive integers (up to 78857805) that are relatively prime to 78857805.
78857805 has 16 divisors, whose sum is 135878400
The reverse of 78857805 is 50875887
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million eight hundred fifty-seven thousand eight hundred five
Scientific notation
7.8857805 × 10^7
Engineering notation
7.8857805 × 10^6
Prime Factorization
3 × 5 × 13 × 404399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78857805
Product of the distinct prime numbers
The prime factorization of 78857805 is 3 × 5 × 13 × 404399.
Since it has a total of 4 prime factors.
4 , 10 , 85 , 29 , 986 , 239 , 3833 , 5836 , 42775 , 41730 , 129535 , 350762 , 7013302 , 7613296 , 13354315 , 61061264 , 160248921 , 339867745 , 1858953879 , 9254324245
n×2
157715610
n×3
236573415
n×4
315431220
n×5
394289025
n÷2
39428902.5
n÷3
26285935
n÷3
19714451.25
n÷5
15771561
n2
6218553409418025
n3
4.9038147214197E+23
n4
3.8670406505785E+31
n5
3.0494633755039E+39
2 √n
8880.1917209033
3 √n
428.82644671537
4 √n
94.234769172017
5 √n
37.963735320081
1 , 3 , 5 , 13 , 15 , 39 , 65 , 195 , 404399 , 1213197 , 2021995 , 5257187 , 6065985 , 15771561 , 26285935 , 78857805
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
-78857804
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 78857805 can be divided by 16 positive divisors.
The sum of these divisors (counting 78857805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110100011001001101
3
Ternary
12111101101120110
4
Quaternary
10230310121031
5
Quinary
130141422210
6
Senary
11454110233
8
Octal
454643115
10
Decimal
78857805
12
Duodecimal
224ab379
16
Hexadecimal
4b3464d
20
Vigesimal
14ch4a5
36
Base36
1ay72l
md5
c8a1b2c44cf8a6f9a3748023eee1a794
sha1
7ac89e78170513a62cc123798f51dc25b0ef5673
sha256
19376e9dea043aae5bfa5d14ad4f28222e3f5f6ef2e64669c8197b0dbb67a58c
sha512
d0d66a1fcf995b1f8acf16a717d03461a76b3efeb6342b7ca2ddc989ca4eb29e8df17ce2dd5d078942d957c6b61c4d11771d9092cac122f90790278225862bbc
ripemd-160
31a99796a663c1abd6f67cbafc3fb7b267a36775
Diameter
157715610
Circumference
495478201.73243
Area
1.9536161706983E+16
Volume
2.054105107117E+24
Surface area
7.8144646827934E+16
Circumference
495478201.73243
Perimeter
315431220
Area
6218553409418025
Diagonal
111521777.32997
Surface area
37311320456508150
Volume
4.9038147214197E+23
Space diagonal
136585724.83336
Perimeter
236573415
Area
2.6927126136732E+15
Altitude
68292862.41668
Surface area
2.6927126136732E+15
Volume
5.7792010719972E+22
Height
37173925.776658