78820312 is an even 8-digits composite number following 78820311
and preceding 78820313 . In scientific notation, it is written as 7.8820312 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 39410152 positive integers (up to 78820312) that are relatively prime to 78820312.
78820312 has 8 divisors, whose sum is 147788100
The reverse of 78820312 is 21302887
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-eight million eight hundred twenty thousand three hundred twelve
Scientific notation
7.8820312 × 10^7
Engineering notation
7.8820312 × 10^6
Prime Factorization
2 × 2 × 2 × 9852539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19705078
Product of the distinct prime numbers
The prime factorization of 78820312 is 2 × 2 × 2 × 9852539.
Since it has a total of 4 prime factors.
10 , 10 , 52 , 29 , 768 , 76 , 2737 , 7216 , 44097 , 37605 , 581109 , 694118 , 2274139 , 5251263 , 97822401 , 69522020 , 678329576 , 259631838 , 3652640679 , 2196102198
n×2
157640624
n×3
236460936
n×4
315281248
n×5
394101560
n÷2
39410156
n÷3
26273437.333333
n÷3
19705078
n÷5
15764062.4
n2
6212641583777344
n3
4.896823479775E+23
n4
3.8596915448479E+31
n5
3.0422209178868E+39
2 √n
8878.0804231545
3 √n
428.75847399436
4 √n
94.223566177228
5 √n
37.960124656296
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
-78820311
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 78820312 can be divided by 8 positive divisors.
The sum of these divisors (counting 78820312) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100101011001111011000
3
Ternary
12111022111010211
4
Quaternary
10230223033120
5
Quinary
130134222222
6
Senary
11453220504
8
Octal
454531730
10
Decimal
78820312
12
Duodecimal
22491734
16
Hexadecimal
4b2b3d8
20
Vigesimal
14ccafc
36
Base36
1axe54
md5
dcd006280e3f37316094277e41c7d870
sha1
e420be0dabe8298a88824bb14948ecf70f103de5
sha256
017f660d9245987207194821f75096db389e36df0c6ff84d2da433e2f20f4e4e
sha512
4a291111e1a1b854226b03693c9871baab37c99f5052486483051db6c7272e55acd6eb90c17d82337895560113ba046f078cc7db4cf425f6b7ef286b0bd592c7
ripemd-160
cc97357c50f45d6db9a64ea3572338644bfbe1bc
Diameter
157640624
Circumference
495242626.26571
Area
1.9517589158981E+16
Volume
2.051176622665E+24
Surface area
7.8070356635925E+16
Circumference
495242626.26571
Perimeter
315281248
Area
6212641583777344
Diagonal
111468754.22088
Surface area
37275849502664064
Volume
4.896823479775E+23
Space diagonal
136520785.05243
Perimeter
236460936
Area
2.6901527180794E+15
Altitude
68260392.526215
Surface area
2.6901527180794E+15
Volume
5.7709618147041E+22
Height
37156251.40696