78485870 is an even 8-digits composite number following 78485869
and preceding 78485871 . In scientific notation, it is written as 7.8485870 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 31193760 positive integers (up to 78485870) that are relatively prime to 78485870.
78485870 has 16 divisors, whose sum is 142177248
The reverse of 78485870 is 07858487
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million four hundred eighty-five thousand eight hundred seventy
Scientific notation
7.8485870 × 10^7
Engineering notation
7.8485870 × 10^6
Prime Factorization
2 × 5 × 157 × 49991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78485870
Product of the distinct prime numbers
The prime factorization of 78485870 is 2 × 5 × 157 × 49991.
Since it has a total of 4 prime factors.
3 , 8 , 56 , 57 , 237 , 581 , 2637 , 7045 , 62258 , 26096 , 176538 , 845030 , 5071337 , 8144211 , 40294632 , 47114306 , 995707791 , 463286994 , 2500215252 , 60234558
n×2
156971740
n×3
235457610
n×4
313943480
n×5
392429350
n÷2
39242935
n÷3
26161956.666667
n÷3
19621467.5
n÷5
15697174
n2
6160031789656900
n3
4.8347545423888E+23
n4
3.7945991649584E+31
n5
2.9782241676303E+39
2 √n
8859.2251354168
3 √n
428.15119341757
4 √n
94.123456881995
5 √n
37.92785616631
1 , 2 , 5 , 10 , 157 , 314 , 785 , 1570 , 49991 , 99982 , 249955 , 499910 , 7848587 , 15697174 , 39242935 , 78485870
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
-78485869
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 78485870 can be divided by 16 positive divisors.
The sum of these divisors (counting 78485870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011011001100101101110
3
Ternary
12110200111101002
4
Quaternary
10223121211232
5
Quinary
130043021440
6
Senary
11442120302
8
Octal
453314556
10
Decimal
78485870
12
Duodecimal
22350092
16
Hexadecimal
4ad996e
20
Vigesimal
14aaeda
36
Base36
1aq832
md5
2f345a1be9e1e4f5dbb8da8ad10a101a
sha1
7096dfb1202c1572e9999d6657445ceded392495
sha256
6e06fc3869e5be2ac2581351ef9e8c284210802c6607a925746f7f94ed32cd11
sha512
e4697dfcda0af73397529f9f8162e040bb7a76fb0c0e0b7d04e029a0ae0185c555e5aecc4501174f0b18d45a01bcab186ce6224f77f15e9821bf50eba45e2a18
ripemd-160
85219d5004873f3e402267e511c5750822ce304a
Diameter
156971740
Circumference
493141265.20521
Area
1.9352310616266E+16
Volume
2.0251772469705E+24
Surface area
7.7409242465063E+16
Circumference
493141265.20521
Perimeter
313943480
Area
6160031789656900
Diagonal
110995781.80865
Surface area
36960190737941400
Volume
4.8347545423888E+23
Space diagonal
135941514.51625
Perimeter
235457610
Area
2.6673720089813E+15
Altitude
67970757.258123
Surface area
2.6673720089813E+15
Volume
5.6978128704926E+22
Height
36998593.936217