78164489 is an odd 8-digits composite number following 78164488
and preceding 78164490 . In scientific notation, it is written as 7.8164489 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 71902080 positive integers (up to 78164489) that are relatively prime to 78164489.
78164489 has 8 divisors, whose sum is 84468552
The reverse of 78164489 is 98446187
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million one hundred sixty-four thousand four hundred eighty-nine
Scientific notation
7.8164489 × 10^7
Engineering notation
7.8164489 × 10^6
Prime Factorization
293 × 13 × 20521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78164489
Product of the distinct prime numbers
The prime factorization of 78164489 is 293 × 13 × 20521.
Since it has a total of 3 prime factors.
4 , 6 , 48 , 69 , 899 , 740 , 3647 , 3804 , 51169 , 67751 , 60997 , 250309 , 8156385 , 2462645 , 61001891 , 32388722 , 636501603 , 466919265 , 3211130330 , 9032575057
n×2
156328978
n×3
234493467
n×4
312657956
n×5
390822445
n÷2
39082244.5
n÷3
26054829.666667
n÷3
19541122.25
n÷5
15632897.8
n2
6109687340631121
n3
4.775605889302E+23
n4
3.7328279400268E+31
n5
2.9177458845712E+39
2 √n
8841.0683177996
3 √n
427.56600145986
4 √n
94.026955272409
5 √n
37.896744052913
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
-78164488
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 78164489 can be divided by 8 positive divisors.
The sum of these divisors (counting 78164489) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010001011001000001001
3
Ternary
12110002011112002
4
Quaternary
10222023020021
5
Quinary
130002230424
6
Senary
11431200345
8
Octal
452131011
10
Decimal
78164489
12
Duodecimal
222160b5
16
Hexadecimal
4a8b209
20
Vigesimal
148ab49
36
Base36
1ajc3t
md5
72a00b46774a28644178fbdfe14fbdf1
sha1
1967a5857db57cd94b4ea5f3e8f65f8bb1ecad3b
sha256
7de884aadb04e66ef27dd06f5936f79b89a3aece989b177c411707ff06963456
sha512
85a2e7a9ee38dd09afeb1e290c5d3e98798be5efa9db12f0329de9df239562d4bdac1c14773539bfad1db06afd76feec3572080f0db4a8c385c42d8a2e40bd32
ripemd-160
082867ef2d0ec7b8b252ae5d9c84f1af9d00c323
Diameter
156328978
Circumference
491121968.828
Area
1.9194148865057E+16
Volume
2.0004011171028E+24
Surface area
7.6776595460229E+16
Circumference
491121968.828
Perimeter
312657956
Area
6109687340631121
Diagonal
110541280.43976
Surface area
36658124043786726
Volume
4.775605889302E+23
Space diagonal
135384866.29566
Perimeter
234493467
Area
2.6455722230834E+15
Altitude
67692433.147829
Surface area
2.6455722230834E+15
Volume
5.6281055143331E+22
Height
36847093.479921