78164961 is an odd 8-digits composite number following 78164960
and preceding 78164962 . In scientific notation, it is written as 7.8164961 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 44568144 positive integers (up to 78164961) that are relatively prime to 78164961.
78164961 has 16 divisors, whose sum is 119368704
The reverse of 78164961 is 16946187
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred sixty-four thousand nine hundred sixty-one
Scientific notation
7.8164961 × 10^7
Engineering notation
7.8164961 × 10^6
Prime Factorization
3 × 7 × 487 × 7643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78164961
Product of the distinct prime numbers
The prime factorization of 78164961 is 3 × 7 × 487 × 7643.
Since it has a total of 4 prime factors.
7 , 6 , 47 , 73 , 31 , 584 , 3760 , 6431 , 60773 , 25134 , 374993 , 237398 , 8257252 , 5621964 , 86913072 , 95738006 , 216670230 , 619974287 , 5218453010 , 4147646460
n×2
156329922
n×3
234494883
n×4
312659844
n×5
390824805
n÷2
39082480.5
n÷3
26054987
n÷3
19541240.25
n÷5
15632992.2
n2
6109761128131521
n3
4.7756924029972E+23
n4
3.7329181042827E+31
n5
2.9178339803745E+39
2 √n
8841.095011366
3 √n
427.56686208403
4 √n
94.027097218653
5 √n
37.896789821062
1 , 3 , 7 , 21 , 487 , 1461 , 3409 , 7643 , 10227 , 22929 , 53501 , 160503 , 3722141 , 11166423 , 26054987 , 78164961
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
-78164960
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 78164961 can be divided by 16 positive divisors.
The sum of these divisors (counting 78164961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001011001111100001
3
Ternary
12110002012011120
4
Quaternary
10222023033201
5
Quinary
130002234321
6
Senary
11431202453
8
Octal
452131741
10
Decimal
78164961
12
Duodecimal
22216429
16
Hexadecimal
4a8b3e1
20
Vigesimal
148ac81
36
Base36
1ajcgx
md5
957f453f654ae2167ab1e7be53ee9e21
sha1
b5ee870d2fd4e95aa21cbebd5e0a6f938f3bb74e
sha256
7f52de6f4194d24e98f3476c5b6d71641639f859ce263f7bd0821835f7102b90
sha512
f88c71c4650e6957c99aa3ad5256145fe68179ad39590e1d18421284b594cfae28f84ea54815ae64d696f6666eb802084674254bdcd83fd0138ea49f2b8d3765
ripemd-160
7910a35ab74a59adf7cde46fcae432cf859d87d4
Diameter
156329922
Circumference
491124934.49147
Area
1.9194380675326E+16
Volume
2.0004373558747E+24
Surface area
7.6777522701306E+16
Circumference
491124934.49147
Perimeter
312659844
Area
6109761128131521
Diagonal
110541947.94856
Surface area
36658566768789126
Volume
4.7756924029972E+23
Space diagonal
135385683.82364
Perimeter
234494883
Area
2.6456041740083E+15
Altitude
67692841.91182
Surface area
2.6456041740083E+15
Volume
5.6282074717006E+22
Height
36847315.982855