78161409 is an odd 8-digits composite number following 78161408
and preceding 78161410 . In scientific notation, it is written as 7.8161409 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 50310288 positive integers (up to 78161409) that are relatively prime to 78161409.
78161409 has 16 divisors, whose sum is 119788800
The reverse of 78161409 is 90416187
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million one hundred sixty-one thousand four hundred nine
Scientific notation
7.8161409 × 10^7
Engineering notation
7.8161409 × 10^6
Prime Factorization
3 × 3 × 3 × 29 × 99823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
8684601
Product of the distinct prime numbers
The prime factorization of 78161409 is 3 × 3 × 3 × 29 × 99823.
Since it has a total of 5 prime factors.
1 , 4 , 41 , 87 , 471 , 816 , 1735 , 3005 , 47349 , 65470 , 920657 , 534058 , 9074637 , 2756630 , 20591455 , 95920342 , 606208060 , 153354083 , 2658513703 , 4512907580
n×2
156322818
n×3
234484227
n×4
312645636
n×5
390807045
n÷2
39080704.5
n÷3
26053803
n÷3
19540352.25
n÷5
15632281.8
n2
6109205856865281
n3
4.7750413764364E+23
n4
3.7322396201557E+31
n5
2.9171710743699E+39
2 √n
8840.8941289894
3 √n
427.56038543738
4 √n
94.026028997238
5 √n
37.896445390917
1 , 3 , 9 , 27 , 29 , 87 , 261 , 783 , 99823 , 299469 , 898407 , 2695221 , 2894867 , 8684601 , 26053803 , 78161409
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
-78161408
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 78161409 can be divided by 16 positive divisors.
The sum of these divisors (counting 78161409) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001010011000000001
3
Ternary
12110002000022000
4
Quaternary
10222022120001
5
Quinary
130002131114
6
Senary
11431134213
8
Octal
452123001
10
Decimal
78161409
12
Duodecimal
22214369
16
Hexadecimal
4a8a601
20
Vigesimal
148a3a9
36
Base36
1aj9q9
md5
f277fb52cef7895ea2fbde22672933b3
sha1
5b036793bb9886d5a031ab149f2c6bea299b4afb
sha256
68bc703d723617b4f1b069c8a267465a2522d34f9f4a96052afb4d062fa4c7a3
sha512
c30515ceebdc34059ad92dc89e0ddd18ada285d817c6c54f23580078cb737e3b03531723e66d9969109f498ae76ccbcd9f320fee490f1b1d26ac2444cb780508
ripemd-160
7902c6f5b8c0dbcccd7add5822de26185718857b
Diameter
156322818
Circumference
491102616.61725
Area
1.9192636239196E+16
Volume
2.0001646545067E+24
Surface area
7.6770544956783E+16
Circumference
491102616.61725
Perimeter
312645636
Area
6109205856865281
Diagonal
110536924.66199
Surface area
36655235141191686
Volume
4.7750413764364E+23
Space diagonal
135379531.57917
Perimeter
234484227
Area
2.645363734497E+15
Altitude
67689765.789586
Surface area
2.645363734497E+15
Volume
5.6274402295409E+22
Height
36845641.553997