78161161 is an odd 8-digits composite number following 78161160
and preceding 78161162 . In scientific notation, it is written as 7.8161161 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 72064080 positive integers (up to 78161161) that are relatively prime to 78161161.
78161161 has 8 divisors, whose sum is 84272384
The reverse of 78161161 is 16116187
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-eight million one hundred sixty-one thousand one hundred sixty-one
Scientific notation
7.8161161 × 10^7
Engineering notation
7.8161161 × 10^6
Prime Factorization
13 × 991 × 6067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78161161
Product of the distinct prime numbers
The prime factorization of 78161161 is 13 × 991 × 6067.
Since it has a total of 3 prime factors.
10 , 1 , 45 , 32 , 805 , 687 , 4971 , 4776 , 13193 , 12974 , 547782 , 495285 , 8281482 , 7923428 , 58860876 , 52580463 , 58889490 , 728606790 , 3301872485 , 4538335063
n×2
156322322
n×3
234483483
n×4
312644644
n×5
390805805
n÷2
39080580.5
n÷3
26053720.333333
n÷3
19540290.25
n÷5
15632232.2
n2
6109167088867921
n3
4.7749959240891E+23
n4
3.7321922519707E+31
n5
2.9171247948923E+39
2 √n
8840.8801032476
3 √n
427.55993323175
4 √n
94.025954412852
5 √n
37.896421342398
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
-78161160
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 78161161 can be divided by 8 positive divisors.
The sum of these divisors (counting 78161161) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010001010010100001001
3
Ternary
12110001222221211
4
Quaternary
10222022110021
5
Quinary
130002124121
6
Senary
11431133121
8
Octal
452122411
10
Decimal
78161161
12
Duodecimal
222141a1
16
Hexadecimal
4a8a509
20
Vigesimal
148a2i1
36
Base36
1aj9jd
md5
62e83e5174915f8b28f97c0d860d72ee
sha1
d4e9c3d47e05e50955253cb1d5afc4f6e60f7544
sha256
8eda2442e35234e8dba25eefa9e03534e4c6a81f6d5383959af986d6db1ed5bb
sha512
3b9d07d59d75831ca142c3ba891aa10c44d5452080b3488fea37e6df4385553c7072d51c9b76712c26654e2c362f45d4c66439bedb7963694028bca6a01c792f
ripemd-160
8c416eb14d82c60e59feaa7e2097d1fb8ddc255c
Diameter
156322322
Circumference
491101058.3873
Area
1.919251444594E+16
Volume
2.0001456154719E+24
Surface area
7.677005778376E+16
Circumference
491101058.3873
Perimeter
312644644
Area
6109167088867921
Diagonal
110536573.93703
Surface area
36655002533207526
Volume
4.7749959240891E+23
Space diagonal
135379102.03057
Perimeter
234483483
Area
2.6453469474617E+15
Altitude
67689551.015286
Surface area
2.6453469474617E+15
Volume
5.6273866634358E+22
Height
36845524.645676