78161825 is an odd 8-digits composite number following 78161824
and preceding 78161826 . In scientific notation, it is written as 7.8161825 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 53406720 positive integers (up to 78161825) that are relatively prime to 78161825.
78161825 has 8 divisors, whose sum is 78887424
The reverse of 78161825 is 52816187
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million one hundred sixty-one thousand eight hundred twenty-five
Scientific notation
7.8161825 × 10^7
Engineering notation
7.8161825 × 10^6
Prime Factorization
175 × 367 × 1217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78161825
Product of the distinct prime numbers
The prime factorization of 78161825 is 175 × 367 × 1217.
Since it has a total of 3 prime factors.
10 , 8 , 72 , 49 , 43 , 167 , 8427 , 1130 , 73126 , 42353 , 959629 , 929863 , 9653691 , 6813089 , 68085165 , 54160501 , 106195902 , 984025526 , 8514796738 , 3348230828
n×2
156323650
n×3
234485475
n×4
312647300
n×5
390809125
n÷2
39080912.5
n÷3
26053941.666667
n÷3
19540456.25
n÷5
15632365
n2
6109270887330625
n3
4.7751176197313E+23
n4
3.7323190774786E+31
n5
2.9172487057804E+39
2 √n
8840.9176559902
3 √n
427.56114397371
4 √n
94.026154106133
5 √n
37.89648573023
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
-78161824
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 78161825 can be divided by 8 positive divisors.
The sum of these divisors (counting 78161825) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010001010011110100001
3
Ternary
12110002000212102
4
Quaternary
10222022132201
5
Quinary
130002134300
6
Senary
11431140145
8
Octal
452123641
10
Decimal
78161825
12
Duodecimal
22214655
16
Hexadecimal
4a8a7a1
20
Vigesimal
148a4b5
36
Base36
1aja1t
md5
64e08a9b779e1724ea780be9530da443
sha1
786811c30184eda4a2b7e060ff1c95bf0ea0e720
sha256
cb6e6cd0fd65c12e7ab6e90054e971e36c7e82618b2d71e056b1d8708f01b200
sha512
247ad16e9746ac8aae584f8848a41b29ffecbd89e29d2885a37cc1e00b20aed9f1eb409fe369daf13d2e46d7a3aaae1ff3e2c84fb909e355d13a5b52020d0b41
ripemd-160
fbdb1e695cb9d7dbc339f3cb673eddbfa2eec7d0
Diameter
156323650
Circumference
491105230.42234
Area
1.9192840538428E+16
Volume
2.0001965912233E+24
Surface area
7.6771362153712E+16
Circumference
491105230.42234
Perimeter
312647300
Area
6109270887330625
Diagonal
110537512.97483
Surface area
36655625323983750
Volume
4.7751176197313E+23
Space diagonal
135380252.11231
Perimeter
234485475
Area
2.6453918935145E+15
Altitude
67690126.056154
Surface area
2.6453918935145E+15
Volume
5.6275300831256E+22
Height
36845837.658277