78161730 is an even 8-digits composite number following 78161729
and preceding 78161731 . In scientific notation, it is written as 7.8161730 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 20843120 positive integers (up to 78161730) that are relatively prime to 78161730.
78161730 has 16 divisors, whose sum is 187588224
The reverse of 78161730 is 03716187
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-eight million one hundred sixty-one thousand seven hundred thirty
Scientific notation
7.8161730 × 10^7
Engineering notation
7.8161730 × 10^6
Prime Factorization
2 × 3 × 5 × 2605391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78161730
Product of the distinct prime numbers
The prime factorization of 78161730 is 2 × 3 × 5 × 2605391.
Since it has a total of 4 prime factors.
9 , 8 , 56 , 65 , 77 , 934 , 8731 , 4256 , 88107 , 18853 , 434603 , 50039 , 1010585 , 3910013 , 33606855 , 4472331 , 76811704 , 250913829 , 2214634244 , 7109823400
n×2
156323460
n×3
234485190
n×4
312646920
n×5
390808650
n÷2
39080865
n÷3
26053910
n÷3
19540432.5
n÷5
15632346
n2
6109256036592900
n3
4.7751002083304E+23
n4
3.7323009320647E+31
n5
2.9172309773079E+39
2 √n
8840.9122832432
3 √n
427.56097075051
4 √n
94.026125535636
5 √n
37.896476518142
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2605391 , 5210782 , 7816173 , 13026955 , 15632346 , 26053910 , 39080865 , 78161730
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
-78161729
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 78161730 can be divided by 16 positive divisors.
The sum of these divisors (counting 78161730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001010011101000010
3
Ternary
12110002000201220
4
Quaternary
10222022131002
5
Quinary
130002133410
6
Senary
11431135510
8
Octal
452123502
10
Decimal
78161730
12
Duodecimal
22214596
16
Hexadecimal
4a8a742
20
Vigesimal
148a46a
36
Base36
1aj9z6
md5
215f72bee26dc69144fde4c512811f01
sha1
789fdab5f54dd01a3015306d8ac6025d8aa2f134
sha256
752c9e2dd24eb5d4a8657efa31f84a30ecc9c531e98033ca25117cca3052694d
sha512
a6c05c0122afe853853c2e2de4268bbe8deaf3e4b2f7c250037b26000962f8638e49257879a695285e8469d4446c95ea51c57723bf42c92ff89c3af252a326e6
ripemd-160
c5913acea01a5a8f52e0c213cf68ece8de1bbc52
Diameter
156323460
Circumference
491104633.51974
Area
1.9192793883459E+16
Volume
2.0001892979528E+24
Surface area
7.6771175533837E+16
Circumference
491104633.51974
Perimeter
312646920
Area
6109256036592900
Diagonal
110537378.62454
Surface area
36655536219557400
Volume
4.7751002083304E+23
Space diagonal
135380087.56748
Perimeter
234485190
Area
2.6453854629564E+15
Altitude
67690043.78374
Surface area
2.6453854629564E+15
Volume
5.6275095635929E+22
Height
36845792.874848