77805561 is an odd 8-digits composite number following 77805560
and preceding 77805562 . In scientific notation, it is written as 7.7805561 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 49636800 positive integers (up to 77805561) that are relatively prime to 77805561.
77805561 has 16 divisors, whose sum is 108300608
The reverse of 77805561 is 16550877
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-seven million eight hundred five thousand five hundred sixty-one
Scientific notation
7.7805561 × 10^7
Engineering notation
7.7805561 × 10^6
Prime Factorization
3 × 37 × 61 × 11491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77805561
Product of the distinct prime numbers
The prime factorization of 77805561 is 3 × 37 × 61 × 11491.
Since it has a total of 4 prime factors.
2 , 3 , 95 , 81 , 152 , 804 , 1587 , 7635 , 37653 , 18869 , 457729 , 436622 , 1877771 , 7464569 , 46833588 , 45416304 , 237600979 , 145805464 , 970528756 , 5488706415
n×2
155611122
n×3
233416683
n×4
311222244
n×5
389027805
n÷2
38902780.5
n÷3
25935187
n÷3
19451390.25
n÷5
15561112.2
n2
6053705322524721
n3
4.7101193874772E+23
n4
3.6647348131964E+31
n5
2.8513674805698E+39
2 √n
8820.746056882
3 √n
426.91054220532
4 √n
93.918826956484
5 √n
37.861875902233
1 , 3 , 37 , 61 , 111 , 183 , 2257 , 6771 , 11491 , 34473 , 425167 , 700951 , 1275501 , 2102853 , 25935187 , 77805561
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
-77805560
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 77805561 can be divided by 16 positive divisors.
The sum of these divisors (counting 77805561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000110011011111111001
3
Ternary
12102101221011110
4
Quaternary
10220303133321
5
Quinary
124404234221
6
Senary
11415350533
8
Octal
450633771
10
Decimal
77805561
12
Duodecimal
22082449
16
Hexadecimal
4a337f9
20
Vigesimal
1465di1
36
Base36
1abn5l
md5
70f9c7ba8bc90f390c86a06869ead8bd
sha1
38319f072b0d3508784577a6101b4376b1f389b4
sha256
f9563f6b5f7fc64f4209d630714e10f0e51aa3240b22cf9b450300f0877bff67
sha512
7c8ca0e0911542192b6a1d983a35891c0e25dbdd9e6bd9fcabda09ef3d29d91a4f90e505ab365bd83d67f695174adf9a792013326719789b3a3ec166bdfd077e
ripemd-160
fd9f145ea34d9a69c87d3c6b160e274c841cea50
Diameter
155611122
Circumference
488866757.69207
Area
1.9018276168241E+16
Volume
1.9729701953639E+24
Surface area
7.6073104672964E+16
Circumference
488866757.69207
Perimeter
311222244
Area
6053705322524721
Diagonal
110033679.59425
Surface area
36322231935148326
Volume
4.7101193874772E+23
Space diagonal
134763184.7634
Perimeter
233416683
Area
2.6213312981657E+15
Altitude
67381592.3817
Surface area
2.6213312981657E+15
Volume
5.5509289318056E+22
Height
36677893.198082