77686989 is an odd 8-digits composite number following 77686988
and preceding 77686990 . In scientific notation, it is written as 7.7686989 × 10^7.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 51791324 positive integers (up to 77686989) that are relatively prime to 77686989.
77686989 has 4 divisors, whose sum is 103582656
The reverse of 77686989 is 98968677
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
seventy-seven million six hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
7.7686989 × 10^7
Engineering notation
7.7686989 × 10^6
Prime Factorization
3 × 25895663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77686989
Product of the distinct prime numbers
The prime factorization of 77686989 is 3 × 25895663.
Since it has a total of 2 prime factors.
6 , 7 , 41 , 41 , 950 , 899 , 2401 , 8211 , 65865 , 31102 , 821681 , 19881 , 9171795 , 3451642 , 33380370 , 42661062 , 452566276 , 162698880 , 4392301868 , 7093418098
n×2
155373978
n×3
233060967
n×4
310747956
n×5
388434945
n÷2
38843494.5
n÷3
25895663
n÷3
19421747.25
n÷5
15537397.8
n2
6035268259886121
n3
4.6886181891782E+23
n4
3.6424462968789E+31
n5
2.8297068539872E+39
2 √n
8814.0222940494
3 √n
426.69356811448
4 √n
93.883024525467
5 √n
37.850328919152
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77686988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77686989 can be divided by 4 positive divisors.
The sum of these divisors (counting 77686989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101000010110100011001101
3
Ternary
12102011220111220
4
Quaternary
10220112203031
5
Quinary
124341440424
6
Senary
11413033553
8
Octal
450264315
10
Decimal
77686989
12
Duodecimal
220258b9
16
Hexadecimal
4a168cd
20
Vigesimal
145ah99
36
Base36
1a93nx
md5
e4230ab990beb9191b23e822c3904641
sha1
feae505b07ab9423aa5faaec87b22095cd80fda1
sha256
8474fd59c6f4eb1adcb438cbdd3983f5cd3dfce1213b8e3ce4c051a4375b7496
sha512
3f984eaa7f0f14068f287445e76a9ed4f856ac8048c046c5b9aecb8189687bb44c17f69167d7ef8b14c07173360ca62bbda4793302764581da216f899480276d
ripemd-160
7119e98fb3c008fc105e9dde0b2e4d5ecad76ec6
Diameter
155373978
Circumference
488121747.84382
Area
1.8960354427702E+16
Volume
1.9639637944813E+24
Surface area
7.5841417710808E+16
Circumference
488121747.84382
Perimeter
310747956
Area
6035268259886121
Diagonal
109865993.46373
Surface area
36211609559316726
Volume
4.6886181891782E+23
Space diagonal
134557812.03504
Perimeter
233060967
Area
2.6133478158576E+15
Altitude
67278906.017522
Surface area
2.6133478158576E+15
Volume
5.5255895266042E+22
Height
36621997.821243