77681649 is an odd 8-digits composite number following 77681648
and preceding 77681650 . In scientific notation, it is written as 7.7681649 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 49420800 positive integers (up to 77681649) that are relatively prime to 77681649.
77681649 has 16 divisors, whose sum is 108330624
The reverse of 77681649 is 94618677
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-seven million six hundred eighty-one thousand six hundred forty-nine
Scientific notation
7.7681649 × 10^7
Engineering notation
7.7681649 × 10^6
Prime Factorization
3 × 23 × 541 × 2081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77681649
Product of the distinct prime numbers
The prime factorization of 77681649 is 3 × 23 × 541 × 2081.
Since it has a total of 4 prime factors.
7 , 10 , 10 , 74 , 746 , 316 , 1185 , 3181 , 16982 , 5721 , 732897 , 140407 , 1941711 , 6753721 , 7151919 , 14149113 , 539959194 , 436212876 , 6739644473 , 939074269
n×2
155363298
n×3
233044947
n×4
310726596
n×5
388408245
n÷2
38840824.5
n÷3
25893883
n÷3
19420412.25
n÷5
15536329.8
n2
6034438591359201
n3
4.6876514056602E+23
n4
3.6414449112885E+31
n5
2.8287344545155E+39
2 √n
8813.7193624485
3 √n
426.6837912913
4 √n
93.881411165622
5 √n
37.849808558364
1 , 3 , 23 , 69 , 541 , 1623 , 2081 , 6243 , 12443 , 37329 , 47863 , 143589 , 1125821 , 3377463 , 25893883 , 77681649
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
-77681648
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 77681649 can be divided by 16 positive divisors.
The sum of these divisors (counting 77681649) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000010101001111110001
3
Ternary
12102011122012010
4
Quaternary
10220111033301
5
Quinary
124341303044
6
Senary
11412553133
8
Octal
450251761
10
Decimal
77681649
12
Duodecimal
220227a9
16
Hexadecimal
4a153f1
20
Vigesimal
145a429
36
Base36
1a8zjl
md5
4b3c5bd99225a3a8bfb1bdfe98785aeb
sha1
80717e0d71b6c8de57cd9d7218afdee625224ed6
sha256
76a31416487b167ff85dd6c011388d5a1c669bfa9210e21a731669ca38d25147
sha512
831ff1122c40a0bf3efa8fb32d92e48e8ae2a94340bb967d3c63fa10733e7400d56f5d7c627c8a34524ebc583714e087b76be30808420e7b943f5396eaf4cb6f
ripemd-160
3c3625cda51228f534cf33805f075669d8694585
Diameter
155363298
Circumference
488088195.63428
Area
1.8957747947153E+16
Volume
1.9635588291483E+24
Surface area
7.5830991788611E+16
Circumference
488088195.63428
Perimeter
310726596
Area
6034438591359201
Diagonal
109858441.56331
Surface area
36206631548155206
Volume
4.6876514056602E+23
Space diagonal
134548562.88373
Perimeter
233044947
Area
2.6129885588471E+15
Altitude
67274281.441866
Surface area
2.6129885588471E+15
Volume
5.5244501613016E+22
Height
36619480.521102