77778728 is an even 8-digits composite number following 77778727
and preceding 77778729 . In scientific notation, it is written as 7.7778728 × 10^7.
The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors.
There are 38525488 positive integers (up to 77778728) that are relatively prime to 77778728.
77778728 has 16 divisors, whose sum is 147199680
The reverse of 77778728 is 82787777
Previous prime number is 107
Is Prime? no Number parity even Number length 8 Sum of Digits 53 Digital Root 8
Name
seventy-seven million seven hundred seventy-eight thousand seven hundred twenty-eight
Scientific notation
7.7778728 × 10^7
Engineering notation
7.7778728 × 10^6
Prime Factorization
2 × 2 × 2 × 107 × 90863
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
19444682 Product of the distinct prime numbers
The prime factorization of 77778728 is 2 × 2 × 2 × 107 × 90863.
Since it has a total of 5 prime factors.
1 , 2 , 19 , 44 , 212 , 360 , 2969 , 4332 , 19330 , 62797 , 970822 , 629715 , 5734719 , 3370866 , 16092499 , 95028672 , 958580744 , 483986395 , 4692333137 , 8569964048
n×2
155557456
n×3
233336184
n×4
311114912
n×5
388893640
n÷2
38889364
n÷3
25926242.666667
n÷3
19444682
n÷5
15555745.6
n2
6049530529297984
n3
4.7052478956596E+23
n4
3.6596819624908E+31
n5
2.8464540792708E+39
2 √n8819.2249092536
3 √n426.86145999082
4 √n93.910728403381
5 √n37.859264037783
1 , 2 , 4 , 8 , 107 , 214 , 428 , 856 , 90863 , 181726 , 363452 , 726904 , 9722341 , 19444682 , 38889364 , 77778728
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
-77778727 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 77778728 can be divided by 16 positive divisors.
The sum of these divisors (counting 77778728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101000101100111100101000
3
Ternary
12102100120100122
4
Quaternary
10220230330220
5
Quinary
124402404403
6
Senary
11415022412
8
Octal
450547450
10
Decimal
77778728
12
Duodecimal
2206aa08
16
Hexadecimal
4a2cf28
20
Vigesimal
14626g8
36
Base36
1ab2g8
md5
f3c5ab97b92af3d56a55095040761d53
sha1
6b67a789aca4a3ebebc0b0c7259e0fa311a73af0
sha256
c25a6a36f7011c82e6b92759a58d342656eb68a63d2e93b10be2ac2dceb8d3be
sha512
78add57d3f2dbbb53a9d00659b07f86dc7f845db772f268c28120154e75278b634c614395f1e7fb5323521370d61579311cacec84b8295941157f0757fa324a3
ripemd-160
723336d49137def34f02b5a4095248824f0e0662
Diameter
155557456
Circumference
488698160.98072
Area
1.900516066851E+16
Volume
1.9709296296431E+24
Surface area
7.6020642674039E+16
Circumference
488698160.98072
Perimeter
311114912
Area
6049530529297984
Diagonal
109995732.00173
Surface area
36297183175787904
Volume
4.7052478956596E+23
Space diagonal
134716708.64408
Perimeter
233336184
Area
2.6195235596708E+15
Altitude
67358354.32204
Surface area
2.6195235596708E+15
Volume
5.5451878236411E+22
Height
36665244.000576