77777428 is an even 8-digits composite number following 77777427
and preceding 77777429 . In scientific notation, it is written as 7.7777428 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 38749760 positive integers (up to 77777428) that are relatively prime to 77777428.
77777428 has 12 divisors, whose sum is 136596852
The reverse of 77777428 is 82477777
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-seven million seven hundred seventy-seven thousand four hundred twenty-eight
Scientific notation
7.7777428 × 10^7
Engineering notation
7.7777428 × 10^6
Prime Factorization
2 × 2 × 281 × 69197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38888714
Product of the distinct prime numbers
The prime factorization of 77777428 is 2 × 2 × 281 × 69197.
Since it has a total of 4 prime factors.
4 , 1 , 29 , 40 , 411 , 805 , 8406 , 6013 , 50289 , 48020 , 7139 , 913157 , 7335794 , 490396 , 35568542 , 43668481 , 132559751 , 72348958 , 6681470821 , 9110795091
n×2
155554856
n×3
233332284
n×4
311109712
n×5
388887140
n÷2
38888714
n÷3
25925809.333333
n÷3
19444357
n÷5
15555485.6
n2
6049328306295184
n3
4.7050119679124E+23
n4
3.6594372957344E+31
n5
2.846216207895E+39
2 √n
8819.1512063237
3 √n
426.85908177849
4 √n
93.910335993029
5 √n
37.859137480372
1 , 2 , 4 , 281 , 562 , 1124 , 69197 , 138394 , 276788 , 19444357 , 38888714 , 77777428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77777427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77777428 can be divided by 12 positive divisors.
The sum of these divisors (counting 77777428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101000101100101000010100
3
Ternary
12102100111120111
4
Quaternary
10220230220110
5
Quinary
124402334203
6
Senary
11415012404
8
Octal
450545024
10
Decimal
77777428
12
Duodecimal
2206a104
16
Hexadecimal
4a2ca14
20
Vigesimal
14623b8
36
Base36
1ab1g4
md5
b7b61a91f8e25a723e6e513647580441
sha1
1f49d02f068a741aa035997bb5f3c3526acbf2d7
sha256
8e28a832833260167dbb4d903f7ed7ad806073cb64259fa13952c12ee86cf9ee
sha512
96cb4cbafb84a5668a729e0dff9f40b6e9d0376990087d5d81a5cecd659762344921da54e3703f7698f3bf2b00ffb2d37a0de7ebbdc4f204fd72de3e630d8d72
ripemd-160
59973ae205f71f4ace384401060138b69e7e0fe0
Diameter
155554856
Circumference
488689992.83982
Area
1.900452536621E+16
Volume
1.9708308044594E+24
Surface area
7.6018101464839E+16
Circumference
488689992.83982
Perimeter
311109712
Area
6049328306295184
Diagonal
109993893.5241
Surface area
36295969837771104
Volume
4.7050119679124E+23
Space diagonal
134714456.97803
Perimeter
233332284
Area
2.619435994542E+15
Altitude
67357228.489015
Surface area
2.619435994542E+15
Volume
5.5449097801245E+22
Height
36664631.174699