77128538 is an even 8-digits composite number following 77128537
and preceding 77128539 . In scientific notation, it is written as 7.7128538 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 38564268 positive integers (up to 77128538) that are relatively prime to 77128538.
77128538 has 4 divisors, whose sum is 115692810
The reverse of 77128538 is 83582177
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-seven million one hundred twenty-eight thousand five hundred thirty-eight
Scientific notation
7.7128538 × 10^7
Engineering notation
7.7128538 × 10^6
Prime Factorization
2 × 38564269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
77128538
Product of the distinct prime numbers
The prime factorization of 77128538 is 2 × 38564269.
Since it has a total of 2 prime factors.
2 , 1 , 66 , 41 , 393 , 405 , 2664 , 2705 , 76943 , 39881 , 230652 , 96636 , 9620470 , 260095 , 59720271 , 75367293 , 838070711 , 845985843 , 2920548513 , 6898503265
n×2
154257076
n×3
231385614
n×4
308514152
n×5
385642690
n÷2
38564269
n÷3
25709512.666667
n÷3
19282134.5
n÷5
15425707.6
n2
5948811374017444
n3
4.5882312411574E+23
n4
3.5388356763639E+31
n5
2.7294522194019E+39
2 √n
8782.2854656405
3 √n
425.66868300141
4 √n
93.713848846584
5 √n
37.795754539344
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
-77128537
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 77128538 can be divided by 4 positive divisors.
The sum of these divisors (counting 77128538) is 1, the average is 0.25.
Base
System
Value
2
Binary
100100110001110001101011010
3
Ternary
12101010112110112
4
Quaternary
10212032031122
5
Quinary
124221103123
6
Senary
11353044322
8
Octal
446161532
10
Decimal
77128538
12
Duodecimal
219b66a2
16
Hexadecimal
498e35a
20
Vigesimal
142116i
36
Base36
19x4re
md5
bf7505b6a348fa67cc928eff4fbdcac7
sha1
cc306a0ed8c21e7f9d5fc8d6c2b5e079837db9f7
sha256
1fd37eceb9da8d549263de7d043e29da28474b0252728f21b23a5de7b04d7c95
sha512
6c588b612479a7a6562736cf19dc8a57ceb500da3523ee7b42e75ef9bb67cd1268a110e8ad31392b06af484bda7d4b8cf2e8169f86c92cac7941090b325c0379
ripemd-160
0a9bd81e678e1e5ec6fd87f23a59aaf77df94a7c
Diameter
154257076
Circumference
484612896.72584
Area
1.8688742110205E+16
Volume
1.9219138080255E+24
Surface area
7.4754968440818E+16
Circumference
484612896.72584
Perimeter
308514152
Area
5948811374017444
Diagonal
109076224.48561
Surface area
35692868244104664
Volume
4.5882312411574E+23
Space diagonal
133590546.52951
Perimeter
231385614
Area
2.5759108861105E+15
Altitude
66795273.264753
Surface area
2.5759108861105E+15
Volume
5.4072823737906E+22
Height
36358741.495203