77128539 is an odd 8-digits composite number following 77128538
and preceding 77128540 . In scientific notation, it is written as 7.7128539 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 51365160 positive integers (up to 77128539) that are relatively prime to 77128539.
77128539 has 8 divisors, whose sum is 102945792
The reverse of 77128539 is 93582177
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-seven million one hundred twenty-eight thousand five hundred thirty-nine
Scientific notation
7.7128539 × 10^7
Engineering notation
7.7128539 × 10^6
Prime Factorization
3 × 991 × 25943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
77128539
Product of the distinct prime numbers
The prime factorization of 77128539 is 3 × 991 × 25943.
Since it has a total of 3 prime factors.
4 , 3 , 30 , 95 , 481 , 369 , 6511 , 3789 , 25291 , 52456 , 846435 , 592291 , 5483116 , 8078179 , 38908300 , 70635888 , 762896427 , 237672159 , 1689784578 , 9239784919
n×2
154257078
n×3
231385617
n×4
308514156
n×5
385642695
n÷2
38564269.5
n÷3
25709513
n÷3
19282134.75
n÷5
15425707.8
n2
5948811528274521
n3
4.5882314196217E+23
n4
3.5388358598932E+31
n5
2.7294523963437E+39
2 √n
8782.2855225733
3 √n
425.66868484106
4 √n
93.713849150343
5 √n
37.795754637351
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-77128538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77128539 can be divided by 8 positive divisors.
The sum of these divisors (counting 77128539) is 1, the average is 0.125.
Base
System
Value
2
Binary
100100110001110001101011011
3
Ternary
12101010112110120
4
Quaternary
10212032031123
5
Quinary
124221103124
6
Senary
11353044323
8
Octal
446161533
10
Decimal
77128539
12
Duodecimal
219b66a3
16
Hexadecimal
498e35b
20
Vigesimal
142116j
36
Base36
19x4rf
md5
ef6bfe5cb0425654cfe2a15a3f3574cc
sha1
9e77cbc0f4eb19b2e192894602094b649e66a107
sha256
b667e160caa98ccf17db040c089c36d9a3e01a39e63f78339ac77ed851b3944e
sha512
c30635fa02461a38ff6d40a64651741d5e66e806c13096239612c8eedbded3eab27ac35bdd7d8c52127d6175df36b469c1cec68efa2a2953eecda7480c443b31
ripemd-160
e81441e24f2ec97188a4ce082da850533642971a
Diameter
154257078
Circumference
484612903.00903
Area
1.8688742594818E+16
Volume
1.9219138827805E+24
Surface area
7.475497037927E+16
Circumference
484612903.00903
Perimeter
308514156
Area
5948811528274521
Diagonal
109076225.89982
Surface area
35692869169647126
Volume
4.5882314196217E+23
Space diagonal
133590548.26156
Perimeter
231385617
Area
2.5759109529057E+15
Altitude
66795274.130779
Surface area
2.5759109529057E+15
Volume
5.4072825841128E+22
Height
36358741.966607