128819997 is an odd 9-digits composite number following 128819996
and preceding 128819998 . In scientific notation, it is written as 1.28819997 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors.
There are 84051936 positive integers (up to 128819997) that are relatively prime to 128819997.
128819997 has 16 divisors, whose sum is 194906880
The reverse of 128819997 is 799918821
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred twenty-eight million eight hundred nineteen thousand nine hundred ninety-seven
Scientific notation
1.28819997 × 10^8
Engineering notation
1.28819997 × 10^6
Prime Factorization
3 × 3 × 3 × 47 × 101513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14313333
Product of the distinct prime numbers
The prime factorization of 128819997 is 3 × 3 × 3 × 47 × 101513.
Since it has a total of 5 prime factors.
3 , 3 , 62 , 18 , 829 , 883 , 8587 , 2549 , 15830 , 26435 , 195301 , 965504 , 6877888 , 1981760 , 40753987 , 15094754 , 874970260 , 285490207 , 8048480273 , 1662012355
n×2
257639994
n×3
386459991
n×4
515279988
n×5
644099985
n÷2
64409998.5
n÷3
42939999
n÷3
32204999.25
n÷5
25763999.4
n2
16594591627080009
n3
2.1377152436167E+24
n4
2.7538047126955E+32
n5
3.5474511482803E+40
2 √n
11349.889735147
3 √n
505.04230864692
4 √n
106.53586126346
5 √n
41.879034139256
1 , 3 , 9 , 27 , 47 , 141 , 423 , 1269 , 101513 , 304539 , 913617 , 2740851 , 4771111 , 14313333 , 42939999 , 128819997
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
-128819996
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 128819997 can be divided by 16 positive divisors.
The sum of these divisors (counting 128819997) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011011010001100011101
3
Ternary
22222101201211000
4
Quaternary
13223122030131
5
Quinary
230434214442
6
Senary
20441020513
8
Octal
753321435
10
Decimal
128819997
12
Duodecimal
37184739
16
Hexadecimal
7ada31d
20
Vigesimal
20529jh
36
Base36
24p259
md5
57f8b9bbfaa7efb48226ade49335bcf3
sha1
1c0abab9381f4358a3c72a2f4d52efabe8c3689f
sha256
74813d29e4b34fadba440ffdc9faeb9da438c0d228d013c3efef177556e28924
sha512
a015d29637be61f56b98bea858663cfae40514945c83903a274fa7d6f40c484cfa613044824b5eeec62df91e591910df308fe4bb49fd967190439e3e148fbae8
ripemd-160
61edfb20829b6d3a2959e6286f7bf0a3f6904898
Diameter
257639994
Circumference
809399912.42132
Area
5.2133447144957E+16
Volume
8.9544406730841E+24
Surface area
2.0853378857983E+17
Circumference
809399912.42132
Perimeter
515279988
Area
16594591627080009
Diagonal
182178986.86226
Surface area
99567549762480054
Volume
2.1377152436167E+24
Space diagonal
223122779.83487
Perimeter
386459991
Area
7.1856689572399E+15
Altitude
111561389.91744
Surface area
7.1856689572399E+15
Volume
2.519321575012E+23
Height
60726328.954087