128597988 is an even 9-digits composite number following 128597987
and preceding 128597989 . In scientific notation, it is written as 1.28597988 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 42865992 positive integers (up to 128597988) that are relatively prime to 128597988.
128597988 has 12 divisors, whose sum is 300062000
The reverse of 128597988 is 889795821
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 57 Digital Root 3
Name
one hundred twenty-eight million five hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
1.28597988 × 10^8
Engineering notation
1.28597988 × 10^6
Prime Factorization
2 × 2 × 3 × 10716499
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64298994 Product of the distinct prime numbers
The prime factorization of 128597988 is 2 × 2 × 3 × 10716499.
Since it has a total of 4 prime factors.
9 , 9 , 53 , 71 , 604 , 212 , 8830 , 1333 , 7687 , 90065 , 676383 , 148076 , 7939484 , 7527706 , 50104313 , 43484390 , 890873006 , 93655096 , 2360271836 , 3750961335
n×2
257195976
n×3
385793964
n×4
514391952
n×5
642989940
n÷2
64298994
n÷3
42865996
n÷3
32149497
n÷5
25719597.6
n2
16537442517648144
n3
2.1266818344352E+24
n4
2.7348700502452E+32
n5
3.5169878590299E+40
2 √n11340.105290516
3 √n504.75201103811
4 √n106.48993046536
5 √n41.864589272465
1 , 2 , 3 , 4 , 6 , 12 , 10716499 , 21432998 , 32149497 , 42865996 , 64298994 , 128597988
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
-128597987 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 128597988 can be divided by 12 positive divisors.
The sum of these divisors (counting 128597988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101010100011111111100100
3
Ternary
22221222110021110
4
Quaternary
13222203333210
5
Quinary
230410113423
6
Senary
20432145020
8
Octal
752437744
10
Decimal
128597988
12
Duodecimal
37098170
16
Hexadecimal
7aa3fe4
20
Vigesimal
203eej8
36
Base36
24kauc
md5
ace0b8f0ca10bd8a1283a02dfcd5a67d
sha1
a0eb8e9e8ab4e21c9a63504fcf02c51635deb9f9
sha256
774e8578989ab020e8d0ba92f00ac04fbc769e6ff23305bd910c53ebbea715f3
sha512
dcc5d063ca73dee8652a04c5807cbeabbbff61181a962c0dffe2b77a60b39118f9c420f56b3f9a65ac0da516bb88735280dc102fb7bffc9d9fdbf6cc50ba85a0
ripemd-160
aa45fb24d5f366b4a840267c3394a56542f3cbd4
Diameter
257195976
Circumference
808004988.73446
Area
5.1953907922607E+16
Volume
8.9082240367793E+24
Surface area
2.0781563169043E+17
Circumference
808004988.73446
Perimeter
514391952
Area
16537442517648144
Diagonal
181865018.72349
Surface area
99224655105888864
Volume
2.1266818344352E+24
Space diagonal
222738248.96713
Perimeter
385793964
Area
7.1609226669541E+15
Altitude
111369124.48357
Surface area
7.1609226669541E+15
Volume
2.5063185775923E+23
Height
60621672.907831