128597989 is an odd 9-digits composite number following 128597988
and preceding 128597990 . In scientific notation, it is written as 1.28597989 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 118705824 positive integers (up to 128597989) that are relatively prime to 128597989.
128597989 has 4 divisors, whose sum is 138490156
The reverse of 128597989 is 989795821
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred twenty-eight million five hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.28597989 × 10^8
Engineering notation
1.28597989 × 10^6
Prime Factorization
13 × 9892153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128597989
Product of the distinct prime numbers
The prime factorization of 128597989 is 13 × 9892153.
Since it has a total of 2 prime factors.
4 , 2 , 28 , 40 , 141 , 362 , 9754 , 5047 , 24771 , 52719 , 13687 , 352710 , 9340874 , 3919372 , 47442371 , 93975573 , 302894868 , 87410635 , 2058402662 , 6378537827
n×2
257195978
n×3
385793967
n×4
514391956
n×5
642989945
n÷2
64298994.5
n÷3
42865996.333333
n÷3
32149497.25
n÷5
25719597.8
n2
16537442774844121
n3
2.1266818840475E+24
n4
2.7348701353124E+32
n5
3.5169879957734E+40
2 √n
11340.105334608
3 √n
504.75201234646
4 √n
106.48993067238
5 √n
41.864589337574
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
-128597988
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 128597989 can be divided by 4 positive divisors.
The sum of these divisors (counting 128597989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010100011111111100101
3
Ternary
22221222110021111
4
Quaternary
13222203333211
5
Quinary
230410113424
6
Senary
20432145021
8
Octal
752437745
10
Decimal
128597989
12
Duodecimal
37098171
16
Hexadecimal
7aa3fe5
20
Vigesimal
203eej9
36
Base36
24kaud
md5
b39bbd447a635d09f04236d5c0dae8d4
sha1
7de96ce53a055e3701cbdbb1dcd3f06f03d9a843
sha256
66e912f1e530d5e1be5260aad312374d771675ccf719edf177f1c554c16f2af6
sha512
2e5d8d7880f8b6de803efb8305047c983186f5b7f4fcf03b6b2581c276b02a3ce9ddc8528d785fd209a297f54268374b0d05c7ece4334f6fa99b37bef2d5149c
ripemd-160
771ceafede84a4937299cf9154dd8462a784c3a1
Diameter
257195978
Circumference
808004995.01764
Area
5.1953908730612E+16
Volume
8.908224244595E+24
Surface area
2.0781563492245E+17
Circumference
808004995.01764
Perimeter
514391956
Area
16537442774844121
Diagonal
181865020.13771
Surface area
99224656649064726
Volume
2.1266818840475E+24
Space diagonal
222738250.69918
Perimeter
385793967
Area
7.1609227783232E+15
Altitude
111369125.34959
Surface area
7.1609227783232E+15
Volume
2.506318636061E+23
Height
60621673.379235