128869140 is an even 9-digits composite number following 128869139
and preceding 128869141 . In scientific notation, it is written as 1.28869140 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 33851136 positive integers (up to 128869140) that are relatively prime to 128869140.
128869140 has 24 divisors, whose sum is 244153728
The reverse of 128869140 is 041968821
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million eight hundred sixty-nine thousand one hundred forty
Scientific notation
1.28869140 × 10^8
Engineering notation
1.28869140 × 10^6
Prime Factorization
2 × 2 × 15 × 67 × 32057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64434570
Product of the distinct prime numbers
The prime factorization of 128869140 is 2 × 2 × 15 × 67 × 32057.
Since it has a total of 5 prime factors.
1 , 10 , 58 , 74 , 562 , 348 , 1652 , 4863 , 42654 , 18344 , 668039 , 454677 , 3090753 , 5058559 , 61590790 , 93884688 , 81165528 , 687269570 , 7906717794 , 7881738053
n×2
257738280
n×3
386607420
n×4
515476560
n×5
644345700
n÷2
64434570
n÷3
42956380
n÷3
32217285
n÷5
25773828
n2
16607255244339600
n3
2.1401627010985E+24
n4
2.7580092675065E+32
n5
3.5542228241559E+40
2 √n
11352.054439616
3 √n
505.10652263893
4 √n
106.5460202899
5 √n
41.882228903184
1 , 2 , 4 , 15 , 30 , 60 , 67 , 134 , 268 , 1005 , 2010 , 4020 , 32057 , 64114 , 128228 , 480855 , 961710 , 1923420 , 2147819 , 4295638 , 8591276 , 32217285 , 64434570 , 128869140
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128869139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128869140 can be divided by 24 positive divisors.
The sum of these divisors (counting 128869140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011100110001100010100
3
Ternary
22222111020020010
4
Quaternary
13223212030110
5
Quinary
230442303030
6
Senary
20442040220
8
Octal
753461424
10
Decimal
128869140
12
Duodecimal
371a9070
16
Hexadecimal
7ae6314
20
Vigesimal
2058ch0
36
Base36
24q42c
md5
7526306bd442575fab820801ab8593f1
sha1
7f85d410f458750a43cf700ee49bc82cf9ea0739
sha256
700c82e669c6dad2f173e672cf69f5d5a676b8a97a7753d5eccc6547144d8d69
sha512
7286b381394865ca445bb75e260c2f66d30450af4c29e5194e4479296e0102ad521fdcdaa32020ead7dda5422dfe0d98f91b32c20abf606b19b53a3117090720
ripemd-160
0c0a6c48782d4ef55a98c633a6f566b0f15ca913
Diameter
257738280
Circumference
809708686.99687
Area
5.2173231071908E+16
Volume
8.9646925590107E+24
Surface area
2.0869292428763E+17
Circumference
809708686.99687
Perimeter
515476560
Area
16607255244339600
Diagonal
182248485.55936
Surface area
99643531466037600
Volume
2.1401627010985E+24
Space diagonal
223207898.00771
Perimeter
386607420
Area
7.1911524643652E+15
Altitude
111603949.00385
Surface area
7.1911524643652E+15
Volume
2.5222059313155E+23
Height
60749495.186452