128869138 is an even 9-digits composite number following 128869137
and preceding 128869139 . In scientific notation, it is written as 1.28869138 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 61221600 positive integers (up to 128869138) that are relatively prime to 128869138.
128869138 has 16 divisors, whose sum is 203054976
The reverse of 128869138 is 831968821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million eight hundred sixty-nine thousand one hundred thirty-eight
Scientific notation
1.28869138 × 10^8
Engineering notation
1.28869138 × 10^6
Prime Factorization
2 × 151 × 23 × 18553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128869138
Product of the distinct prime numbers
The prime factorization of 128869138 is 2 × 151 × 23 × 18553.
Since it has a total of 4 prime factors.
5 , 4 , 49 , 96 , 56 , 689 , 4401 , 3577 , 39107 , 96581 , 820253 , 560367 , 6619462 , 8546906 , 62082026 , 20960518 , 812998630 , 297886075 , 4488163618 , 7923420305
n×2
257738276
n×3
386607414
n×4
515476552
n×5
644345690
n÷2
64434569
n÷3
42956379.333333
n÷3
32217284.5
n÷5
25773827.6
n2
16607254728863044
n3
2.140162601455E+24
n4
2.7580090962934E+32
n5
3.5542225483549E+40
2 √n
11352.054351526
3 √n
505.10652002591
4 √n
106.54601987651
5 √n
41.882228773185
1 , 2 , 23 , 46 , 151 , 302 , 3473 , 6946 , 18553 , 37106 , 426719 , 853438 , 2801503 , 5603006 , 64434569 , 128869138
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
-128869137
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 128869138 can be divided by 16 positive divisors.
The sum of these divisors (counting 128869138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100110001100010010
3
Ternary
22222111020020001
4
Quaternary
13223212030102
5
Quinary
230442303023
6
Senary
20442040214
8
Octal
753461422
10
Decimal
128869138
12
Duodecimal
371a906a
16
Hexadecimal
7ae6312
20
Vigesimal
2058cgi
36
Base36
24q42a
md5
4714c91bcf5ba0339e9f59d359386f64
sha1
99589611ad4843da653d2e94d37b27e17d72d7f6
sha256
1a8148f58d1ffdc732051ba33b6525e2a12397c363deb50c7a1edd39bf39c3d9
sha512
f016ae0eb539e35933e6c37c50f5a6aac4678333df82e73db142579a17bf1131c165c4cf4dc2d5a40080772c3d461bd4443eaa861f653c7a10105fde1dd3dc8c
ripemd-160
b9c7daf46ac1a2576f0bd5e6716819504812fdcb
Diameter
257738276
Circumference
809708674.4305
Area
5.217322945249E+16
Volume
8.9646921416249E+24
Surface area
2.0869291780996E+17
Circumference
809708674.4305
Perimeter
515476552
Area
16607254728863044
Diagonal
182248482.73093
Surface area
99643528373178264
Volume
2.140162601455E+24
Space diagonal
223207894.54361
Perimeter
386607414
Area
7.1911522411573E+15
Altitude
111603947.2718
Surface area
7.1911522411573E+15
Volume
2.5222058138845E+23
Height
60749494.243643