128869125 is an odd 9-digits composite number following 128869124
and preceding 128869126 . In scientific notation, it is written as 1.28869125 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 53544000 positive integers (up to 128869125) that are relatively prime to 128869125.
128869125 has 32 divisors, whose sum is 191987712
The reverse of 128869125 is 521968821
Previous prime number is 5
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-eight million eight hundred sixty-nine thousand one hundred twenty-five
Scientific notation
1.28869125 × 10^8
Engineering notation
1.28869125 × 10^6
Prime Factorization
7 × 15 × 55 × 5 × 4463
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
128869125 Product of the distinct prime numbers
The prime factorization of 128869125 is 7 × 15 × 55 × 5 × 4463.
Since it has a total of 5 prime factors.
6 , 1 , 36 , 87 , 284 , 402 , 5037 , 10000 , 66116 , 9322 , 305024 , 331821 , 1657715 , 7326119 , 71262894 , 85769981 , 177120288 , 690603124 , 111002804 , 7210009623
n×2
257738250
n×3
386607375
n×4
515476500
n×5
644345625
n÷2
64434562.5
n÷3
42956375
n÷3
32217281.25
n÷5
25773825
n2
16607251378265625
n3
2.1401619537721E+24
n4
2.7580079834091E+32
n5
3.5542207556494E+40
2 √n11352.053778942
3 √n505.10650304127
4 √n106.54601718949
5 √n41.88222792819
1 , 5 , 7 , 15 , 35 , 55 , 75 , 105 , 275 , 385 , 525 , 825 , 1925 , 4125 , 4463 , 5775 , 22315 , 28875 , 31241 , 66945 , 156205 , 245465 , 334725 , 468615 , 1227325 , 1718255 , 2343075 , 3681975 , 8591275 , 18409875 , 25773825 , 128869125
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128869124 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128869125 can be divided by 32 positive divisors.
The sum of these divisors (counting 128869125) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101011100110001100000101
3
Ternary
22222111020012120
4
Quaternary
13223212030011
5
Quinary
230442303000
6
Senary
20442040153
8
Octal
753461405
10
Decimal
128869125
12
Duodecimal
371a9059
16
Hexadecimal
7ae6305
20
Vigesimal
2058cg5
36
Base36
24q41x
md5
61d3fd6359d8c3a06652432e89f3c9e7
sha1
cc42e5241960f4a3b91ef3d10651401fc903e200
sha256
341090fdeeceaaa1ed035c073e4c55abdad9de50cf9fa89ec20a7d3a8bfab88a
sha512
62105ecf0d053c32183db3a8539bc0977cca8ef176b26328bf28e223c6a4a1b02b5b38926b68abfa68a3346094923512b31c87e7c48b945dc60fe6f9c8913442
ripemd-160
ecec9205bb93536d90c5f44db8e282f71e194d0a
Diameter
257738250
Circumference
809708592.74909
Area
5.2173218926278E+16
Volume
8.9646894286172E+24
Surface area
2.0869287570511E+17
Circumference
809708592.74909
Perimeter
515476500
Area
16607251378265625
Diagonal
182248464.34615
Surface area
99643508269593750
Volume
2.1401619537721E+24
Space diagonal
223207872.02694
Perimeter
386607375
Area
7.1911507903061E+15
Altitude
111603936.01347
Surface area
7.1911507903061E+15
Volume
2.5222050505829E+23
Height
60749488.115385