128869128 is an even 9-digits composite number following 128869127
and preceding 128869129 . In scientific notation, it is written as 1.28869128 × 10^8.
The sum of its digits is 45. It has a total of 6 prime factors and 24 positive divisors.
There are 42956352 positive integers (up to 128869128) that are relatively prime to 128869128.
128869128 has 24 divisors, whose sum is 349020750
The reverse of 128869128 is 821968821
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred twenty-eight million eight hundred sixty-nine thousand one hundred twenty-eight
Scientific notation
1.28869128 × 10^8
Engineering notation
1.28869128 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 1789849
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
10739094 Product of the distinct prime numbers
The prime factorization of 128869128 is 2 × 2 × 2 × 3 × 3 × 1789849.
Since it has a total of 6 prime factors.
4 , 1 , 91 , 32 , 963 , 227 , 1728 , 4512 , 68958 , 7873 , 682643 , 828830 , 845450 , 2951434 , 57854040 , 62785430 , 516415820 , 989354871 , 7208206201 , 4971015692
n×2
257738256
n×3
386607384
n×4
515476512
n×5
644345640
n÷2
64434564
n÷3
42956376
n÷3
32217282
n÷5
25773825.6
n2
16607252151480384
n3
2.1401621032374E+24
n4
2.7580082402285E+32
n5
3.5542211693506E+40
2 √n11352.053911077
3 √n505.1065069608
4 √n106.54601780957
5 √n41.882228123189
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 1789849 , 3579698 , 5369547 , 7159396 , 10739094 , 14318792 , 16108641 , 21478188 , 32217282 , 42956376 , 64434564 , 128869128
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
-128869127 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 128869128 can be divided by 24 positive divisors.
The sum of these divisors (counting 128869128) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011100110001100001000
3
Ternary
22222111020012200
4
Quaternary
13223212030020
5
Quinary
230442303003
6
Senary
20442040200
8
Octal
753461410
10
Decimal
128869128
12
Duodecimal
371a9060
16
Hexadecimal
7ae6308
20
Vigesimal
2058cg8
36
Base36
24q420
md5
db705d5cbf5e84a0d6d477bf1c66f009
sha1
2667a17500a5097d7d20d1ea6be521c4a636b9a6
sha256
ee36469cd1a3116890fbe67cf2ff2c44cb0002cb3439ae54234f17cd004d4453
sha512
37a9ce54f4df82555d7045239e00126a74ad6639110dce0f53e8e079e5c042bc095a4e54d0ea6a95ce194ac5830bdd2a2a02fce3dda21e7e67c29494abc2299a
ripemd-160
008e89c3770ba201843346415f716e8f63185c63
Diameter
257738256
Circumference
809708611.59865
Area
5.2173221355404E+16
Volume
8.9646900546959E+24
Surface area
2.0869288542162E+17
Circumference
809708611.59865
Perimeter
515476512
Area
16607252151480384
Diagonal
182248468.58879
Surface area
99643512908882304
Volume
2.1401621032374E+24
Space diagonal
223207877.2231
Perimeter
386607384
Area
7.1911511251179E+15
Altitude
111603938.61155
Surface area
7.1911511251179E+15
Volume
2.5222052267294E+23
Height
60749489.529598