128972263 is an odd 9-digits composite number following 128972262
and preceding 128972264 . In scientific notation, it is written as 1.28972263 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 109878720 positive integers (up to 128972263) that are relatively prime to 128972263.
128972263 has 8 divisors, whose sum is 132400800
The reverse of 128972263 is 362279821
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million nine hundred seventy-two thousand two hundred sixty-three
Scientific notation
1.28972263 × 10^8
Engineering notation
1.28972263 × 10^6
Prime Factorization
49 × 167 × 15761
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128972263
Product of the distinct prime numbers
The prime factorization of 128972263 is 49 × 167 × 15761.
Since it has a total of 3 prime factors.
10 , 4 , 76 , 80 , 560 , 816 , 6308 , 995 , 50801 , 65495 , 644977 , 309500 , 1729422 , 7925524 , 46210543 , 30300188 , 559684638 , 848762439 , 6975386174 , 2940386117
n×2
257944526
n×3
386916789
n×4
515889052
n×5
644861315
n÷2
64486131.5
n÷3
42990754.333333
n÷3
32243065.75
n÷5
25794452.6
n2
16633844623341169
n3
2.1453045834627E+24
n4
2.7668478695346E+32
n5
3.568466311106E+40
2 √n
11356.595572618
3 √n
505.24121796427
4 √n
106.5673288237
5 √n
41.888929715026
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128972262
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128972263 can be divided by 8 positive divisors.
The sum of these divisors (counting 128972263) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011111111010111100111
3
Ternary
22222200110200111
4
Quaternary
13223333113213
5
Quinary
231004103023
6
Senary
20444153451
8
Octal
753772747
10
Decimal
128972263
12
Duodecimal
37238887
16
Hexadecimal
7aff5e7
20
Vigesimal
2061ad3
36
Base36
24sbmv
md5
b29433c057f1c88031ab98499f78aa24
sha1
24b140ce9dbed4ea4f7f0d2e6db2ddf52e87bc77
sha256
ffa45995efb56d9a4fe685cd52aa10dc0421da80cc93c0d521ae0092d040411f
sha512
704c0724f0a426754edbcb500ed174eb2ca4c6705dab8b42a6a849fe9bfa920ef6bb3c7d0b636ea4b9a561d630fe2646a84d5cf6063ae3e76cc1bf7d6c49474e
ripemd-160
cb520b9b8948a371d29b29869f87db062c117c87
Diameter
257944526
Circumference
810356627.9153
Area
5.2256764069643E+16
Volume
8.9862308254919E+24
Surface area
2.0902705627857E+17
Circumference
810356627.9153
Perimeter
515889052
Area
16633844623341169
Diagonal
182394323.50455
Surface area
99803067740047014
Volume
2.1453045834627E+24
Space diagonal
223386512.28314
Perimeter
386916789
Area
7.2026660032083E+15
Altitude
111693256.14157
Surface area
7.2026660032083E+15
Volume
2.5282656977951E+23
Height
60798107.83485