128512973 is an odd 9-digits composite number following 128512972
and preceding 128512974 . In scientific notation, it is written as 1.28512973 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 128345088 positive integers (up to 128512973) that are relatively prime to 128512973.
128512973 has 4 divisors, whose sum is 128680860
The reverse of 128512973 is 379215821
Previous prime number is 769
Is Prime? no Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-eight million five hundred twelve thousand nine hundred seventy-three
Scientific notation
1.28512973 × 10^8
Engineering notation
1.28512973 × 10^6
Prime Factorization
769 × 167117
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128512973 Product of the distinct prime numbers
The prime factorization of 128512973 is 769 × 167117.
Since it has a total of 2 prime factors.
1 , 6 , 50 , 62 , 335 , 294 , 9242 , 3481 , 39556 , 61683 , 827495 , 784520 , 763525 , 5596104 , 21338632 , 94572579 , 847761836 , 394203345 , 4111226311 , 7068523295
n×2
257025946
n×3
385538919
n×4
514051892
n×5
642564865
n÷2
64256486.5
n÷3
42837657.666667
n÷3
32128243.25
n÷5
25702594.6
n2
16515584229298729
n3
2.1224668301391E+24
n4
2.7276452243506E+32
n5
3.5053779707055E+40
2 √n11336.356248813
3 √n504.64075747835
4 √n106.47232621115
5 √n41.85905254573
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128512972 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128512973 can be divided by 4 positive divisors.
The sum of these divisors (counting 128512973) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001111001111001101
3
Ternary
22221211010122202
4
Quaternary
13222033033031
5
Quinary
230344403343
6
Senary
20430251245
8
Octal
752171715
10
Decimal
128512973
12
Duodecimal
37056b25
16
Hexadecimal
7a8f3cd
20
Vigesimal
203428d
36
Base36
24ih8t
md5
92475e23da14d2cd9b138e33463f99bb
sha1
ee2952b6c4f7c34a4b30902a7175dabbec8e25c4
sha256
b05507bbce753eec046faf39ac74d9d93a2311106e68777979aee9b6ca9f94c2
sha512
22cdecad3153b01b0796dd4cd873a2d37d90df38f0808b9768069802f03ab9805365b96e74b0b4a528ae58f6c6169dd69411082e6aace70b919895e3de60970e
ripemd-160
5f13dff96b74707ba5f02ba624711e01744d383e
Diameter
257025946
Circumference
807470823.73557
Area
5.1885238084508E+16
Volume
8.8905682680707E+24
Surface area
2.0754095233803E+17
Circumference
807470823.73557
Perimeter
514051892
Area
16515584229298729
Diagonal
181744789.35749
Surface area
99093505375792374
Volume
2.1224668301391E+24
Space diagonal
222590998.66773
Perimeter
385538919
Area
7.1514577504572E+15
Altitude
111295499.33386
Surface area
7.1514577504572E+15
Volume
2.5013511473914E+23
Height
60581596.452496