128492049 is an odd 9-digits composite number following 128492048
and preceding 128492050 . In scientific notation, it is written as 1.28492049 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 73349328 positive integers (up to 128492049) that are relatively prime to 128492049.
128492049 has 16 divisors, whose sum is 195996672
The reverse of 128492049 is 940294821
Previous prime number is 1223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million four hundred ninety-two thousand forty-nine
Scientific notation
1.28492049 × 10^8
Engineering notation
1.28492049 × 10^6
Prime Factorization
3 × 7 × 1223 × 5003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128492049
Product of the distinct prime numbers
The prime factorization of 128492049 is 3 × 7 × 1223 × 5003.
Since it has a total of 4 prime factors.
5 , 8 , 38 , 31 , 227 , 937 , 3319 , 5972 , 14654 , 9236 , 348630 , 144032 , 6767152 , 8742066 , 98828058 , 94084657 , 147891387 , 651837408 , 6638043452 , 223854436
n×2
256984098
n×3
385476147
n×4
513968196
n×5
642460245
n÷2
64246024.5
n÷3
42830683
n÷3
32123012.25
n÷5
25698409.8
n2
16510206656218401
n3
2.1214302826709E+24
n4
2.7258692383104E+32
n5
3.5025252373657E+40
2 √n
11335.433339754
3 √n
504.61336808702
4 √n
106.46799209036
5 √n
41.857689390179
1 , 3 , 7 , 21 , 1223 , 3669 , 5003 , 8561 , 15009 , 25683 , 35021 , 105063 , 6118669 , 18356007 , 42830683 , 128492049
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
-128492048
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 128492049 can be divided by 16 positive divisors.
The sum of these divisors (counting 128492049) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010001010001000010001
3
Ternary
22221210001221210
4
Quaternary
13222022020101
5
Quinary
230343221144
6
Senary
20430010333
8
Octal
752121021
10
Decimal
128492049
12
Duodecimal
370469a9
16
Hexadecimal
7a8a211
20
Vigesimal
2031a29
36
Base36
24i13l
md5
432dd866bcaef7d8a2434993d9d9ad43
sha1
3bad4bdb353733d8107685515844d3193588618c
sha256
1084f0ed5777ed2f3899e72163b3a97ce678fbce8ca1f29efce0ed42ebc99381
sha512
fdaa1ded6c0459c01bded1dde0f4e333bf151cc46a0973351dcb12227b3c0aa95fc56847ff94ba3e53de64c67a6256fc752a3396edbd6971ba03311e05b85d51
ripemd-160
7c4b0c0455fb4116bd6971c406b7a723622c11cf
Diameter
256984098
Circumference
807339354.3662
Area
5.1868343940425E+16
Volume
8.8862263881893E+24
Surface area
2.074733757617E+17
Circumference
807339354.3662
Perimeter
513968196
Area
16510206656218401
Diagonal
181715198.35291
Surface area
99061239937310406
Volume
2.1214302826709E+24
Space diagonal
222554757.23663
Perimeter
385476147
Area
7.149129193008E+15
Altitude
111277378.61831
Surface area
7.149129193008E+15
Volume
2.5001295644852E+23
Height
60571732.784303