128698269 is an odd 9-digits composite number following 128698268
and preceding 128698270 . In scientific notation, it is written as 1.28698269 × 10^8.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 71451072 positive integers (up to 128698269) that are relatively prime to 128698269.
128698269 has 32 divisors, whose sum is 201738240
The reverse of 128698269 is 962896821
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-eight million six hundred ninety-eight thousand two hundred sixty-nine
Scientific notation
1.28698269 × 10^8
Engineering notation
1.28698269 × 10^6
Prime Factorization
3 × 7 × 43 × 397 × 359
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128698269
Product of the distinct prime numbers
The prime factorization of 128698269 is 3 × 7 × 43 × 397 × 359.
Since it has a total of 5 prime factors.
6 , 1 , 47 , 88 , 233 , 237 , 5541 , 2165 , 21206 , 54840 , 63817 , 719394 , 8759764 , 5629712 , 68708101 , 62418472 , 302117160 , 956931172 , 1074900846 , 3949749199
n×2
257396538
n×3
386094807
n×4
514793076
n×5
643491345
n÷2
64349134.5
n÷3
42899423
n÷3
32174567.25
n÷5
25739653.8
n2
16563244443596361
n3
2.1316608889147E+24
n4
2.7434106649833E+32
n5
3.5307220373948E+40
2 √n
11344.525948668
3 √n
504.88317919974
4 √n
106.51068466904
5 √n
41.871116456974
1 , 3 , 7 , 21 , 43 , 129 , 301 , 359 , 397 , 903 , 1077 , 1191 , 2513 , 2779 , 7539 , 8337 , 15437 , 17071 , 46311 , 51213 , 108059 , 119497 , 142523 , 324177 , 358491 , 427569 , 997661 , 2992983 , 6128489 , 18385467 , 42899423 , 128698269
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
-128698268
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 128698269 can be divided by 32 positive divisors.
The sum of these divisors (counting 128698269) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010111100011110011101
3
Ternary
22222011112211120
4
Quaternary
13222330132131
5
Quinary
230421321034
6
Senary
20434241153
8
Octal
752743635
10
Decimal
128698269
12
Duodecimal
371261b9
16
Hexadecimal
7abc79d
20
Vigesimal
20475d9
36
Base36
24mg7x
md5
a22e65b07368fa3658b2ec399fa8387c
sha1
5d7776c830cdf3d0ddaba0751af9b33c03d0bb7c
sha256
3c311e1219a943444302e9729ba8f0c3b49b7ed8a8b9fd91881785a4cc61c67f
sha512
9d8ecc3915ca29ccdbb74bc3188378301205c544b00c9bdf42288107f9917b7bd7538e4f37c5e67c18c8cf9ab905bd173bf6f09543dde39af8b877f889e72470
ripemd-160
5853301a74c8c9dbca067b82adf3164afab748c0
Diameter
257396538
Circumference
808635072.84025
Area
5.2034967063614E+16
Volume
8.9290802514122E+24
Surface area
2.0813986825446E+17
Circumference
808635072.84025
Perimeter
514793076
Area
16563244443596361
Diagonal
182006837.47374
Surface area
99379466661578166
Volume
2.1316608889147E+24
Space diagonal
222911940.75417
Perimeter
386094807
Area
7.1720952286229E+15
Altitude
111455970.37708
Surface area
7.1720952286229E+15
Volume
2.5121864495696E+23
Height
60668945.82458