128488965 (number)

128488965 is an odd 9-digits composite number following 128488964 and preceding 128488966. In scientific notation, it is written as 1.28488965 × 10^8. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 61911360 positive integers (up to 128488965) that are relatively prime to 128488965.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred eighty-eight thousand nine hundred sixty-five

Notation

Scientific notation 1.28488965 × 10^8
Engineering notation 1.28488965 × 10^6

Prime Factorization of 128488965

Prime Factorization 3 × 5 × 11 × 167 × 4663

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128488965
Product of the distinct prime numbers

The prime factorization of 128488965 is 3 × 5 × 11 × 167 × 4663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 39, 67, 740, 389, 1241, 8051, 54798, 87109, 809632, 278315, 3585921, 9936594, 16693117, 11197549, 752272020, 164010472, 2796521945, 1626699186

Basic calculations (n = 128488965)

Multiplication

n×y
n×2 256977930
n×3 385466895
n×4 513955860
n×5 642444825

Division

n÷y
n÷2 64244482.5
n÷3 42829655
n÷3 32122241.25
n÷5 25697793

Exponentiation

ny
n2 16509414126771225
n3 2.1212775339052E+24
n4 2.7256075480923E+32
n5 3.5021049285057E+40

Nth Root

y√n
2√n 11335.29730532
3√n 504.60933089798
4√n 106.46735323713
5√n 41.857488458908

Divisors of 128488965

1, 3, 5, 11, 15, 33, 55, 165, 167, 501, 835, 1837, 2505, 4663, 5511, 9185, 13989, 23315, 27555, 51293, 69945, 153879, 256465, 769395, 778721, 2336163, 3893605, 8565931, 11680815, 25697793, 42829655, 128488965

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 -128488964
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 128488965 can be divided by 32 positive divisors. The sum of these divisors (counting 128488965) is 1, the average is 0.03125.

Base conversion 128488965

Base System Value
2 Binary 111101010001001011000000101
3 Ternary 22221202220201120
4 Quaternary 13222021120011
5 Quinary 230343121330
6 Senary 20425544153
8 Octal 752113005
10 Decimal 128488965
12 Duodecimal 37045059
16 Hexadecimal 7a89605
20 Vigesimal 2031285
36 Base36 24hypx

Cryptographic Hash Functions

md5 efa5268815a9f99cf2ccb12638ce421e
sha1 d4dd24ebb8669971038bdda2627bd7e6e0aa7a2a
sha256 a7678c4fdcd599110f281a45507ecb449be96f273c6892e518c5a59c2a338799
sha512 2630f2bff971d008c0477ddfc634eaa20b2eadc4b8c99cd33230c6dfc71e3a51fde3542a2b7b386fdb98fe1383f52f4297561d17b672cf15a404cfae5c946ea3
ripemd-160 ce1129294feb50af5b6edbf6d9e30f708f44ae16

128488965 as geometric shapes

Circle

Radius = n
Diameter 256977930
Circumference 807319977.02271
Area 5.1865854135736E+16

Sphere

Radius = n
Volume 8.8855865556556E+24
Surface area 2.0746341654294E+17
Circumference 807319977.02271

Square

Length = n
Perimeter 513955860
Area 16509414126771225
Diagonal 181710836.91828

Cube

Length = n
Surface area 99056484760627350
Volume 2.1212775339052E+24
Space diagonal 222549415.59194

Equilateral Triangle

Length = n
Perimeter 385466895
Area 7.1487860176908E+15
Altitude 111274707.79597

Triangular Pyramid

Length = n
Surface area 7.1487860176908E+15
Volume 2.4999495483384E+23
Height 60570278.972761