128665625 (number)

128665625 is an odd 9-digits composite number following 128665624 and preceding 128665626. In scientific notation, it is written as 1.28665625 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 88200000 positive integers (up to 128665625) that are relatively prime to 128665625.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred sixty-five thousand six hundred twenty-five

Notation

Scientific notation 1.28665625 × 10^8
Engineering notation 1.28665625 × 10^6

Prime Factorization of 128665625

Prime Factorization 55 × 475 × 25 × 197

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128665625
Product of the distinct prime numbers

The prime factorization of 128665625 is 55 × 475 × 25 × 197. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 19, 1, 322, 43, 8851, 3386, 46938, 19733, 70929, 115001, 3837069, 1183084, 54773151, 60668740, 883427112, 437922031, 2099378684, 8437885585

Basic calculations (n = 128665625)

Multiplication

n×y
n×2 257331250
n×3 385996875
n×4 514662500
n×5 643328125

Division

n÷y
n÷2 64332812.5
n÷3 42888541.666667
n÷3 32166406.25
n÷5 25733125

Exponentiation

ny
n2 16554843056640625
n3 2.1300392286596E+24
n4 2.7406282863E+32
n5 3.5262465134947E+40

Nth Root

y√n
2√n 11343.087101843
3√n 504.84048813037
4√n 106.50392998309
5√n 41.868992140251

Divisors of 128665625

1, 25, 55, 197, 475, 1375, 4925, 10835, 11875, 26125, 93575, 270875, 653125, 2339375, 5146625, 128665625

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 -128665624
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 128665625 can be divided by 16 positive divisors. The sum of these divisors (counting 128665625) is 1, the average is 0.0625.

Base conversion 128665625

Base System Value
2 Binary 111101010110100100000011001
3 Ternary 22222002220001112
4 Quaternary 13222310200121
5 Quinary 230414300000
6 Senary 20433430105
8 Octal 752644031
10 Decimal 128665625
12 Duodecimal 3710b335
16 Hexadecimal 7ab4819
20 Vigesimal 2043415
36 Base36 24lr15

Cryptographic Hash Functions

md5 89f6d9353082b47c33e68136bb7e76c6
sha1 2381567a1c6770fa41a1af63d2bd8d33d7c1b41d
sha256 c82d2c035a1b4c0dfdd118996e9c82d7235657d0ca0dd1997a440c2c71064060
sha512 4febe30f7c40b1570194f1bedc06a487f108317558144c2d7136cc47c572fc8874548b55e4067484ca1e1894098f9ca63eb1ddb431e50af5079592bdd773d08c
ripemd-160 231a759c2c626fafce9e519b71a1e5493691ed0b

128665625 as geometric shapes

Circle

Radius = n
Diameter 257331250
Circumference 808429964.53908
Area 5.2008573328074E+16

Sphere

Radius = n
Volume 8.92228745682E+24
Surface area 2.080342933123E+17
Circumference 808429964.53908

Square

Length = n
Perimeter 514662500
Area 16554843056640625
Diagonal 181960671.88621

Cube

Length = n
Surface area 99329058339843750
Volume 2.1300392286596E+24
Space diagonal 222855399.6876

Equilateral Triangle

Length = n
Perimeter 385996875
Area 7.1684573213576E+15
Altitude 111427699.8438

Triangular Pyramid

Length = n
Surface area 7.1684573213576E+15
Volume 2.5102753046309E+23
Height 60653557.295404