128538225 (number)

128538225 is an odd 9-digits composite number following 128538224 and preceding 128538226. In scientific notation, it is written as 1.28538225 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 68126400 positive integers (up to 128538225) that are relatively prime to 128538225.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirty-eight thousand two hundred twenty-five

Notation

Scientific notation 1.28538225 × 10^8
Engineering notation 1.28538225 × 10^6

Prime Factorization of 128538225

Prime Factorization 225 × 3 × 191 × 997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128538225
Product of the distinct prime numbers

The prime factorization of 128538225 is 225 × 3 × 191 × 997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 35, 79, 299, 676, 5960, 3781, 79069, 55206, 672069, 819206, 4997255, 9721093, 97959351, 6645292, 452328725, 692680611, 8369473030, 4459699062

Basic calculations (n = 128538225)

Multiplication

n×y
n×2 257076450
n×3 385614675
n×4 514152900
n×5 642691125

Division

n÷y
n÷2 64269112.5
n÷3 42846075
n÷3 32134556.25
n÷5 25707645

Exponentiation

ny
n2 16522075286150625
n3 2.1237182305982E+24
n4 2.7297897176123E+32
n5 3.5088232492514E+40

Nth Root

y√n
2√n 11337.469955859
3√n 504.67380823722
4√n 106.47755611329
5√n 41.860697425154

Divisors of 128538225

1, 3, 191, 225, 573, 675, 997, 2991, 42975, 128925, 190427, 224325, 571281, 672975, 42846075, 128538225

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 -128538224
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 128538225 can be divided by 16 positive divisors. The sum of these divisors (counting 128538225) is 1, the average is 0.0625.

Base conversion 128538225

Base System Value
2 Binary 111101010010101011001110001
3 Ternary 22221212102022000
4 Quaternary 13222111121301
5 Quinary 230401210400
6 Senary 20431004213
8 Octal 752253161
10 Decimal 128538225
12 Duodecimal 37069669
16 Hexadecimal 7a95671
20 Vigesimal 20375b5
36 Base36 24j0q9

Cryptographic Hash Functions

md5 8e93d1ebec4fb7c2fa3bacc2d69a2df0
sha1 f3d6c055a6b2370339c2cb8dc88e4c0dccbb45cd
sha256 20c20b1f36aa26c4834b0de298f31d32c40ad343b78bd71b585e19bad5f5bd78
sha512 0cb6e6a62791624ce3a45223010e1566d46649184eaa06a169c215006ca0d1cb0c0d33c49f3764c00f40ec9a7e7129a1029159a1f7469a9eb69df824143a0aff
ripemd-160 d12a5ebcac5d265c92cacc996807898de01fe1fe

128538225 as geometric shapes

Circle

Radius = n
Diameter 257076450
Circumference 807629486.73094
Area 5.1905630341028E+16

Sphere

Radius = n
Volume 8.8958101220559E+24
Surface area 2.0762252136411E+17
Circumference 807629486.73094

Square

Length = n
Perimeter 514152900
Area 16522075286150625
Diagonal 181780501.07836

Cube

Length = n
Surface area 99132451716903750
Volume 2.1237182305982E+24
Space diagonal 222634736.41472

Equilateral Triangle

Length = n
Perimeter 385614675
Area 7.1542684605227E+15
Altitude 111317368.20736

Triangular Pyramid

Length = n
Surface area 7.1542684605227E+15
Volume 2.5028259369758E+23
Height 60593500.359455