128894240 (number)

128894240 is an even 9-digits composite number following 128894239 and preceding 128894241. In scientific notation, it is written as 1.28894240 × 10^8. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 51557632 positive integers (up to 128894240) that are relatively prime to 128894240.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred ninety-four thousand two hundred forty

Notation

Scientific notation 1.28894240 × 10^8
Engineering notation 1.28894240 × 10^6

Prime Factorization of 128894240

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 805589

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8055890
Product of the distinct prime numbers

The prime factorization of 128894240 is 2 × 2 × 2 × 2 × 2 × 5 × 805589. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 4, 83, 53, 825, 871, 9917, 7206, 1267, 42552, 721843, 852933, 2499296, 9293635, 8658379, 21868194, 96132167, 510388246, 41775021, 4413287978

Basic calculations (n = 128894240)

Multiplication

n×y
n×2 257788480
n×3 386682720
n×4 515576960
n×5 644471200

Division

n÷y
n÷2 64447120
n÷3 42964746.666667
n÷3 32223560
n÷5 25778848

Exponentiation

ny
n2 16613725105177600
n3 2.1414134710008E+24
n4 2.7601586187041E+32
n5 3.5576854743731E+40

Nth Root

y√n
2√n 11353.159912553
3√n 505.13931391513
4√n 106.55120793568
5√n 41.883860266681

Divisors of 128894240

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 805589, 1611178, 3222356, 4027945, 6444712, 8055890, 12889424, 16111780, 25778848, 32223560, 64447120, 128894240

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128894239
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128894240 can be divided by 24 positive divisors. The sum of these divisors (counting 128894240) is 1, the average is 0.041666666666667.

Base conversion 128894240

Base System Value
2 Binary 111101011101100010100100000
3 Ternary 22222112111122202
4 Quaternary 13223230110200
5 Quinary 230444103430
6 Senary 20442352332
8 Octal 753542440
10 Decimal 128894240
12 Duodecimal 371bb6a8
16 Hexadecimal 7aec520
20 Vigesimal 205bfc0
36 Base36 24qnfk

Cryptographic Hash Functions

md5 97bc3d9f3bf0410abedda9b3c9a47550
sha1 13c634e274de43583f0185e4020208d779bc2808
sha256 b0313009fdfc329ee0b40b41ca05b9c0060247ff53865b969fbfc087a76b6e00
sha512 302942e9aff327f63725e79afde554b2aed12d083abf4aa52a25a576024decfc64127b77a6d1fb7b93d9b438e4f32be8ad7760eb7b85aff68954c815b253eebe
ripemd-160 df12971eff1acd27ad3497190725a3769c6e0610

128894240 as geometric shapes

Circle

Radius = n
Diameter 257788480
Circumference 809866394.94808
Area 5.2193556739186E+16

Sphere

Radius = n
Volume 8.9699317717257E+24
Surface area 2.0877422695675E+17
Circumference 809866394.94808

Square

Length = n
Perimeter 515576960
Area 16613725105177600
Diagonal 182283982.31977

Cube

Length = n
Surface area 99682350631065600
Volume 2.1414134710008E+24
Space diagonal 223251372.48298

Equilateral Triangle

Length = n
Perimeter 386682720
Area 7.1939539962875E+15
Altitude 111625686.24149

Triangular Pyramid

Length = n
Surface area 7.1939539962875E+15
Volume 2.5236799777815E+23
Height 60761327.439924