128249920 (number)

128249920 is an even 9-digits composite number following 128249919 and preceding 128249921. In scientific notation, it is written as 1.28249920 × 10^8. The sum of its digits is 37. It has a total of 9 prime factors and 56 positive divisors. There are 50990592 positive integers (up to 128249920) that are relatively prime to 128249920.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-nine thousand nine hundred twenty

Notation

Scientific notation 1.28249920 × 10^8
Engineering notation 1.28249920 × 10^6

Prime Factorization of 128249920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 179 × 2239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 4007810
Product of the distinct prime numbers

The prime factorization of 128249920 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 179 × 2239. Since it has a total of 9 prime factors.

Most popular turbo-numbers

10, 4, 51, 26, 23, 754, 4573, 3419, 39245, 30814, 308563, 570351, 9805612, 4598036, 7633596, 15964239, 208442875, 134421001, 453852862, 5553611672

Basic calculations (n = 128249920)

Multiplication

n×y
n×2 256499840
n×3 384749760
n×4 512999680
n×5 641249600

Division

n÷y
n÷2 64124960
n÷3 42749973.333333
n÷3 32062480
n÷5 25649984

Exponentiation

ny
n2 16448041980006400
n3 2.1094600680925E+24
n4 2.7053808497605E+32
n5 3.4696487755132E+40

Nth Root

y√n
2√n 11324.748120819
3√n 504.29620616289
4√n 106.41779983076
5√n 41.841902252399

Divisors of 128249920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1432, 1790, 2239, 2864, 3580, 4478, 5728, 7160, 8956, 11195, 11456, 14320, 17912, 22390, 28640, 35824, 44780, 57280, 71648, 89560, 143296, 179120, 358240, 400781, 716480, 801562, 1603124, 2003905, 3206248, 4007810, 6412496, 8015620, 12824992, 16031240, 25649984, 32062480, 64124960, 128249920

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128249919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128249920 can be divided by 56 positive divisors. The sum of these divisors (counting 128249920) is 1, the average is 0.017857142857143.

Base conversion 128249920

Base System Value
2 Binary 111101001001111000001000000
3 Ternary 22221022202211001
4 Quaternary 13221033001000
5 Quinary 230312444140
6 Senary 20420501344
8 Octal 751170100
10 Decimal 128249920
12 Duodecimal 36b4a854
16 Hexadecimal 7a4f040
20 Vigesimal 201b4g0
36 Base36 24cu9s

Cryptographic Hash Functions

md5 8bcd8d00d755734672b00eb7ff75025b
sha1 ac56923557b28d49ffd8d7bc2b6e6448ef326136
sha256 1ee8b87b7d06649aff853f76e512967ae05db40c8cf9161e625dc3174d57b5a5
sha512 231cc1b105c9a4bf2c2d9b97450da0311577282fede2de670e80682129db1602db20af5e9e6a1fdf744b696cbdba828cee6f5db8ae2ded6827289f18167d6910
ripemd-160 a7c9b68e58db4b424f1c0f5763de97e060a83788

128249920 as geometric shapes

Circle

Radius = n
Diameter 256499840
Circumference 805818012.99096
Area 5.1673047850325E+16

Sphere

Radius = n
Volume 8.8360856706137E+24
Surface area 2.066921914013E+17
Circumference 805818012.99096

Square

Length = n
Perimeter 512999680
Area 16448041980006400
Diagonal 181372776.23726

Cube

Length = n
Surface area 98688251880038400
Volume 2.1094600680925E+24
Space diagonal 222135377.50664

Equilateral Triangle

Length = n
Perimeter 384749760
Area 7.1222110985992E+15
Altitude 111067688.75332

Triangular Pyramid

Length = n
Surface area 7.1222110985992E+15
Volume 2.4860225313174E+23
Height 60457592.079088