128021290 (number)

128021290 is an even 9-digits composite number following 128021289 and preceding 128021291. In scientific notation, it is written as 1.28021290 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 51140304 positive integers (up to 128021290) that are relatively prime to 128021290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28021290 × 10^8
Engineering notation 1.28021290 × 10^6

Prime Factorization of 128021290

Prime Factorization 2 × 5 × 787 × 16267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128021290
Product of the distinct prime numbers

The prime factorization of 128021290 is 2 × 5 × 787 × 16267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 87, 22, 336, 978, 2643, 2257, 69003, 87833, 473490, 201444, 8012205, 10202, 12568996, 17077876, 573385175, 598517675, 2630730559, 9954395622

Basic calculations (n = 128021290)

Multiplication

n×y
n×2 256042580
n×3 384063870
n×4 512085160
n×5 640106450

Division

n÷y
n÷2 64010645
n÷3 42673763.333333
n÷3 32005322.5
n÷5 25604258

Exponentiation

ny
n2 16389450693264100
n3 2.0981986201431E+24
n4 2.6861409402694E+32
n5 3.438832282951E+40

Nth Root

y√n
2√n 11314.649353824
3√n 503.99635978306
4√n 106.37034057398
5√n 41.826973365221

Divisors of 128021290

1, 2, 5, 10, 787, 1574, 3935, 7870, 16267, 32534, 81335, 162670, 12802129, 25604258, 64010645, 128021290

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 -128021289
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 128021290 can be divided by 16 positive divisors. The sum of these divisors (counting 128021290) is 1, the average is 0.0625.

Base conversion 128021290

Base System Value
2 Binary 111101000010111001100101010
3 Ternary 22220220011012021
4 Quaternary 13220113030222
5 Quinary 230233140130
6 Senary 20411535054
8 Octal 750271452
10 Decimal 128021290
12 Duodecimal 36a5a48a
16 Hexadecimal 7a1732a
20 Vigesimal 2002d4a
36 Base36 247xuy

Cryptographic Hash Functions

md5 2b45573f93767c5ed6e845a908cd9aa7
sha1 5be3612d5342d52914a455eedf2c62324b32f972
sha256 65a5f11ecead705891ce500ca72cff85a50a2c1e6b6bcdf3011c07be94d1883d
sha512 3aa35412b04251a119c2ffb6fe85be747d863180d234fdd30d8b25c0c85d078f2c31ed8ef6751cc386b871ef32c95c0a1f2b130de59bff7170b3c8d4d7bc3edd
ripemd-160 99583f47b7bffc78d0e366ca6d5f3f803edd9bf7

128021290 as geometric shapes

Circle

Radius = n
Diameter 256042580
Circumference 804381488.33418
Area 5.1488977894331E+16

Sphere

Radius = n
Volume 8.7889138277516E+24
Surface area 2.0595591157732E+17
Circumference 804381488.33418

Square

Length = n
Perimeter 512085160
Area 16389450693264100
Diagonal 181049444.5905

Cube

Length = n
Surface area 98336704159584600
Volume 2.0981986201431E+24
Space diagonal 221739378.73051

Equilateral Triangle

Length = n
Perimeter 384063870
Area 7.0968403272196E+15
Altitude 110869689.36525

Triangular Pyramid

Length = n
Surface area 7.0968403272196E+15
Volume 2.4727507876324E+23
Height 60349814.8635