Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

128290421 (number)

128290421 is an odd 9-digits composite number following 128290420 and preceding 128290422. In scientific notation, it is written as 1.28290421 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 109963212 positive integers (up to 128290421) that are relatively prime to 128290421.

Interesting facts

128290421 has 4 divisors, whose sum is 146617632
The reverse of 128290421 is 124092821
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	1.28290421 × 10^8
Engineering notation	1.28290421 × 10^6

Prime Factorization of 128290421

Prime Factorization 7 × 18327203

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128290421	Product of the distinct prime numbers

The prime factorization of 128290421 is 7 × 18327203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 14, 3, 610, 40, 2510, 1088, 53395, 93421, 225421, 920202, 7493664, 2256944, 34457638, 99515913, 775722368, 287148392, 7254268694, 236861025

Basic calculations (n = 128290421)

Multiplication

n×y

n×2	256580842
n×3	384871263
n×4	513161684
n×5	641452105

Division

n÷y

n÷2	64145210.5
n÷3	42763473.666667
n÷3	32072605.25
n÷5	25658084.2

Exponentiation

n^y

n²	16458432120357241
n³	2.1114591857206E+24
n⁴	2.7087998786041E+32
n⁵	3.4751307683086E+40

Nth Root

^y√n

²√n	11326.536143058
³√n	504.34928573082
⁴√n	106.42620045392
⁵√n	41.844544631994

Divisors of 128290421

1, 7, 18327203, 128290421

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128290420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128290421 can be divided by 4 positive divisors. The sum of these divisors (counting 128290421) is 1, the average is 0.25.

Base conversion 128290421

Base	System	Value
2	Binary	111101001011000111001110101
3	Ternary	22221101211101002
4	Quaternary	13221120321311
5	Quinary	230320243141
6	Senary	20421413045
8	Octal	751307165
10	Decimal	128290421
12	Duodecimal	36b6a185
16	Hexadecimal	7a58e75
20	Vigesimal	201g611
36	Base36	24dpit

Cryptographic Hash Functions

md5	2d665614459bc2daf23ac523b4a113dc
sha1	02900ced61fde04438a023033989cdafe8397264
sha256	83f8779153b3c600c1c0a7c5073ece7b9227cbe041b0e2800ca33fd4676e61f3
sha512	8dd303468db2fbbf1d17e30de880ef2f4b5114a195dda8299a16081d038741c9f8f7b3312f153dafc97c8e93783c439e4b5ce687626a9472f03e39d3fc78c876
ripemd-160	8f7f065d7728ab9551a12b3245ed0a54165f885a

128290421 as geometric shapes

Circle

Radius = n

Diameter	256580842
Circumference	806072488.27908
Area	5.1705689438921E+16

Sphere

Radius = n

Volume	8.8444595549525E+24
Surface area	2.0682275775568E+17
Circumference	806072488.27908

Square

Length = n

Perimeter	513161684
Area	16458432120357241
Diagonal	181430053.30075

Cube

Length = n

Surface area	98750592722143446
Volume	2.1114591857206E+24
Space diagonal	222205527.2964

Equilateral Triangle

Length = n

Perimeter	384871263
Area	7.1267101613456E+15
Altitude	111102763.6482

Triangular Pyramid

Length = n

Surface area	7.1267101613456E+15
Volume	2.488378514036E+23
Height	60476684.433585