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

128389906 (number)

128389906 is an even 9-digits composite number following 128389905 and preceding 128389907. In scientific notation, it is written as 1.28389906 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 64194952 positive integers (up to 128389906) that are relatively prime to 128389906.

Interesting facts

128389906 has 4 divisors, whose sum is 192584862
The reverse of 128389906 is 609983821
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1

Name

Name	one hundred twenty-eight million three hundred eighty-nine thousand nine hundred six

Notation

Scientific notation	1.28389906 × 10^8
Engineering notation	1.28389906 × 10^6

Prime Factorization of 128389906

Prime Factorization 2 × 64194953

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128389906	Product of the distinct prime numbers

The prime factorization of 128389906 is 2 × 64194953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 79, 84, 77, 650, 3020, 9484, 95218, 38649, 330662, 783856, 3485781, 9954408, 38606015, 76579796, 658917662, 521448110, 6260872139, 4364842085

Basic calculations (n = 128389906)

Multiplication

n×y

n×2	256779812
n×3	385169718
n×4	513559624
n×5	641949530

Division

n÷y

n÷2	64194953
n÷3	42796635.333333
n÷3	32097476.5
n÷5	25677981.2

Exponentiation

n^y

n²	16483967962688836
n³	2.1163750972366E+24
n⁴	2.7172119979495E+32
n⁵	3.4886259299881E+40

Nth Root

^y√n

²√n	11330.926970023
³√n	504.47962080481
⁴√n	106.4468269608
⁵√n	41.851032433363

Divisors of 128389906

1, 2, 64194953, 128389906

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	-128389905	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 128389906 can be divided by 4 positive divisors. The sum of these divisors (counting 128389906) is 1, the average is 0.25.

Base conversion 128389906

Base	System	Value
2	Binary	111101001110001001100010010
3	Ternary	22221120212211201
4	Quaternary	13221301030102
5	Quinary	230331434111
6	Senary	20423501414
8	Octal	751611422
10	Decimal	128389906
12	Duodecimal	36bb786a
16	Hexadecimal	7a71312
20	Vigesimal	2028ef6
36	Base36	24fuaa

Cryptographic Hash Functions

md5	77f8aa25a898d6c797c1b1b26da42e68
sha1	d9beb1b1b641ff4ed436e03b174c17d595eac7e1
sha256	5437e4368e42fb31638a28b7d5d75a19a1dbcd5566e458912364f711b92eb2a1
sha512	4d72d178da9e488d7ddd8a633cb0adfba2dfe3b98d769b8fda9218f00464f1d27e30afd2cc10cb5d106cee8e063f38c80f091e9acabc5684aa8986311f898d82
ripemd-160	70980b382035622028ea4d93baca0987e0bda4ad

128389906 as geometric shapes

Circle

Radius = n

Diameter	256779812
Circumference	806697570.96937
Area	5.1785912653593E+16

Sphere

Radius = n

Volume	8.8650512769586E+24
Surface area	2.0714365061437E+17
Circumference	806697570.96937

Square

Length = n

Perimeter	513559624
Area	16483967962688836
Diagonal	181570746.33701

Cube

Length = n

Surface area	98903807776133016
Volume	2.1163750972366E+24
Space diagonal	222377840.37099

Equilateral Triangle

Length = n

Perimeter	385169718
Area	7.1377675054287E+15
Altitude	111188920.1855

Triangular Pyramid

Length = n

Surface area	7.1377675054287E+15
Volume	2.4941719713173E+23
Height	60523582.112336