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

128928009 (number)

128928009 is an odd 9-digits composite number following 128928008 and preceding 128928010. In scientific notation, it is written as 1.28928009 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 73612560 positive integers (up to 128928009) that are relatively prime to 128928009.

Interesting facts

128928009 has 8 divisors, whose sum is 135178560
The reverse of 128928009 is 900829821
Previous prime number is 2039

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	1.28928009 × 10^8
Engineering notation	1.28928009 × 10^6

Prime Factorization of 128928009

Prime Factorization 21 × 2039 × 3011

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128928009	Product of the distinct prime numbers

The prime factorization of 128928009 is 21 × 2039 × 3011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 71, 4, 564, 821, 8259, 330, 28092, 31977, 479034, 821182, 1520810, 8025761, 72663701, 24249557, 699206062, 932749655, 5155733288, 7413925537

Basic calculations (n = 128928009)

Multiplication

n×y

n×2	257856018
n×3	386784027
n×4	515712036
n×5	644640045

Division

n÷y

n÷2	64464004.5
n÷3	42976003
n÷3	32232002.25
n÷5	25785601.8

Exponentiation

n^y

n²	16622431504704081
n³	2.1430969986404E+24
n⁴	2.7630522912858E+32
n⁵	3.5623483067836E+40

Nth Root

^y√n

²√n	11354.647022255
³√n	505.18342387699
⁴√n	106.55818608748
⁵√n	41.886054667113

Divisors of 128928009

1, 21, 2039, 3011, 42819, 63231, 6139429, 128928009

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128928008	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128928009 can be divided by 8 positive divisors. The sum of these divisors (counting 128928009) is 1, the average is 0.125.

Base conversion 128928009

Base	System	Value
2	Binary	111101011110100100100001001
3	Ternary	22222121012222110
4	Quaternary	13223310210021
5	Quinary	231001144014
6	Senary	20443212533
8	Octal	753644411
10	Decimal	128928009
12	Duodecimal	37217149
16	Hexadecimal	7af4909
20	Vigesimal	205g009
36	Base36	24rdhl

Cryptographic Hash Functions

md5	d6ba0278971271baee3cac1445f19867
sha1	76142629eb189fab34367cce0f2d716be5d5a602
sha256	85113a9432160b5c78e0a96ec212a185063d3ca98b052209549f5166bf188132
sha512	4fffa01df831851d8a8b7a0dc2cb0702cc46033307f14e153ce21c6e504ce4185b9f4d55c3e87d29a25568a432b1b8836c750554ec850e8a807fa3da8599cf9d
ripemd-160	cc8fbab10f8f3357da5d1f8b8db085c7cf85ecaf

128928009 as geometric shapes

Circle

Radius = n

Diameter	257856018
Circumference	810078571.83272
Area	5.2220908699978E+16

Sphere

Radius = n

Volume	8.9769837158119E+24
Surface area	2.0888363479991E+17
Circumference	810078571.83272

Square

Length = n

Perimeter	515712036
Area	16622431504704081
Diagonal	182331738.89756

Cube

Length = n

Surface area	99734589028224486
Volume	2.1430969986404E+24
Space diagonal	223309862.1067

Equilateral Triangle

Length = n

Perimeter	386784027
Area	7.1977239778703E+15
Altitude	111654931.05335

Triangular Pyramid

Length = n

Surface area	7.1977239778703E+15
Volume	2.5256640341319E+23
Height	60777246.299187