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

128445 (number)

128445 is an odd 6-digits composite number following 128444 and preceding 128446. In scientific notation, it is written as 1.28445 × 10^5. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 68496 positive integers (up to 128445) that are relatively prime to 128445.

Interesting facts

128445 has 8 divisors, whose sum is 205536
The reverse of 128445 is 544821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 24
Digital Root 6

Name

Name	one hundred twenty-eight thousand four hundred forty-five

Notation

Scientific notation	1.28445 × 10^5
Engineering notation	1.28445 × 10^3

Prime Factorization of 128445

Prime Factorization 3 × 5 × 8563

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128445	Product of the distinct prime numbers

The prime factorization of 128445 is 3 × 5 × 8563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 30, 78, 145, 462, 3003, 9827, 19279, 96360, 491984, 138702, 250465, 2881559, 16070322, 88297240, 48921726, 625558482, 4814135599, 1857464134

Basic calculations (n = 128445)

Multiplication

n×y

n×2	256890
n×3	385335
n×4	513780
n×5	642225

Division

n÷y

n÷2	64222.5
n÷3	42815
n÷3	32111.25
n÷5	25689

Exponentiation

n^y

n²	16498118025
n³	2119100769721125
n⁴	2.7218789836683E+20
n⁵	3.4961174605727E+25

Nth Root

^y√n

²√n	358.39224321963
³√n	50.45517703646
⁴√n	18.931250439937
⁵√n	10.513406110652

Divisors of 128445

1, 3, 5, 15, 8563, 25689, 42815, 128445

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	-128444	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 128445 can be divided by 8 positive divisors. The sum of these divisors (counting 128445) is 1, the average is 0.125.

Base conversion 128445

Base	System	Value
2	Binary	11111010110111101
3	Ternary	20112012020
4	Quaternary	133112331
5	Quinary	13102240
6	Senary	2430353
8	Octal	372675
10	Decimal	128445
12	Duodecimal	623b9
16	Hexadecimal	1f5bd
20	Vigesimal	g125
36	Base36	2r3x

Cryptographic Hash Functions

md5	0e209aae8176e3cb00ed2d2e9535fcad
sha1	7617b77f866bcacea747ade44c7df153ac7e8051
sha256	ed2255e704e6386e247eabff708c006615e711f7996ab84cd5cbfbd1580d0bf1
sha512	5bb1aea1b7d6c138c6ac19a412315c1974d0d1ee3bac405448a8378f3104b78e103ea5b93588f9db958e1a1d5224c494aad5173cc39c80b6a0215419eb93c9f6
ripemd-160	78a889aa528b9cc38edbc1b6d3526e039e3f15c3

128445 as geometric shapes

Circle

Radius = n

Diameter	256890
Circumference	807043.73678068
Area	51830366385.397

Sphere

Radius = n

Volume	8.8764685471631E+15
Surface area	207321465541.59
Circumference	807043.73678068

Square

Length = n

Perimeter	513780
Area	16498118025
Diagonal	181648.66101901

Cube

Length = n

Surface area	98988708150
Volume	2119100769721125
Space diagonal	222473.26597818

Equilateral Triangle

Length = n

Perimeter	385335
Area	7143894662.142
Altitude	111236.63298909

Triangular Pyramid

Length = n

Surface area	7143894662.142
Volume	2.4973842071457E+14
Height	60549.553673004