128492721, one hundred twenty-eight million four hundred ninety-two thousand seven hundred twenty-one: Prime Factorization, Divisors, Base conversion, Basic calculations, Geometric Shapes

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

Interesting facts

128492721 has 8 divisors, whose sum is 163165440
The reverse of 128492721 is 127294821
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	1.28492721 × 10^8
Engineering notation	1.28492721 × 10^6

Prime Factorization of 128492721

Prime Factorization 9 × 7 × 2039567

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128492721	Product of the distinct prime numbers

The prime factorization of 128492721 is 9 × 7 × 2039567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 91, 92, 856, 138, 2682, 325, 2331, 19666, 527506, 931782, 6922194, 2234753, 31382342, 46699091, 935190829, 708003442, 9219207110, 1434263764

Basic calculations (n = 128492721)

Multiplication

n×y

n×2	256985442
n×3	385478163
n×4	513970884
n×5	642463605

Division

n÷y

n÷2	64246360.5
n÷3	42830907
n÷3	32123180.25
n÷5	25698544.2

Exponentiation

n^y

n²	16510379349983841
n³	2.1214635674216E+24
n⁴	2.7259262628037E+32
n⁵	3.5026168275301E+40

Nth Root

^y√n

²√n	11335.462981281
³√n	504.61424777723
⁴√n	106.46813129421
⁵√n	41.857733172356

Divisors of 128492721

1, 7, 9, 63, 2039567, 14276969, 18356103, 128492721

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	-128492720	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 128492721 can be divided by 8 positive divisors. The sum of these divisors (counting 128492721) is 1, the average is 0.125.

Base conversion 128492721

Base	System	Value
2	Binary	111101010001010010010110001
3	Ternary	22221210002212200
4	Quaternary	13222022102301
5	Quinary	230343231341
6	Senary	20430013413
8	Octal	752122261
10	Decimal	128492721
12	Duodecimal	37047269
16	Hexadecimal	7a8a4b1
20	Vigesimal	2031bg1
36	Base36	24i1m9

Cryptographic Hash Functions

md5	d86a4dbbfa915742064b85401b42fb9a
sha1	683c80c5c28c37ecf73df2c5e6d2aa16337bd974
sha256	b6b109adbe8599e8992eac59a8d9244cf3d428caafc1ffce713ceda4bef39703
sha512	8bbac4682cb92028b680e01a89542cf07cd6688d9bd743fb643c3022b85fce5c0b38c51cc38382fdec2ff05125305c3c932eb04ce45db818bd51938ff62ad084
ripemd-160	936b09c0a868aa2f6685761eae64e3117a630bc9

128492721 as geometric shapes

Circle

Radius = n

Diameter	256985442
Circumference	807343576.66673
Area	5.186888647389E+16

Sphere

Radius = n

Volume	8.8863658110269E+24
Surface area	2.0747554589556E+17
Circumference	807343576.66673

Square

Length = n

Perimeter	513970884
Area	16510379349983841
Diagonal	181716148.70442

Cube

Length = n

Surface area	99062276099903046
Volume	2.1214635674216E+24
Space diagonal	222555921.17477

Equilateral Triangle

Length = n

Perimeter	385478163
Area	7.149203971602E+15
Altitude	111277960.58739

Triangular Pyramid

Length = n

Surface area	7.149203971602E+15
Volume	2.5001687909401E+23
Height	60572049.568141