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

129872 (number)

129872 is an even 6-digits composite number following 129871 and preceding 129873. In scientific notation, it is written as 1.29872 × 10^5. The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors. There are 64928 positive integers (up to 129872) that are relatively prime to 129872.

Interesting facts

129872 has 10 divisors, whose sum is 251658
The reverse of 129872 is 278921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-nine thousand eight hundred seventy-two

Notation

Scientific notation	1.29872 × 10^5
Engineering notation	1.29872 × 10^3

Prime Factorization of 129872

Prime Factorization 2 × 2 × 2 × 2 × 8117

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	16234	Product of the distinct prime numbers

The prime factorization of 129872 is 2 × 2 × 2 × 2 × 8117. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 95, 63, 626, 53, 4255, 5731, 61786, 20942, 866130, 4875, 9512465, 7465749, 61999686, 56422250, 412655912, 427328429, 895426856, 972735647

Basic calculations (n = 129872)

Multiplication

n×y

n×2	259744
n×3	389616
n×4	519488
n×5	649360

Division

n÷y

n÷2	64936
n÷3	43290.666666667
n÷3	32468
n÷5	25974.4

Exponentiation

n^y

n²	16866736384
n³	2190516787662848
n⁴	2.8448679624735E+20
n⁵	3.6946869202236E+25

Nth Root

^y√n

²√n	360.37757976878
³√n	50.641338525615
⁴√n	18.983613453944
⁵√n	10.536663381764

Divisors of 129872

1, 2, 4, 8, 16, 8117, 16234, 32468, 64936, 129872

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-129871	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129872 can be divided by 10 positive divisors. The sum of these divisors (counting 129872) is 1, the average is 0.1.

Base conversion 129872

Base	System	Value
2	Binary	11111101101010000
3	Ternary	20121011002
4	Quaternary	133231100
5	Quinary	13123442
6	Senary	2441132
8	Octal	375520
10	Decimal	129872
12	Duodecimal	631a8
16	Hexadecimal	1fb50
20	Vigesimal	g4dc
36	Base36	2s7k

Cryptographic Hash Functions

md5	d2585b3e6cd431791852705945f186b6
sha1	cfe3fe020c8bbdd6f57ac28c2ff06a3f6b110869
sha256	84db0769697053c5cba1ce97038b6c80ad948dbff10fddc6ec7f12edaf079f07
sha512	3f59dd1bd24dbb4b777ce3511b63ce322654f1b4658e1f39f9836c4c1926b6e4cb2c21b1ba7f8f73b12a83e53e0c9d731e4aaa40b3b58f72f749411cd3d6d269
ripemd-160	af4978abbaa89d33a718060abaa26cfcf4368fdb

129872 as geometric shapes

Circle

Radius = n

Diameter	259744
Circumference	816009.84221403
Area	52988415114.01

Sphere

Radius = n

Volume	9.1756152635823E+15
Surface area	211953660456.04
Circumference	816009.84221403

Square

Length = n

Perimeter	519488
Area	16866736384
Diagonal	183666.74377252

Cube

Length = n

Surface area	101200418304
Volume	2190516787662848
Space diagonal	224944.90248059

Equilateral Triangle

Length = n

Perimeter	389616
Area	7303511093.7396
Altitude	112472.45124029

Triangular Pyramid

Length = n

Surface area	7303511093.7396
Volume	2.5815487914323E+14
Height	61222.247924173