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

129129905 (number)

129129905 is an odd 9-digits composite number following 129129904 and preceding 129129906. In scientific notation, it is written as 1.29129905 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 103303920 positive integers (up to 129129905) that are relatively prime to 129129905.

Interesting facts

129129905 has 4 divisors, whose sum is 154955892
The reverse of 129129905 is 509921921
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	1.29129905 × 10^8
Engineering notation	1.29129905 × 10^6

Prime Factorization of 129129905

Prime Factorization 5 × 25825981

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129129905	Product of the distinct prime numbers

The prime factorization of 129129905 is 5 × 25825981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 58, 51, 445, 776, 1419, 4434, 58176, 87685, 922469, 218183, 5693896, 9672668, 23604208, 90865541, 252466888, 979171473, 3797839072, 1206845550

Basic calculations (n = 129129905)

Multiplication

n×y

n×2	258259810
n×3	387389715
n×4	516519620
n×5	645649525

Division

n÷y

n÷2	64564952.5
n÷3	43043301.666667
n÷3	32282476.25
n÷5	25825981

Exponentiation

n^y

n²	16674532365309025
n³	2.1531807802518E+24
n⁴	2.7804002960174E+32
n⁵	3.590328260867E+40

Nth Root

^y√n

²√n	11363.534001357
³√n	505.44698522376
⁴√n	106.59987805508
⁵√n	41.899164828105

Divisors of 129129905

1, 5, 25825981, 129129905

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	-129129904	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 129129905 can be divided by 4 positive divisors. The sum of these divisors (counting 129129905) is 1, the average is 0.25.

Base conversion 129129905

Base	System	Value
2	Binary	111101100100101110110110001
3	Ternary	22222222110221002
4	Quaternary	13230211312301
5	Quinary	231024124110
6	Senary	20451411345
8	Octal	754456661
10	Decimal	129129905
12	Duodecimal	372b3b55
16	Hexadecimal	7b25db1
20	Vigesimal	20714f5
36	Base36	24vp9t

Cryptographic Hash Functions

md5	65fa448c689ace6603e8eccd301c8642
sha1	b73f12ac4816294e381591f3f32a4ae534c42726
sha256	a4f42c2440ee0390fee3fb40ca2ec1318860115b47ca053d6f1281c6a137521c
sha512	73d6fe422922fcb06811c0b5779e3ea6b87011daf0a3b78891f3449dae6e28e6217558a34b6fff60aeb3fa85d64bb9ab61a30e80093c43fd8bbbc4ce0e468117
ripemd-160	76f12917335276a69ff16cd6170c52a6a8a1167e

129129905 as geometric shapes

Circle

Radius = n

Diameter	258259810
Circumference	811347121.8135
Area	5.23845883809E+16

Sphere

Radius = n

Volume	9.019222561453E+24
Surface area	2.095383535236E+17
Circumference	811347121.8135

Square

Length = n

Perimeter	516519620
Area	16674532365309025
Diagonal	182617262.95895

Cube

Length = n

Surface area	100047194191854150
Volume	2.1531807802518E+24
Space diagonal	223659556.23654

Equilateral Triangle

Length = n

Perimeter	387389715
Area	7.2202843122917E+15
Altitude	111829778.11827

Triangular Pyramid

Length = n

Surface area	7.2202843122917E+15
Volume	2.5375478847276E+23
Height	60872420.986316