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

129661661 (number)

129661661 is an odd 9-digits composite number following 129661660 and preceding 129661662. In scientific notation, it is written as 1.29661661 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 127536000 positive integers (up to 129661661) that are relatively prime to 129661661.

Interesting facts

129661661 has 4 divisors, whose sum is 131787324
The reverse of 129661661 is 166166921
Previous prime number is 61

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 six hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation	1.29661661 × 10^8
Engineering notation	1.29661661 × 10^6

Prime Factorization of 129661661

Prime Factorization 61 × 2125601

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129661661	Product of the distinct prime numbers

The prime factorization of 129661661 is 61 × 2125601. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 23, 39, 958, 174, 2341, 2905, 88160, 13722, 348482, 117895, 9801156, 2095706, 91443341, 11795428, 85324376, 744353119, 2458235597, 458649443

Basic calculations (n = 129661661)

Multiplication

n×y

n×2	259323322
n×3	388984983
n×4	518646644
n×5	648308305

Division

n÷y

n÷2	64830830.5
n÷3	43220553.666667
n÷3	32415415.25
n÷5	25932332.2

Exponentiation

n^y

n²	16812146333278921
n³	2.179890818548E+24
n⁴	2.8264826433158E+32
n⁵	3.6648643432E+40

Nth Root

^y√n

²√n	11386.907437931
³√n	506.13984402028
⁴√n	106.70945336722
⁵√n	41.933616217101

Divisors of 129661661

1, 61, 2125601, 129661661

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	-129661660	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 129661661 can be divided by 4 positive divisors. The sum of these divisors (counting 129661661) is 1, the average is 0.25.

Base conversion 129661661

Base	System	Value
2	Binary	111101110100111101011011101
3	Ternary	100000222111100202
4	Quaternary	13232213223131
5	Quinary	231143133121
6	Senary	20511033245
8	Octal	756475335
10	Decimal	129661661
12	Duodecimal	3750b825
16	Hexadecimal	7ba7add
20	Vigesimal	20a7e31
36	Base36	2573kt

Cryptographic Hash Functions

md5	6a8c55fe69209c42fbf10fcd580bcb53
sha1	e03659337d98782ae21126a5bbbdb40254230568
sha256	258b3ed2a7fb58c4eea70dfaee39b258fdabf52c84de92c00cf7de188ff1c8ec
sha512	44778ca263cb9afeacf84da969d60048eba13efecf1fa8d8d12b38fd3696f5ede344a78b4e1eb204bd3c94e306dff05ea0176fc7bd064a9ca8d2a809b38f8e9b
ripemd-160	46eb3ec0650ad388fb8bae504fc493cffc10813a

129661661 as geometric shapes

Circle

Radius = n

Diameter	259323322
Circumference	814688243.2997
Area	5.2816915411706E+16

Sphere

Radius = n

Volume	9.1311053082377E+24
Surface area	2.1126766164682E+17
Circumference	814688243.2997

Square

Length = n

Perimeter	518646644
Area	16812146333278921
Diagonal	183369279.50602

Cube

Length = n

Surface area	100872877999673526
Volume	2.179890818548E+24
Space diagonal	224580584.64577

Equilateral Triangle

Length = n

Perimeter	388984983
Area	7.2798729083805E+15
Altitude	112290292.32289

Triangular Pyramid

Length = n

Surface area	7.2798729083805E+15
Volume	2.569025966736E+23
Height	61123093.168674