129161491 (number)

129161491 is an odd 9-digits composite number following 129161490 and preceding 129161492. In scientific notation, it is written as 1.29161491 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 123545752 positive integers (up to 129161491) that are relatively prime to 129161491.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation 1.29161491 × 10^8
Engineering notation 1.29161491 × 10^6

Prime Factorization of 129161491

Prime Factorization 23 × 5615717

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129161491
Product of the distinct prime numbers

The prime factorization of 129161491 is 23 × 5615717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 11, 70, 902, 97, 5367, 1335, 68300, 16323, 566967, 383658, 4582298, 7707760, 96103229, 63900937, 458802815, 208987821, 1216888087, 7800342589

Basic calculations (n = 129161491)

Multiplication

n×y
n×2 258322982
n×3 387484473
n×4 516645964
n×5 645807455

Division

n÷y
n÷2 64580745.5
n÷3 43053830.333333
n÷3 32290372.75
n÷5 25832298.2

Exponentiation

ny
n2 16682690757343081
n3 2.1547612121104E+24
n4 2.7831217090514E+32
n5 3.5947214957555E+40

Nth Root

y√n
2√n 11364.923712898
3√n 505.48819371825
4√n 106.60639621007
5√n 41.901214388277

Divisors of 129161491

1, 23, 5615717, 129161491

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 -129161490
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 129161491 can be divided by 4 positive divisors. The sum of these divisors (counting 129161491) is 1, the average is 0.25.

Base conversion 129161491

Base System Value
2 Binary 111101100101101100100010011
3 Ternary 100000001002020221
4 Quaternary 13230231210103
5 Quinary 231031131431
6 Senary 20452213511
8 Octal 754554423
10 Decimal 129161491
12 Duodecimal 3730a297
16 Hexadecimal 7b2d913
20 Vigesimal 20753eb
36 Base36 24wdn7

Cryptographic Hash Functions

md5 a2b2402c8c592970e8333741921e986b
sha1 5fd22d25025e330173dafae8c8b2d93d2ba9f74a
sha256 a60512dac9242dcf27302fa196235ab77308e25d63654b6842667c3a8ba71dca
sha512 5a6e270944d502bd6f3ed09ed85e527ff13f4ee1d376168aa948cd48c01d4cad7bef65fb1468985eed0b218ded45debe0c1709c76bcd71b5da8222e869d1b203
ripemd-160 e6788e3fc69fe261212c26b6398cd46a4408470e

129161491 as geometric shapes

Circle

Radius = n
Diameter 258322982
Circumference 811545582.50461
Area 5.2410218725379E+16

Sphere

Radius = n
Volume 9.0258426589415E+24
Surface area 2.0964087490152E+17
Circumference 811545582.50461

Square

Length = n
Perimeter 516645964
Area 16682690757343081
Diagonal 182661932.30853

Cube

Length = n
Surface area 100096144544058486
Volume 2.1547612121104E+24
Space diagonal 223714264.79335

Equilateral Triangle

Length = n
Perimeter 387484473
Area 7.2238169996695E+15
Altitude 111857132.39668

Triangular Pyramid

Length = n
Surface area 7.2238169996695E+15
Volume 2.539410441535E+23
Height 60887310.76951