129281142 (number)

129281142 is an even 9-digits composite number following 129281141 and preceding 129281143. In scientific notation, it is written as 1.29281142 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 43002792 positive integers (up to 129281142) that are relatively prime to 129281142.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred eighty-one thousand one hundred forty-two

Notation

Scientific notation 1.29281142 × 10^8
Engineering notation 1.29281142 × 10^6

Prime Factorization of 129281142

Prime Factorization 2 × 3 × 479 × 44983

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129281142
Product of the distinct prime numbers

The prime factorization of 129281142 is 2 × 3 × 479 × 44983. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129281142)

Multiplication

n×y
n×2 258562284
n×3 387843426
n×4 517124568
n×5 646405710

Division

n÷y
n÷2 64640571
n÷3 43093714
n÷3 32320285.5
n÷5 25856228.4

Exponentiation

ny
n2 16713613676824164
n3 2.1607550630866E+24
n4 2.7934488213812E+32
n5 3.6114025374672E+40

Nth Root

y√n
2√n 11370.186542005
3√n 505.64423481266
4√n 106.63107681162
5√n 41.908974697407

Divisors of 129281142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129281141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129281142 can be divided by 16 positive divisors. The sum of these divisors (counting 129281142) is 1, the average is 0.0625.

Base conversion 129281142

Base System Value
2 Binary 111101101001010110001110110
3 Ternary 100000021011101110
4 Quaternary 13231022301312
5 Quinary 231043444032
6 Senary 20454535450
8 Octal 755126166
10 Decimal 129281142
12 Duodecimal 37367586
16 Hexadecimal 7b4ac76
20 Vigesimal 20802h2
36 Base36 24yxyu

Cryptographic Hash Functions

md5 0cf886f912f305c0a1904a05da7d418a
sha1 0a7e736c2d940d295f50a87e4b5b8dab91df27ac
sha256 3a40d24a0c316bc7716de92a1fc2490ca65a013f4caabf124b1f99b5245b29ed
sha512 dfa472c2b872a97d8af4c5c80d398b865b17246e4b4ac9ddb7f47607ec0ab4ea04ba3d10c1a13b6ab02651960734f4c70802f6dce3e9dfc019fc9964f438c669
ripemd-160 46b027f63735bf94e9fa46e724636fb04a71efeb

129281142 as geometric shapes

Circle

Radius = n
Diameter 258562284
Circumference 812297371.9098
Area 5.2507365942049E+16

Sphere

Radius = n
Volume 9.0509496431999E+24
Surface area 2.1002946376819E+17
Circumference 812297371.9098

Square

Length = n
Perimeter 517124568
Area 16713613676824164
Diagonal 182831144.37548

Cube

Length = n
Surface area 100281682060944984
Volume 2.1607550630866E+24
Space diagonal 223921506.40453

Equilateral Triangle

Length = n
Perimeter 387843426
Area 7.2372070165844E+15
Altitude 111960753.20226

Triangular Pyramid

Length = n
Surface area 7.2372070165844E+15
Volume 2.5464742626529E+23
Height 60943714.791827