129387618 (number)

129387618 is an even 9-digits composite number following 129387617 and preceding 129387619. In scientific notation, it is written as 1.29387618 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 41640480 positive integers (up to 129387618) that are relatively prime to 129387618.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred eighty-seven thousand six hundred eighteen

Notation

Scientific notation 1.29387618 × 10^8
Engineering notation 1.29387618 × 10^6

Prime Factorization of 129387618

Prime Factorization 2 × 9 × 261 × 27541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129387618
Product of the distinct prime numbers

The prime factorization of 129387618 is 2 × 9 × 261 × 27541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 72, 91, 454, 543, 5179, 3606, 5591, 68185, 546699, 287070, 8583937, 7725844, 15333189, 86784903, 378359238, 366118050, 3011147640, 5730144858

Basic calculations (n = 129387618)

Multiplication

n×y
n×2 258775236
n×3 388162854
n×4 517550472
n×5 646938090

Division

n÷y
n÷2 64693809
n÷3 43129206
n÷3 32346904.5
n÷5 25877523.6

Exponentiation

ny
n2 16741155691713924
n3 2.166098257518E+24
n4 2.8026629389421E+32
n5 3.6262988172659E+40

Nth Root

y√n
2√n 11374.867823408
3√n 505.78301298472
4√n 106.65302538329
5√n 41.91587567397

Divisors of 129387618

1, 2, 9, 18, 261, 522, 2349, 4698, 27541, 55082, 247869, 495738, 7188201, 14376402, 64693809, 129387618

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 -129387617
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 129387618 can be divided by 16 positive divisors. The sum of these divisors (counting 129387618) is 1, the average is 0.0625.

Base conversion 129387618

Base System Value
2 Binary 111101101100100110001100010
3 Ternary 100000110120110000
4 Quaternary 13231210301202
5 Quinary 231110400433
6 Senary 20501120430
8 Octal 755446142
10 Decimal 129387618
12 Duodecimal 373b9116
16 Hexadecimal 7b64c62
20 Vigesimal 208d90i
36 Base36 25184i

Cryptographic Hash Functions

md5 f288ea3342336c7b440f2bf5c340efb6
sha1 3a90b1b9b7d407c8812c5019fe864b118ff1eea1
sha256 9fe53ba7b124736795bfa70297f7a99c4e5507c5e7e62795db2a541a7e40cfa8
sha512 0745bdaf930e4a52b310f29256fd0ef3d68c5ea3105046b3cf3101ff948aba900f4a609fd541823e5939754ab66ce493608b080edf91424c54dbc0646ebedbfc
ripemd-160 e57057c30f6a9167c98cc8359a0c599f7e0cd8a9

129387618 as geometric shapes

Circle

Radius = n
Diameter 258775236
Circumference 812966380.34856
Area 5.2593891733691E+16

Sphere

Radius = n
Volume 9.0733311636963E+24
Surface area 2.1037556693477E+17
Circumference 812966380.34856

Square

Length = n
Perimeter 517550472
Area 16741155691713924
Diagonal 182981724.17875

Cube

Length = n
Surface area 100446934150283544
Volume 2.166098257518E+24
Space diagonal 224105928.24631

Equilateral Triangle

Length = n
Perimeter 388162854
Area 7.2491330588674E+15
Altitude 112052964.12316

Triangular Pyramid

Length = n
Surface area 7.2491330588674E+15
Volume 2.5527712776789E+23
Height 60993908.059583