129660491 (number)

129660491 is an odd 9-digits composite number following 129660490 and preceding 129660492. In scientific notation, it is written as 1.29660491 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 125686080 positive integers (up to 129660491) that are relatively prime to 129660491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29660491 × 10^8
Engineering notation 1.29660491 × 10^6

Prime Factorization of 129660491

Prime Factorization 41 × 157 × 20143

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129660491
Product of the distinct prime numbers

The prime factorization of 129660491 is 41 × 157 × 20143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 57, 42, 672, 263, 2972, 1709, 82648, 31670, 753976, 424808, 2461428, 5139007, 5024450, 12472752, 580359404, 186890004, 3246761351, 6685272260

Basic calculations (n = 129660491)

Multiplication

n×y
n×2 259320982
n×3 388981473
n×4 518641964
n×5 648302455

Division

n÷y
n÷2 64830245.5
n÷3 43220163.666667
n÷3 32415122.75
n÷5 25932098.2

Exponentiation

ny
n2 16811842926361081
n3 2.1798318084469E+24
n4 2.8263806258064E+32
n5 3.6646989969494E+40

Nth Root

y√n
2√n 11386.856063023
3√n 506.138321634
4√n 106.70921264363
5√n 41.93354053936

Divisors of 129660491

1, 41, 157, 6437, 20143, 825863, 3162451, 129660491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129660490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129660491 can be divided by 8 positive divisors. The sum of these divisors (counting 129660491) is 1, the average is 0.125.

Base conversion 129660491

Base System Value
2 Binary 111101110100111011001001011
3 Ternary 100000222102202102
4 Quaternary 13232213121023
5 Quinary 231143113431
6 Senary 20511024015
8 Octal 756473113
10 Decimal 129660491
12 Duodecimal 3750b00b
16 Hexadecimal 7ba764b
20 Vigesimal 20a7b4b
36 Base36 2572ob

Cryptographic Hash Functions

md5 e36d3a5dac4f296e8bdcf9cb598c5262
sha1 0c91bfef3c61ac3a3053bbbf9d6c08ddd0887ee9
sha256 6a4f942766043b9ec74625852aab71d3c65ee90c150f69d7ece915f9c822e134
sha512 2c030273c1f9fcbf7db3958040b0d12fed5ac650b831f7f49f4397b11acdb3234ffc8807bc89302e331cc4405af5699e2a86951e0bdb9a26f96ee1dfc90f5f2a
ripemd-160 8d34aef678550d91f1515438453e6f9df2bbc30b

129660491 as geometric shapes

Circle

Radius = n
Diameter 259320982
Circumference 814680891.97289
Area 5.2815962230761E+16

Sphere

Radius = n
Volume 9.130858127304E+24
Surface area 2.1126384892305E+17
Circumference 814680891.97289

Square

Length = n
Perimeter 518641964
Area 16811842926361081
Diagonal 183367624.87615

Cube

Length = n
Surface area 100871057558166486
Volume 2.1798318084469E+24
Space diagonal 224578558.14633

Equilateral Triangle

Length = n
Perimeter 388981473
Area 7.2797415293312E+15
Altitude 112289279.07316

Triangular Pyramid

Length = n
Surface area 7.2797415293312E+15
Volume 2.5689564226648E+23
Height 61122541.625385