129666721 (number)

129666721 is an odd 9-digits prime number following 129666720 and preceding 129666722. In scientific notation, it is written as 1.29666721 × 10^8. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 129666720 positive integers (up to 129666721) that are relatively prime to 129666721.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred sixty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.29666721 × 10^8
Engineering notation 1.29666721 × 10^6

Prime Factorization of 129666721

Prime Factorization 129666721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 129666721
Product of the distinct prime numbers

The prime factorization of 129666721 is 129666721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 58, 18, 358, 500, 2728, 4001, 47851, 46456, 954861, 958489, 7947175, 4102250, 41020655, 97779279, 144526933, 385586037, 4394540741, 9117270160

Basic calculations (n = 129666721)

Multiplication

n×y
n×2 259333442
n×3 389000163
n×4 518666884
n×5 648333605

Division

n÷y
n÷2 64833360.5
n÷3 43222240.333333
n÷3 32416680.25
n÷5 25933344.2

Exponentiation

ny
n2 16813458534891841
n3 2.1801460368889E+24
n4 2.8269238790453E+32
n5 3.665579499124E+40

Nth Root

y√n
2√n 11387.12962076
3√n 506.14642791016
4√n 106.71049442656
5√n 41.933943500871

Divisors of 129666721

1, 129666721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 129666722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64833361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11387.12966467
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999845758
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129666721 can be divided by 2 positive divisors. The sum of these divisors (counting 129666721) is 129666722, the average is 64833361.

Base conversion 129666721

Base System Value
2 Binary 111101110101000111010100001
3 Ternary 100000222202022011
4 Quaternary 13232220322201
5 Quinary 231143313341
6 Senary 20511112521
8 Octal 756507241
10 Decimal 129666721
12 Duodecimal 37512741
16 Hexadecimal 7ba8ea1
20 Vigesimal 20a86g1
36 Base36 2577hd

Cryptographic Hash Functions

md5 47b4aa06dfdde1d329860e017c21e6be
sha1 768f9b24b6674814635c69e41b34d99f01423390
sha256 8c525da38012dbd85c382c13663ef21d700aee4bfcc12e2a320567eadebcf14b
sha512 533e8ed0163ab12fd09d726a18703365bc9da85fcc3ded0955ef1be2643db9b87c1e8a27207237878f218ee3094d8e121d1f0804b898f4c443f56d25ec3e4d7d
ripemd-160 a09b11734479b5c27fb18bce9334161fbc960f75

129666721 as geometric shapes

Circle

Radius = n
Diameter 259333442
Circumference 814720036.21735
Area 5.2821037814653E+16

Sphere

Radius = n
Volume 9.132174364324E+24
Surface area 2.1128415125861E+17
Circumference 814720036.21735

Square

Length = n
Perimeter 518666884
Area 16813458534891841
Diagonal 183376435.42665

Cube

Length = n
Surface area 100880751209351046
Volume 2.1801460368889E+24
Space diagonal 224589348.82286

Equilateral Triangle

Length = n
Perimeter 389000163
Area 7.2804411083463E+15
Altitude 112294674.41143

Triangular Pyramid

Length = n
Surface area 7.2804411083463E+15
Volume 2.5693267444352E+23
Height 61125478.475549