29128721 (number)

29128721 is an odd 8-digits composite number following 29128720 and preceding 29128722. In scientific notation, it is written as 2.9128721 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28801344 positive integers (up to 29128721) that are relatively prime to 29128721.

Interesting facts

Basic properties

Name

Name twenty-nine million one hundred twenty-eight thousand seven hundred twenty-one

Notation

Scientific notation 2.9128721 × 10^7
Engineering notation 2.9128721 × 10^6

Prime Factorization of 29128721

Prime Factorization 89 × 327289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 29128721
Product of the distinct prime numbers

The prime factorization of 29128721 is 89 × 327289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 29128721)

Multiplication

n×y
n×2 58257442
n×3 87386163
n×4 116514884
n×5 145643605

Division

n÷y
n÷2 14564360.5
n÷3 9709573.6666667
n÷3 7282180.25
n÷5 5825744.2

Exponentiation

ny
n2 848482387095841
n3 2.4715206727129E+22
n4 7.1992236121186E+29
n5 2.0970417601401E+37

Nth Root

y√n
2√n 5397.1030192132
3√n 307.68557683513
4√n 73.464978181533
5√n 31.10744079009

Divisors of 29128721

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 -29128720
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 29128721 can be divided by 4 positive divisors. The sum of these divisors (counting 29128721) is 1, the average is 0.25.

Base conversion 29128721

Base System Value
2 Binary 1101111000111100000010001
3 Ternary 2000210220002112
4 Quaternary 1233013200101
5 Quinary 24424104341
6 Senary 2520155105
8 Octal 157074021
10 Decimal 29128721
12 Duodecimal 9908a95
16 Hexadecimal 1bc7811
20 Vigesimal 9211g1
36 Base36 hcbv5

Cryptographic Hash Functions

md5 9a240398fcfd3dd27080adb8f120e370
sha1 4b817eddad93fcdf993efd4d1fdf4a3c9bf780e4
sha256 050488d68092e1151617e1bc8a815f70d03dd73b1c0c1d1b5133e8ad6e4de918
sha512 1dc115f2d254ca67af23b8515e54704d22de21ffc1dcd7b2c73e016820a06ddb3344fb72cc9969c83e7f929b7d73a958aee5248b654b8cb05def5a3d15607d38
ripemd-160 823dd9d3db7a5c0559af6e4d576c287849f386c5

29128721 as geometric shapes

Circle

Radius = n
Diameter 58257442
Circumference 183021151.80413
Area 2.6655860340006E+15

Sphere

Radius = n
Volume 1.0352681584787E+23
Surface area 1.0662344136002E+16
Circumference 183021151.80413

Square

Length = n
Perimeter 116514884
Area 848482387095841
Diagonal 41194232.292782

Cube

Length = n
Surface area 5090894322575046
Volume 2.4715206727129E+22
Space diagonal 50452424.731499

Equilateral Triangle

Length = n
Perimeter 87386163
Area 3.6740365094433E+14
Altitude 25226212.365749

Triangular Pyramid

Length = n
Surface area 3.6740365094433E+14
Volume 2.9127150458634E+21
Height 13731410.764261