129125821 (number)

129125821 is an odd 9-digits composite number following 129125820 and preceding 129125822. In scientific notation, it is written as 1.29125821 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 117387100 positive integers (up to 129125821) that are relatively prime to 129125821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29125821 × 10^8
Engineering notation 1.29125821 × 10^6

Prime Factorization of 129125821

Prime Factorization 11 × 11738711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129125821
Product of the distinct prime numbers

The prime factorization of 129125821 is 11 × 11738711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 26, 26, 378, 992, 5, 2354, 1998, 98721, 972889, 752037, 1943251, 4174589, 57831221, 17744493, 247599476, 398731111, 4148999863, 1398291475

Basic calculations (n = 129125821)

Multiplication

n×y
n×2 258251642
n×3 387377463
n×4 516503284
n×5 645629105

Division

n÷y
n÷2 64562910.5
n÷3 43041940.333333
n÷3 32281455.25
n÷5 25825164.2

Exponentiation

ny
n2 16673477648924041
n3 2.1529764903425E+24
n4 2.7800485690917E+32
n5 3.5897605390384E+40

Nth Root

y√n
2√n 11363.354302318
3√n 505.4416565659
4√n 106.59903518474
5√n 41.898899795223

Divisors of 129125821

1, 11, 11738711, 129125821

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 -129125820
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 129125821 can be divided by 4 positive divisors. The sum of these divisors (counting 129125821) is 1, the average is 0.25.

Base conversion 129125821

Base System Value
2 Binary 111101100100100110110111101
3 Ternary 22222222021022211
4 Quaternary 13230210312331
5 Quinary 231024011241
6 Senary 20451340421
8 Octal 754446675
10 Decimal 129125821
12 Duodecimal 372b1711
16 Hexadecimal 7b24dbd
20 Vigesimal 2070eb1
36 Base36 24vm4d

Cryptographic Hash Functions

md5 6fff3c07e50b987a72a216ac0c77b54f
sha1 8034bc73a4a6358e3720af5ea0d31dc932839846
sha256 eaa9e87e5921c93c14b4f49e23a98fb29abf957b17ff56717556d67c6050334d
sha512 73eed98234d27eaf5ff74158e55db5f14ea61594ae8039e62132213950d9e5075b19a672534690014aca3cf58c92ea5d7b0feda55c4eedb4265654739eccd5c4
ripemd-160 ddca23887dd6050504b328cec6200daf32179a6b

129125821 as geometric shapes

Circle

Radius = n
Diameter 258251642
Circumference 811321461.2847
Area 5.2381274891653E+16

Sphere

Radius = n
Volume 9.0183668338819E+24
Surface area 2.0952509956661E+17
Circumference 811321461.2847

Square

Length = n
Perimeter 516503284
Area 16673477648924041
Diagonal 182611487.31076

Cube

Length = n
Surface area 100040865893544246
Volume 2.1529764903425E+24
Space diagonal 223652482.54104

Equilateral Triangle

Length = n
Perimeter 387377463
Area 7.2198276067001E+15
Altitude 111826241.27052

Triangular Pyramid

Length = n
Surface area 7.2198276067001E+15
Volume 2.5373071267606E+23
Height 60870495.770254