129121391 (number)

129121391 is an odd 9-digits composite number following 129121390 and preceding 129121392. In scientific notation, it is written as 1.29121391 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 110324448 positive integers (up to 129121391) that are relatively prime to 129121391.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-one thousand three hundred ninety-one

Notation

Scientific notation 1.29121391 × 10^8
Engineering notation 1.29121391 × 10^6

Prime Factorization of 129121391

Prime Factorization 7 × 317 × 58189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 129121391
Product of the distinct prime numbers

The prime factorization of 129121391 is 7 × 317 × 58189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 8, 78, 268, 405, 3007, 1, 35688, 34044, 907648, 365848, 8991798, 542786, 50110568, 97559404, 586087390, 984222567, 7662765269, 8308254735

Basic calculations (n = 129121391)

Multiplication

n×y
n×2 258242782
n×3 387364173
n×4 516485564
n×5 645606955

Division

n÷y
n÷2 64560695.5
n÷3 43040463.666667
n÷3 32280347.75
n÷5 25824278.2

Exponentiation

ny
n2 16672333613774881
n3 2.1527549074267E+24
n4 2.7796670812901E+32
n5 3.5891448005308E+40

Nth Root

y√n
2√n 11363.159375807
3√n 505.43587633252
4√n 106.5981208831
5√n 41.898612300946

Divisors of 129121391

1, 7, 317, 2219, 58189, 407323, 18445913, 129121391

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 -129121390
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 129121391 can be divided by 8 positive divisors. The sum of these divisors (counting 129121391) is 1, the average is 0.125.

Base conversion 129121391

Base System Value
2 Binary 111101100100011110001101111
3 Ternary 22222222001020202
4 Quaternary 13230203301233
5 Quinary 231023341031
6 Senary 20451304115
8 Octal 754436157
10 Decimal 129121391
12 Duodecimal 372ab03b
16 Hexadecimal 7b23c6f
20 Vigesimal 207039b
36 Base36 24vipb

Cryptographic Hash Functions

md5 689ffef38a3de5e0247c070b8202f5ab
sha1 d17b481b1eaeb8a0fabf979c64d25700c75975ca
sha256 73052bb569c33e9e8a8d8733321f51a93f1479b3dff5ace1a94c33989ee6086e
sha512 e77c1a35c2de3eefda06858da7583756827a63fd8adf10ac1ce5f42fcf4190bb62bef67f3f9814a59ba61c96eb2f3a86427fd5626b7d0de10ff12ba575ab5973
ripemd-160 8294255ab1c3ae100a0a35afb2c603d951f83462

129121391 as geometric shapes

Circle

Radius = n
Diameter 258242782
Circumference 811293626.77379
Area 5.2377680799233E+16

Sphere

Radius = n
Volume 9.0174386695347E+24
Surface area 2.0951072319693E+17
Circumference 811293626.77379

Square

Length = n
Perimeter 516485564
Area 16672333613774881
Diagonal 182605222.34468

Cube

Length = n
Surface area 100034001682649286
Volume 2.1527549074267E+24
Space diagonal 223644809.55597

Equilateral Triangle

Length = n
Perimeter 387364173
Area 7.2193322249491E+15
Altitude 111822404.77798

Triangular Pyramid

Length = n
Surface area 7.2193322249491E+15
Volume 2.53704598879E+23
Height 60868407.448226