129771888 (number)

129771888 is an even 9-digits composite number following 129771887 and preceding 129771889. In scientific notation, it is written as 1.29771888 × 10^8. The sum of its digits is 51. It has a total of 9 prime factors and 160 positive divisors. There are 38860800 positive integers (up to 129771888) that are relatively prime to 129771888.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29771888 × 10^8
Engineering notation 1.29771888 × 10^6

Prime Factorization of 129771888

Prime Factorization 2 × 2 × 2 × 2 × 3 × 47 × 23 × 41 × 61

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 16221486
Product of the distinct prime numbers

The prime factorization of 129771888 is 2 × 2 × 2 × 2 × 3 × 47 × 23 × 41 × 61. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129771888)

Multiplication

n×y
n×2 259543776
n×3 389315664
n×4 519087552
n×5 648859440

Division

n÷y
n÷2 64885944
n÷3 43257296
n÷3 32442972
n÷5 25954377.6

Exponentiation

ny
n2 16840742915084544
n3 2.1854550034131E+24
n4 2.8361062193197E+32
n5 3.6804685864966E+40

Nth Root

y√n
2√n 11391.746485943
3√n 506.28322866788
4√n 106.73212490128
5√n 41.940743452274

Divisors of 129771888

160 divisors

τ Total Divisors 160
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129771887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.00625
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 160
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129771888 can be divided by 160 positive divisors. The sum of these divisors (counting 129771888) is 1, the average is 0.00625.

Base conversion 129771888

Base System Value
2 Binary 111101111000010100101110000
3 Ternary 100001012002120020
4 Quaternary 13233002211300
5 Quinary 231210200023
6 Senary 20513243440
8 Octal 757024560
10 Decimal 129771888
12 Duodecimal 37563580
16 Hexadecimal 7bc2970
20 Vigesimal 20b19e8
36 Base36 259gmo

Cryptographic Hash Functions

md5 787e13e19e9eeda61b5641d6f95bf9a3
sha1 9b8c166b961d9b416c862a05dd6f556d09ac5364
sha256 cee058d9b721f0faa2290e4018dc978e8f679e298a817697b0dbffa7cafba15a
sha512 0a49286d7554ab41feb5b045e18aeb3267bb5cf780ac19103e637c0638b3104f2c7765d537277e9f801b06b6ff1fbdf5b7cce1cd735db2f0289a1ac7de8865b0
ripemd-160 f843fe8c46c4ace1c166fa88ab4413e4d31a6ca4

129771888 as geometric shapes

Circle

Radius = n
Diameter 259543776
Circumference 815380819.96655
Area 5.2906754223024E+16

Sphere

Radius = n
Volume 9.1544125112984E+24
Surface area 2.116270168921E+17
Circumference 815380819.96655

Square

Length = n
Perimeter 519087552
Area 16840742915084544
Diagonal 183525164.02436

Cube

Length = n
Surface area 101044457490507264
Volume 2.1854550034131E+24
Space diagonal 224771503.41014

Equilateral Triangle

Length = n
Perimeter 389315664
Area 7.292255591533E+15
Altitude 112385751.70507

Triangular Pyramid

Length = n
Surface area 7.292255591533E+15
Volume 2.5755834214858E+23
Height 61175054.674787