129771890 (number)

129771890 is an even 9-digits composite number following 129771889 and preceding 129771891. In scientific notation, it is written as 1.29771890 × 10^8. The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors. There are 50057280 positive integers (up to 129771890) that are relatively prime to 129771890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29771890 × 10^8
Engineering notation 1.29771890 × 10^6

Prime Factorization of 129771890

Prime Factorization 2 × 5 × 31 × 383 × 1093

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129771890
Product of the distinct prime numbers

The prime factorization of 129771890 is 2 × 5 × 31 × 383 × 1093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129771890)

Multiplication

n×y
n×2 259543780
n×3 389315670
n×4 519087560
n×5 648859450

Division

n÷y
n÷2 64885945
n÷3 43257296.666667
n÷3 32442972.5
n÷5 25954378

Exponentiation

ny
n2 16840743434172100
n3 2.1854551044576E+24
n4 2.8361063941561E+32
n5 3.6804688701072E+40

Nth Root

y√n
2√n 11391.746573726
3√n 506.28323126877
4√n 106.73212531251
5√n 41.940743581549

Divisors of 129771890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129771889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129771890 can be divided by 32 positive divisors. The sum of these divisors (counting 129771890) is 1, the average is 0.03125.

Base conversion 129771890

Base System Value
2 Binary 111101111000010100101110010
3 Ternary 100001012002120022
4 Quaternary 13233002211302
5 Quinary 231210200030
6 Senary 20513243442
8 Octal 757024562
10 Decimal 129771890
12 Duodecimal 37563582
16 Hexadecimal 7bc2972
20 Vigesimal 20b19ea
36 Base36 259gmq

Cryptographic Hash Functions

md5 044d4ec6264d96e7cd3841ffc16c024f
sha1 872d5892d16a4236fc941f3032806b3fe937db53
sha256 21239ecb1a3418e516911fdf360eda0fbb5444887f0f09a957d4c96446e97b52
sha512 dd1b3ad609eebc02de8e802ffca2b0c8301aa7b7b8536e52ad781b9a35bc2a04f71a4593d86b006d19bcb571416a32363c8913495ac5142a47174772fcf4a76b
ripemd-160 0126d7938c221ed04df34f2f0f2360b3649eddfa

129771890 as geometric shapes

Circle

Radius = n
Diameter 259543780
Circumference 815380832.53293
Area 5.2906755853786E+16

Sphere

Radius = n
Volume 9.1544129345524E+24
Surface area 2.1162702341514E+17
Circumference 815380832.53293

Square

Length = n
Perimeter 519087560
Area 16840743434172100
Diagonal 183525166.85279

Cube

Length = n
Surface area 101044460605032600
Volume 2.1854551044576E+24
Space diagonal 224771506.87424

Equilateral Triangle

Length = n
Perimeter 389315670
Area 7.2922558163045E+15
Altitude 112385753.43712

Triangular Pyramid

Length = n
Surface area 7.2922558163045E+15
Volume 2.5755835405679E+23
Height 61175055.617596