129120971 (number)

129120971 is an odd 9-digits composite number following 129120970 and preceding 129120972. In scientific notation, it is written as 1.29120971 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 110675112 positive integers (up to 129120971) that are relatively prime to 129120971.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty thousand nine hundred seventy-one

Notation

Scientific notation 1.29120971 × 10^8
Engineering notation 1.29120971 × 10^6

Prime Factorization of 129120971

Prime Factorization 7 × 18445853

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129120971
Product of the distinct prime numbers

The prime factorization of 129120971 is 7 × 18445853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129120971)

Multiplication

n×y
n×2 258241942
n×3 387362913
n×4 516483884
n×5 645604855

Division

n÷y
n÷2 64560485.5
n÷3 43040323.666667
n÷3 32280242.75
n÷5 25824194.2

Exponentiation

ny
n2 16672225151982841
n3 2.1527339003546E+24
n4 2.7796309151841E+32
n5 3.5890864279019E+40

Nth Root

y√n
2√n 11363.140895017
3√n 505.43532831256
4√n 106.59803419865
5√n 41.898585043742

Divisors of 129120971

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 -129120970
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 129120971 can be divided by 4 positive divisors. The sum of these divisors (counting 129120971) is 1, the average is 0.25.

Base conversion 129120971

Base System Value
2 Binary 111101100100011101011001011
3 Ternary 22222222000200012
4 Quaternary 13230203223023
5 Quinary 231023332341
6 Senary 20451302135
8 Octal 754435313
10 Decimal 129120971
12 Duodecimal 372aa94b
16 Hexadecimal 7b23acb
20 Vigesimal 207028b
36 Base36 24vidn

Cryptographic Hash Functions

md5 971d843828de889022bf508f9a8f01c5
sha1 0cf351b804ecf3fca9fe404e27fe883311b98323
sha256 6470e7a4fd275208410e7dcd0a10f5169d715e9fb05cc7e0e95d4c2966a0a638
sha512 819aa8d252d60f5e5c129d8e3d2b5e70a5f89cd13f46a1c812ffbc86163e7f96ea027a90423cf5d9999925847d59e63b342ed2f668ebde53c397ca907a1db155
ripemd-160 2cd145e83a11791b6463bf4008894c1425667714

129120971 as geometric shapes

Circle

Radius = n
Diameter 258241942
Circumference 811290987.83596
Area 5.2377340056464E+16

Sphere

Radius = n
Volume 9.0173506753171E+24
Surface area 2.0950936022586E+17
Circumference 811290987.83596

Square

Length = n
Perimeter 516483884
Area 16672225151982841
Diagonal 182604628.37498

Cube

Length = n
Surface area 100033350911897046
Volume 2.1527339003546E+24
Space diagonal 223644082.09463

Equilateral Triangle

Length = n
Perimeter 387362913
Area 7.2192852596155E+15
Altitude 111822041.04731

Triangular Pyramid

Length = n
Surface area 7.2192852596155E+15
Volume 2.5370212317182E+23
Height 60868209.458328