129249912 (number)

129249912 is an even 9-digits composite number following 129249911 and preceding 129249913. In scientific notation, it is written as 1.29249912 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 35635200 positive integers (up to 129249912) that are relatively prime to 129249912.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred forty-nine thousand nine hundred twelve

Notation

Scientific notation 1.29249912 × 10^8
Engineering notation 1.29249912 × 10^6

Prime Factorization of 129249912

Prime Factorization 2 × 2 × 2 × 33 × 17 × 31 × 929

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32312478
Product of the distinct prime numbers

The prime factorization of 129249912 is 2 × 2 × 2 × 33 × 17 × 31 × 929. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129249912)

Multiplication

n×y
n×2 258499824
n×3 387749736
n×4 516999648
n×5 646249560

Division

n÷y
n÷2 64624956
n÷3 43083304
n÷3 32312478
n÷5 25849982.4

Exponentiation

ny
n2 16705539752007744
n3 2.1591895428595E+24
n4 2.7907505840591E+32
n5 3.6070426740359E+40

Nth Root

y√n
2√n 11368.813130666
3√n 505.60351595523
4√n 106.62463660274
5√n 41.906949740411

Divisors of 129249912

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129249911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129249912 can be divided by 64 positive divisors. The sum of these divisors (counting 129249912) is 1, the average is 0.015625.

Base conversion 129249912

Base System Value
2 Binary 111101101000011001001111000
3 Ternary 100000012120112210
4 Quaternary 13231003021320
5 Quinary 231041444122
6 Senary 20454135120
8 Octal 755031170
10 Decimal 129249912
12 Duodecimal 373514a0
16 Hexadecimal 7b43278
20 Vigesimal 207g4fc
36 Base36 24y9vc

Cryptographic Hash Functions

md5 b91224b32f639c6a4766b64ed74279aa
sha1 6883a60afba83e19494c9a13de22bcd48eed71fb
sha256 b0738d94fbcfbca0f9e8379eea26c73ff6f07ed9584dd3586af245bad96f86d4
sha512 94a31cdf8c51a85250164712f266455b3f7d1ca6be622fbeec9388094f77e56fd500a6d489e4cd85faaadd53565cae6127f11ddcdf97c47086f7633918e23cb2
ripemd-160 dc5a3366e461fa7871b07352b3b75217a174e754

129249912 as geometric shapes

Circle

Radius = n
Diameter 258499824
Circumference 812101148.03265
Area 5.248200095916E+16

Sphere

Radius = n
Volume 9.0443920074071E+24
Surface area 2.0992800383664E+17
Circumference 812101148.03265

Square

Length = n
Perimeter 516999648
Area 16705539752007744
Diagonal 182786978.48593

Cube

Length = n
Surface area 100233238512046464
Volume 2.1591895428595E+24
Space diagonal 223867414.45781

Equilateral Triangle

Length = n
Perimeter 387749736
Area 7.2337109045847E+15
Altitude 111933707.2289

Triangular Pyramid

Length = n
Surface area 7.2337109045847E+15
Volume 2.5446292793717E+23
Height 60928992.828643