129609985 (number)

129609985 is an odd 9-digits composite number following 129609984 and preceding 129609986. In scientific notation, it is written as 1.29609985 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 103687984 positive integers (up to 129609985) that are relatively prime to 129609985.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred nine thousand nine hundred eighty-five

Notation

Scientific notation 1.29609985 × 10^8
Engineering notation 1.29609985 × 10^6

Prime Factorization of 129609985

Prime Factorization 5 × 25921997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129609985
Product of the distinct prime numbers

The prime factorization of 129609985 is 5 × 25921997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129609985)

Multiplication

n×y
n×2 259219970
n×3 388829955
n×4 518439940
n×5 648049925

Division

n÷y
n÷2 64804992.5
n÷3 43203328.333333
n÷3 32402496.25
n÷5 25921997

Exponentiation

ny
n2 16798748211700225
n3 2.1772855037372E+24
n4 2.821979414801E+32
n5 3.6575670962267E+40

Nth Root

y√n
2√n 11384.638114582
3√n 506.07259525958
4√n 106.69881964943
5√n 41.930273197938

Divisors of 129609985

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 -129609984
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 129609985 can be divided by 4 positive divisors. The sum of these divisors (counting 129609985) is 1, the average is 0.25.

Base conversion 129609985

Base System Value
2 Binary 111101110011011000100000001
3 Ternary 100000212212110211
4 Quaternary 13232123010001
5 Quinary 231140004420
6 Senary 20505554121
8 Octal 756330401
10 Decimal 129609985
12 Duodecimal 374a5941
16 Hexadecimal 7b9b101
20 Vigesimal 20a14j5
36 Base36 255zpd

Cryptographic Hash Functions

md5 6d44710dc99ef81052984d08dc5b04f8
sha1 1d8f566685d2fc6bc0afc95c41f14075566fa2cc
sha256 5de5524f98ae89dabb7dd88670b287e21bb84a550cee5021b2d1875baf630faa
sha512 ae1e841415278781de2eaff51c53c65041354cb2fd45c9a4f99400edae3ff8debe649dc291a923ce2fee5a8a26518bb2cf781b99cb6e496c9c63441ce630b963
ripemd-160 46ea9db722c19ddcc7c923ec04ec36fc35dc6c6e

129609985 as geometric shapes

Circle

Radius = n
Diameter 259219970
Circumference 814363553.41577
Area 5.2774823971382E+16

Sphere

Radius = n
Volume 9.120192191078E+24
Surface area 2.1109929588553E+17
Circumference 814363553.41577

Square

Length = n
Perimeter 518439940
Area 16798748211700225
Diagonal 183296198.60597

Cube

Length = n
Surface area 100792489270201350
Volume 2.1772855037372E+24
Space diagonal 224491079.18824

Equilateral Triangle

Length = n
Perimeter 388829955
Area 7.2740713515554E+15
Altitude 112245539.59412

Triangular Pyramid

Length = n
Surface area 7.2740713515554E+15
Volume 2.5659555737863E+23
Height 61098732.868658