129609987 (number)

129609987 is an odd 9-digits composite number following 129609986 and preceding 129609988. In scientific notation, it is written as 1.29609987 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors. There are 79759680 positive integers (up to 129609987) that are relatively prime to 129609987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29609987 × 10^8
Engineering notation 1.29609987 × 10^6

Prime Factorization of 129609987

Prime Factorization 3 × 13 × 13 × 255641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9969999
Product of the distinct prime numbers

The prime factorization of 129609987 is 3 × 13 × 13 × 255641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 70, 11, 448, 355, 4765, 1803, 53417, 957, 460889, 951741, 7227401, 225925, 37487638, 79588249, 183399130, 338916686, 3789719852, 8802261712

Basic calculations (n = 129609987)

Multiplication

n×y
n×2 259219974
n×3 388829961
n×4 518439948
n×5 648049935

Division

n÷y
n÷2 64804993.5
n÷3 43203329
n÷3 32402496.75
n÷5 25921997.4

Exponentiation

ny
n2 16798748730140169
n3 2.1772856045297E+24
n4 2.8219795889839E+32
n5 3.6575673784246E+40

Nth Root

y√n
2√n 11384.63820242
3√n 506.07259786264
4√n 106.69882006105
5√n 41.930273327343

Divisors of 129609987

1, 3, 13, 39, 169, 507, 255641, 766923, 3323333, 9969999, 43203329, 129609987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129609986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129609987 can be divided by 12 positive divisors. The sum of these divisors (counting 129609987) is 1, the average is 0.083333333333333.

Base conversion 129609987

Base System Value
2 Binary 111101110011011000100000011
3 Ternary 100000212212110220
4 Quaternary 13232123010003
5 Quinary 231140004422
6 Senary 20505554123
8 Octal 756330403
10 Decimal 129609987
12 Duodecimal 374a5943
16 Hexadecimal 7b9b103
20 Vigesimal 20a14j7
36 Base36 255zpf

Cryptographic Hash Functions

md5 a228d552ec954edfc2ee5c332a72aaaa
sha1 546903da90b643e660595ab04889dd91aa7ee5de
sha256 ea7964ace6118e4b8134cc3a58ae1b503b5b74f653267f756e07aceb65ed8943
sha512 f61dd5541a37593e83163d93ee9175ea93d188a8e2ae7287e57506812d60b76c4415d2963827cf8088abf910d766ed65f2ba6432cd5bb0b4ceb1abd3e4cfc3ac
ripemd-160 9419923bc016561bab69b256511d0262d95aefca

129609987 as geometric shapes

Circle

Radius = n
Diameter 259219974
Circumference 814363565.98214
Area 5.2774825600109E+16

Sphere

Radius = n
Volume 9.1201926132766E+24
Surface area 2.1109930240044E+17
Circumference 814363565.98214

Square

Length = n
Perimeter 518439948
Area 16798748730140169
Diagonal 183296201.4344

Cube

Length = n
Surface area 100792492380841014
Volume 2.1772856045297E+24
Space diagonal 224491082.65234

Equilateral Triangle

Length = n
Perimeter 388829961
Area 7.2740715760465E+15
Altitude 112245541.32617

Triangular Pyramid

Length = n
Surface area 7.2740715760465E+15
Volume 2.5659556925714E+23
Height 61098733.811467