129721288 (number)

129721288 is an even 9-digits composite number following 129721287 and preceding 129721289. In scientific notation, it is written as 1.29721288 × 10^8. The sum of its digits is 40. It has a total of 7 prime factors and 64 positive divisors. There are 57716736 positive integers (up to 129721288) that are relatively prime to 129721288.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred twenty-one thousand two hundred eighty-eight

Notation

Scientific notation 1.29721288 × 10^8
Engineering notation 1.29721288 × 10^6

Prime Factorization of 129721288

Prime Factorization 2 × 2 × 2 × 17 × 23 × 367 × 113

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 32430322
Product of the distinct prime numbers

The prime factorization of 129721288 is 2 × 2 × 2 × 17 × 23 × 367 × 113. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 10, 9, 65, 577, 839, 1518, 2560, 71493, 13326, 701597, 88860, 9017030, 3748368, 20719852, 34677962, 148971745, 112965556, 2038067321, 9480146059

Basic calculations (n = 129721288)

Multiplication

n×y
n×2 259442576
n×3 389163864
n×4 518885152
n×5 648606440

Division

n÷y
n÷2 64860644
n÷3 43240429.333333
n÷3 32430322
n÷5 25944257.6

Exponentiation

ny
n2 16827612560378944
n3 2.1828995752973E+24
n4 2.8316854448222E+32
n5 3.6732988311319E+40

Nth Root

y√n
2√n 11389.525363245
3√n 506.21741764596
4√n 106.72171926672
5√n 41.937472277414

Divisors of 129721288

1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 113, 136, 184, 226, 367, 391, 452, 734, 782, 904, 1468, 1564, 1921, 2599, 2936, 3128, 3842, 5198, 6239, 7684, 8441, 10396, 12478, 15368, 16882, 20792, 24956, 33764, 41471, 44183, 49912, 67528, 82942, 88366, 143497, 165884, 176732, 286994, 331768, 353464, 573988, 705007, 953833, 1147976, 1410014, 1907666, 2820028, 3815332, 5640056, 7630664, 16215161, 32430322, 64860644, 129721288

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 -129721287
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 129721288 can be divided by 64 positive divisors. The sum of these divisors (counting 129721288) is 1, the average is 0.015625.

Base conversion 129721288

Base System Value
2 Binary 111101110110110001111001000
3 Ternary 100001002112011011
4 Quaternary 13232312033020
5 Quinary 231202040123
6 Senary 20512213304
8 Octal 756661710
10 Decimal 129721288
12 Duodecimal 3753a234
16 Hexadecimal 7bb63c8
20 Vigesimal 20af348
36 Base36 258dl4

Cryptographic Hash Functions

md5 102c24f97dd10c6f3e0c202d33bd285b
sha1 3ceae9f5bb359c55fe3471170d074496e6c09260
sha256 1155dee220e6f73e91f6acbca797d07049115e6f377939378153c0bf29dc97d0
sha512 dde5c4e28a599b0e9c2dda2d3b258c64cad072e2f140cd23752911b538c30b5dda235f67f9338a266f9834e475a0e5adeb55a38b2892596e1fd14056b8aa1737
ripemd-160 80cf4eb681aeee91ffdb469609d35758a0fa8e7f

129721288 as geometric shapes

Circle

Radius = n
Diameter 259442576
Circumference 815062890.79001
Area 5.2865503997142E+16

Sphere

Radius = n
Volume 9.1437083590378E+24
Surface area 2.1146201598857E+17
Circumference 815062890.79001

Square

Length = n
Perimeter 518885152
Area 16827612560378944
Diagonal 183453604.81811

Cube

Length = n
Surface area 100965675362273664
Volume 2.1828995752973E+24
Space diagonal 224683861.63927

Equilateral Triangle

Length = n
Perimeter 389163864
Area 7.2865699811651E+15
Altitude 112341930.81964

Triangular Pyramid

Length = n
Surface area 7.2865699811651E+15
Volume 2.57257182057E+23
Height 61151201.606035