129281672 (number)

129281672 is an even 9-digits composite number following 129281671 and preceding 129281673. In scientific notation, it is written as 1.29281672 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 59668416 positive integers (up to 129281672) that are relatively prime to 129281672.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million two hundred eighty-one thousand six hundred seventy-two

Notation

Scientific notation 1.29281672 × 10^8
Engineering notation 1.29281672 × 10^6

Prime Factorization of 129281672

Prime Factorization 2 × 2 × 2 × 13 × 1243093

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32320418
Product of the distinct prime numbers

The prime factorization of 129281672 is 2 × 2 × 2 × 13 × 1243093. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 100, 2, 549, 82, 8946, 5590, 8008, 13376, 293831, 73316, 4532210, 1706806, 94348801, 24759263, 121217573, 855600395, 3961676193, 8686003754

Basic calculations (n = 129281672)

Multiplication

n×y
n×2 258563344
n×3 387845016
n×4 517126688
n×5 646408360

Division

n÷y
n÷2 64640836
n÷3 43093890.666667
n÷3 32320418
n÷5 25856334.4

Exponentiation

ny
n2 16713750715115584
n3 2.1607816378413E+24
n4 2.7934946296703E+32
n5 3.6114765644679E+40

Nth Root

y√n
2√n 11370.209848547
3√n 505.64492579016
4√n 106.63118609744
5√n 41.909009059294

Divisors of 129281672

1, 2, 4, 8, 13, 26, 52, 104, 1243093, 2486186, 4972372, 9944744, 16160209, 32320418, 64640836, 129281672

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129281671
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129281672 can be divided by 16 positive divisors. The sum of these divisors (counting 129281672) is 1, the average is 0.0625.

Base conversion 129281672

Base System Value
2 Binary 111101101001010111010001000
3 Ternary 100000021012010002
4 Quaternary 13231022322020
5 Quinary 231044003142
6 Senary 20454542132
8 Octal 755127210
10 Decimal 129281672
12 Duodecimal 37367948
16 Hexadecimal 7b4ae88
20 Vigesimal 208043c
36 Base36 24yydk

Cryptographic Hash Functions

md5 58fb5fa8344d2c331770f5fab87edfcc
sha1 9652dc619c6dd922cc46cf3bdc32997ef6401e5d
sha256 ed08eeca5b2ddf46380dba928946dce5e51812e6d09fe798d0951592b29f0faa
sha512 30457ed870c256fbefe294cbd8f6cdc5315762053746a89ebdd9bb08e8ed4928a493ab5350d1db72747e834d151a5cba683afa8080dddb468733adf4037c02b8
ripemd-160 e220f9b4e2db4e00a4661fb36c034cb0748dc25a

129281672 as geometric shapes

Circle

Radius = n
Diameter 258563344
Circumference 812300701.99801
Area 5.2507796460538E+16

Sphere

Radius = n
Volume 9.0510609592721E+24
Surface area 2.1003118584215E+17
Circumference 812300701.99801

Square

Length = n
Perimeter 517126688
Area 16713750715115584
Diagonal 182831893.90867

Cube

Length = n
Surface area 100282504290693504
Volume 2.1607816378413E+24
Space diagonal 223922424.39145

Equilateral Triangle

Length = n
Perimeter 387845016
Area 7.2372663559052E+15
Altitude 111961212.19573

Triangular Pyramid

Length = n
Surface area 7.2372663559052E+15
Volume 2.5465055813016E+23
Height 60943964.636223