129391208 (number)

129391208 is an even 9-digits composite number following 129391207 and preceding 129391209. In scientific notation, it is written as 1.29391208 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 64229616 positive integers (up to 129391208) that are relatively prime to 129391208.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred ninety-one thousand two hundred eight

Notation

Scientific notation 1.29391208 × 10^8
Engineering notation 1.29391208 × 10^6

Prime Factorization of 129391208

Prime Factorization 2 × 2 × 2 × 139 × 116359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32347802
Product of the distinct prime numbers

The prime factorization of 129391208 is 2 × 2 × 2 × 139 × 116359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129391208)

Multiplication

n×y
n×2 258782416
n×3 388173624
n×4 517564832
n×5 646956040

Division

n÷y
n÷2 64695604
n÷3 43130402.666667
n÷3 32347802
n÷5 25878241.6

Exponentiation

ny
n2 16742084707699264
n3 2.1662785647675E+24
n4 2.8029740035978E+32
n5 3.6268019231811E+40

Nth Root

y√n
2√n 11375.025626345
3√n 505.78769077448
4√n 106.6537651766
5√n 41.916108271689

Divisors of 129391208

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 -129391207
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 129391208 can be divided by 16 positive divisors. The sum of these divisors (counting 129391208) is 1, the average is 0.0625.

Base conversion 129391208

Base System Value
2 Binary 111101101100101101001101000
3 Ternary 100000110202100222
4 Quaternary 13231211221220
5 Quinary 231111004313
6 Senary 20501145212
8 Octal 755455150
10 Decimal 129391208
12 Duodecimal 373bb208
16 Hexadecimal 7b65a68
20 Vigesimal 208di08
36 Base36 251aw8

Cryptographic Hash Functions

md5 64a601f2a3f9e3991acd060b12e29a73
sha1 47bbff3eddaa99e43e70f86bf575c64e5b85822a
sha256 db6122f4d58c01e79e4e039c84b4ff70712b94736f4898029148962eff7ff660
sha512 b9ead934c7ef9e5b703a7263e3d01cd3dd0cfa4b65f02bdfc563cfd5e711c5616ca0edebe593fae7d63b3352c92342b1a7dbbc9d99d83dcf7d58029248c4b284
ripemd-160 18a5b57fe9417194154f6de90dc127c1896af585

129391208 as geometric shapes

Circle

Radius = n
Diameter 258782416
Circumference 812988936.98382
Area 5.2596810323486E+16

Sphere

Radius = n
Volume 9.074086432937E+24
Surface area 2.1038724129394E+17
Circumference 812988936.98382

Square

Length = n
Perimeter 517564832
Area 16742084707699264
Diagonal 182986801.20544

Cube

Length = n
Surface area 100452508246195584
Volume 2.1662785647675E+24
Space diagonal 224112146.30871

Equilateral Triangle

Length = n
Perimeter 388173624
Area 7.2495353345893E+15
Altitude 112056073.15436

Triangular Pyramid

Length = n
Surface area 7.2495353345893E+15
Volume 2.5529837718103E+23
Height 60995600.401813