129121904 (number)

129121904 is an even 9-digits composite number following 129121903 and preceding 129121905. In scientific notation, it is written as 1.29121904 × 10^8. The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors. There are 64560944 positive integers (up to 129121904) that are relatively prime to 129121904.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-one thousand nine hundred four

Notation

Scientific notation 1.29121904 × 10^8
Engineering notation 1.29121904 × 10^6

Prime Factorization of 129121904

Prime Factorization 2 × 2 × 2 × 2 × 8070119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16140238
Product of the distinct prime numbers

The prime factorization of 129121904 is 2 × 2 × 2 × 2 × 8070119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 49, 65, 468, 152, 8090, 5936, 56330, 52399, 748868, 961867, 4892405, 9985588, 69603251, 72864320, 526627650, 866177934, 4533137628, 5814457585

Basic calculations (n = 129121904)

Multiplication

n×y
n×2 258243808
n×3 387365712
n×4 516487616
n×5 645609520

Division

n÷y
n÷2 64560952
n÷3 43040634.666667
n÷3 32280476
n÷5 25824380.8

Exponentiation

ny
n2 16672466092585216
n3 2.15278056625E+24
n4 2.779711256084E+32
n5 3.589216099558E+40

Nth Root

y√n
2√n 11363.181948732
3√n 505.43654569814
4√n 106.59822676167
5√n 41.898645593576

Divisors of 129121904

1, 2, 4, 8, 16, 8070119, 16140238, 32280476, 64560952, 129121904

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129121903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129121904 can be divided by 10 positive divisors. The sum of these divisors (counting 129121904) is 1, the average is 0.1.

Base conversion 129121904

Base System Value
2 Binary 111101100100011111001110000
3 Ternary 22222222001221202
4 Quaternary 13230203321300
5 Quinary 231023400104
6 Senary 20451310332
8 Octal 754437160
10 Decimal 129121904
12 Duodecimal 372ab3a8
16 Hexadecimal 7b23e70
20 Vigesimal 20704f4
36 Base36 24vj3k

Cryptographic Hash Functions

md5 27a80ee6007100a5336911ad18b1a88a
sha1 4c6f3d7280a88266b64db298c1240b99b66d45d9
sha256 bb6386eacd23b37a1aac04df065b263dd2964804dc0a6a81aad07424e0157c5b
sha512 f7003ade5a58479c271b6238d1a809a8d0a14ccda89f760f3552b7ae98e158965461bc5c6771ee16405a79f85b4bcb8303781664816f3173187588e0666eec6d
ripemd-160 ca2e624525faeea5d8e4dc1483c9419b113bb2b7

129121904 as geometric shapes

Circle

Radius = n
Diameter 258243808
Circumference 811296850.04785
Area 5.2378096993691E+16

Sphere

Radius = n
Volume 9.0175461489627E+24
Surface area 2.0951238797476E+17
Circumference 811296850.04785

Square

Length = n
Perimeter 516487616
Area 16672466092585216
Diagonal 182605947.83624

Cube

Length = n
Surface area 100034796555511296
Volume 2.15278056625E+24
Space diagonal 223645698.09803

Equilateral Triangle

Length = n
Perimeter 387365712
Area 7.2193895899567E+15
Altitude 111822849.04902

Triangular Pyramid

Length = n
Surface area 7.2193895899567E+15
Volume 2.5370762280034E+23
Height 60868649.278746