129621408 (number)

129621408 is an even 9-digits composite number following 129621407 and preceding 129621409. In scientific notation, it is written as 1.29621408 × 10^8. The sum of its digits is 33. It has a total of 7 prime factors and 24 positive divisors. There are 37034496 positive integers (up to 129621408) that are relatively prime to 129621408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29621408 × 10^8
Engineering notation 1.29621408 × 10^6

Prime Factorization of 129621408

Prime Factorization 2 × 2 × 2 × 2 × 2 × 21 × 192889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8101338
Product of the distinct prime numbers

The prime factorization of 129621408 is 2 × 2 × 2 × 2 × 2 × 21 × 192889. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 8, 11, 38, 113, 616, 7568, 8255, 79181, 9145, 109826, 212424, 471145, 9104392, 42757706, 52103907, 313253082, 940192031, 8629460642, 4280492952

Basic calculations (n = 129621408)

Multiplication

n×y
n×2 259242816
n×3 388864224
n×4 518485632
n×5 648107040

Division

n÷y
n÷2 64810704
n÷3 43207136
n÷3 32405352
n÷5 25924281.6

Exponentiation

ny
n2 16801709411902464
n3 2.1778612307776E+24
n4 2.8229743916201E+32
n5 3.6591791538974E+40

Nth Root

y√n
2√n 11385.139788338
3√n 506.08746216312
4√n 106.70117051063
5√n 41.93101226542

Divisors of 129621408

1, 2, 4, 8, 16, 21, 32, 42, 84, 168, 336, 672, 192889, 385778, 771556, 1543112, 3086224, 4050669, 6172448, 8101338, 16202676, 32405352, 64810704, 129621408

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129621407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129621408 can be divided by 24 positive divisors. The sum of these divisors (counting 129621408) is 1, the average is 0.041666666666667.

Base conversion 129621408

Base System Value
2 Binary 111101110011101110110100000
3 Ternary 100000220110010220
4 Quaternary 13232131312200
5 Quinary 231140341113
6 Senary 20510123040
8 Octal 756356640
10 Decimal 129621408
12 Duodecimal 374b0480
16 Hexadecimal 7b9dda0
20 Vigesimal 20a2da8
36 Base36 2568io

Cryptographic Hash Functions

md5 c8f2e4499a0e64ae9f88b20717252145
sha1 f53033b038378fbcef0fabb9b7d2e3e085ab8603
sha256 01427bb4fefa850244bfe33bf938dd530db57300645319ebdbcabc8a86d2331b
sha512 cee8160d1bb4b6e223118c8a3b0550bc254e37ea67bb2f09492a43b418023204a099de0f1d9672e2125145201466b984d947dab890e6a840e1e94843567e53ea
ripemd-160 a041fcf7a09aa70ca0eddf0860bc2f334e15be0d

129621408 as geometric shapes

Circle

Radius = n
Diameter 259242816
Circumference 814435326.24153
Area 5.2784126856183E+16

Sphere

Radius = n
Volume 9.1226037908655E+24
Surface area 2.1113650742473E+17
Circumference 814435326.24153

Square

Length = n
Perimeter 518485632
Area 16801709411902464
Diagonal 183312353.1675

Cube

Length = n
Surface area 100810256471414784
Volume 2.1778612307776E+24
Space diagonal 224510864.40461

Equilateral Triangle

Length = n
Perimeter 388864224
Area 7.2753535888558E+15
Altitude 112255432.20231

Triangular Pyramid

Length = n
Surface area 7.2753535888558E+15
Volume 2.5666340746103E+23
Height 61104117.722499