129640208 (number)

129640208 is an even 9-digits composite number following 129640207 and preceding 129640209. In scientific notation, it is written as 1.29640208 × 10^8. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 62584704 positive integers (up to 129640208) that are relatively prime to 129640208.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty thousand two hundred eight

Notation

Scientific notation 1.29640208 × 10^8
Engineering notation 1.29640208 × 10^6

Prime Factorization of 129640208

Prime Factorization 2 × 2 × 2 × 2 × 29 × 279397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 16205026
Product of the distinct prime numbers

The prime factorization of 129640208 is 2 × 2 × 2 × 2 × 29 × 279397. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 77, 78, 955, 111, 6987, 6148, 71301, 60937, 142876, 66545, 5499674, 6076930, 24146592, 13287449, 128831291, 279301052, 4352690496, 7338194755

Basic calculations (n = 129640208)

Multiplication

n×y
n×2 259280416
n×3 388920624
n×4 518560832
n×5 648201040

Division

n÷y
n÷2 64820104
n÷3 43213402.666667
n÷3 32410052
n÷5 25928041.6

Exponentiation

ny
n2 16806583530283264
n3 2.1788089846353E+24
n4 2.8246124996039E+32
n5 3.6618335196805E+40

Nth Root

y√n
2√n 11385.965396048
3√n 506.11192824602
4√n 106.70503922518
5√n 41.932228510967

Divisors of 129640208

1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 279397, 558794, 1117588, 2235176, 4470352, 8102513, 16205026, 32410052, 64820104, 129640208

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129640207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129640208 can be divided by 20 positive divisors. The sum of these divisors (counting 129640208) is 1, the average is 0.05.

Base conversion 129640208

Base System Value
2 Binary 111101110100010011100010000
3 Ternary 100000221101221012
4 Quaternary 13232202130100
5 Quinary 231141441313
6 Senary 20510350052
8 Octal 756423420
10 Decimal 129640208
12 Duodecimal 374bb328
16 Hexadecimal 7ba2710
20 Vigesimal 20a50a8
36 Base36 256n0w

Cryptographic Hash Functions

md5 051c33b253e2fe80186dd995372296d3
sha1 0cacebad48b7e71995adb396777c2f2888a8ceae
sha256 3577b4ed952d245fecaeb542eb79bfa780b042d9f9eb21525654f65407459650
sha512 a0ae3d7fe8a8c94b6c8bd382bdb1a3297d0ddc20360260220b608d9686ca940d856800fc2c08a44cd6b80429919296050a3a3431b22e4e3637e5923b71c159f9
ripemd-160 6b5ab47d510302a780e7ac7c79cc5cf19dbddf67

129640208 as geometric shapes

Circle

Radius = n
Diameter 259280416
Circumference 814553450.12531
Area 5.2799439350681E+16

Sphere

Radius = n
Volume 9.1265737329409E+24
Surface area 2.1119775740272E+17
Circumference 814553450.12531

Square

Length = n
Perimeter 518560832
Area 16806583530283264
Diagonal 183338940.38247

Cube

Length = n
Surface area 100839501181699584
Volume 2.1788089846353E+24
Space diagonal 224543426.9598

Equilateral Triangle

Length = n
Perimeter 388920624
Area 7.2774641440252E+15
Altitude 112271713.4799

Triangular Pyramid

Length = n
Surface area 7.2774641440252E+15
Volume 2.567751013243E+23
Height 61112980.12749