129979905 (number)

129979905 is an odd 9-digits composite number following 129979904 and preceding 129979906. In scientific notation, it is written as 1.29979905 × 10^8. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 63020480 positive integers (up to 129979905) that are relatively prime to 129979905.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million nine hundred seventy-nine thousand nine hundred five

Notation

Scientific notation 1.29979905 × 10^8
Engineering notation 1.29979905 × 10^6

Prime Factorization of 129979905

Prime Factorization 3 × 5 × 11 × 787757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129979905
Product of the distinct prime numbers

The prime factorization of 129979905 is 3 × 5 × 11 × 787757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 34, 33, 436, 923, 9388, 367, 532, 11860, 57775, 614426, 2990506, 6693172, 77205625, 39862587, 415045218, 492711709, 5857170890, 3085218075

Basic calculations (n = 129979905)

Multiplication

n×y
n×2 259959810
n×3 389939715
n×4 519919620
n×5 649899525

Division

n÷y
n÷2 64989952.5
n÷3 43326635
n÷3 32494976.25
n÷5 25995981

Exponentiation

ny
n2 16894775703809025
n3 2.1959813409774E+24
n4 2.8543344608202E+32
n5 3.7100612205563E+40

Nth Root

y√n
2√n 11400.87299289
3√n 506.55359872119
4√n 106.77487060582
5√n 41.954180567598

Divisors of 129979905

1, 3, 5, 11, 15, 33, 55, 165, 787757, 2363271, 3938785, 8665327, 11816355, 25995981, 43326635, 129979905

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 -129979904
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 129979905 can be divided by 16 positive divisors. The sum of these divisors (counting 129979905) is 1, the average is 0.0625.

Base conversion 129979905

Base System Value
2 Binary 111101111110101011000000001
3 Ternary 100001120122220120
4 Quaternary 13233311120001
5 Quinary 231233324110
6 Senary 20521530453
8 Octal 757653001
10 Decimal 129979905
12 Duodecimal 37643a29
16 Hexadecimal 7bf5601
20 Vigesimal 20c79f5
36 Base36 25dx4x

Cryptographic Hash Functions

md5 dec6ce1414ac5c0841163709d4263a93
sha1 0d36dfb273fce99b0ae67200364fbe6b3eea4181
sha256 fae2f24cd8394ac580979f627615103f6ec2ea6cbf61fed076bada51e7822c62
sha512 42e0eff16b8f2cd830c9872e0f95fccffd8655494317e88c7740caa5dc815e90ce3247974d551375a8c16bd5e77c43a373f9ea760efafb05b66515988f588342
ripemd-160 6a21e5cbd7387b70622ca9ab348a3f37db287cec

129979905 as geometric shapes

Circle

Radius = n
Diameter 259959810
Circumference 816687829.3246
Area 5.3076503235134E+16

Sphere

Radius = n
Volume 9.1985051309798E+24
Surface area 2.1230601294054E+17
Circumference 816687829.3246

Square

Length = n
Perimeter 519919620
Area 16894775703809025
Diagonal 183819344.48697

Cube

Length = n
Surface area 101368654222854150
Volume 2.1959813409774E+24
Space diagonal 225131799.42298

Equilateral Triangle

Length = n
Perimeter 389939715
Area 7.3156524753694E+15
Altitude 112565899.71149

Triangular Pyramid

Length = n
Surface area 7.3156524753694E+15
Volume 2.5879888292738E+23
Height 61273114.828989