129568991 (number)

129568991 is an odd 9-digits composite number following 129568990 and preceding 129568992. In scientific notation, it is written as 1.29568991 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 129467184 positive integers (up to 129568991) that are relatively prime to 129568991.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million five hundred sixty-eight thousand nine hundred ninety-one

Notation

Scientific notation 1.29568991 × 10^8
Engineering notation 1.29568991 × 10^6

Prime Factorization of 129568991

Prime Factorization 1289 × 100519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129568991
Product of the distinct prime numbers

The prime factorization of 129568991 is 1289 × 100519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129568991)

Multiplication

n×y
n×2 259137982
n×3 388706973
n×4 518275964
n×5 647844955

Division

n÷y
n÷2 64784495.5
n÷3 43189663.666667
n÷3 32392247.75
n÷5 25913798.2

Exponentiation

ny
n2 16788123428758081
n3 2.1752202134476E+24
n4 2.8184108825922E+32
n5 3.6517865428089E+40

Nth Root

y√n
2√n 11382.837563631
3√n 506.01923484505
4√n 106.69038177657
5√n 41.927620459222

Divisors of 129568991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129568990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129568991 can be divided by 4 positive divisors. The sum of these divisors (counting 129568991) is 1, the average is 0.25.

Base conversion 129568991

Base System Value
2 Binary 111101110010001000011011111
3 Ternary 100000210210020112
4 Quaternary 13232101003133
5 Quinary 231132201431
6 Senary 20505040235
8 Octal 756210337
10 Decimal 129568991
12 Duodecimal 3748607b
16 Hexadecimal 7b910df
20 Vigesimal 209g29b
36 Base36 25542n

Cryptographic Hash Functions

md5 636c40bf1a4ab6dc09d2b3700b51504c
sha1 0c5a0e41237309758ef6152eff76cecf890390c0
sha256 74aa06382619fbf20509d5d2b184ef8ec4988a91728f65e8edf55cf8b3281fa0
sha512 b1e5bb4e2a614e628ba716aa2e511e8671c6fa313b517e25c159f0503a347673238812308cb036032ed4470acddec0ef6b5f9467d5869b3a97cfe77d8c0faddc
ripemd-160 3ada8464689371479662e69cbf36363c50494aa9

129568991 as geometric shapes

Circle

Radius = n
Diameter 259137982
Circumference 814105980.51728
Area 5.2741445231345E+16

Sphere

Radius = n
Volume 9.1115411233429E+24
Surface area 2.1096578092538E+17
Circumference 814105980.51728

Square

Length = n
Perimeter 518275964
Area 16788123428758081
Diagonal 183238224.3352

Cube

Length = n
Surface area 100728740572548486
Volume 2.1752202134476E+24
Space diagonal 224420075.49743

Equilateral Triangle

Length = n
Perimeter 388706973
Area 7.2694706855866E+15
Altitude 112210037.74872

Triangular Pyramid

Length = n
Surface area 7.2694706855866E+15
Volume 2.5635216058381E+23
Height 61079408.111733