129472021 (number)

129472021 is an odd 9-digits composite number following 129472020 and preceding 129472022. In scientific notation, it is written as 1.29472021 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 110976012 positive integers (up to 129472021) that are relatively prime to 129472021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29472021 × 10^8
Engineering notation 1.29472021 × 10^6

Prime Factorization of 129472021

Prime Factorization 7 × 18496003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129472021
Product of the distinct prime numbers

The prime factorization of 129472021 is 7 × 18496003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129472021)

Multiplication

n×y
n×2 258944042
n×3 388416063
n×4 517888084
n×5 647360105

Division

n÷y
n÷2 64736010.5
n÷3 43157340.333333
n÷3 32368005.25
n÷5 25894404.2

Exponentiation

ny
n2 16763004221824441
n3 2.1703400346311E+24
n4 2.809983105409E+32
n5 3.6381419163316E+40

Nth Root

y√n
2√n 11378.57728365
3√n 505.89296767009
4√n 106.67041428461
5√n 41.92134281672

Divisors of 129472021

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 -129472020
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 129472021 can be divided by 4 positive divisors. The sum of these divisors (counting 129472021) is 1, the average is 0.25.

Base conversion 129472021

Base System Value
2 Binary 111101101111001011000010101
3 Ternary 100000121212020001
4 Quaternary 13231321120111
5 Quinary 231121101041
6 Senary 20503011301
8 Octal 755713025
10 Decimal 129472021
12 Duodecimal 37439b31
16 Hexadecimal 7b79615
20 Vigesimal 2094011
36 Base36 253191

Cryptographic Hash Functions

md5 f8a1f28fa8c4a641d210c6a51947806d
sha1 2944103542568908c6b06306761137c05c84dbd4
sha256 4c6809e112565951ab276470c93ce1740144b9639a0308f8927be7c7ba88dbf2
sha512 ad3d9fe6005e99e7c5af6f24704e92af7e88565c7a372602d778391352ac5897494fcf093ad964414bf7bbf76e04a264242d430c0758a52351e62ba106727f2b
ripemd-160 7b76ede7353b8e48e47b005043ff8db8b8545a9f

129472021 as geometric shapes

Circle

Radius = n
Diameter 258944042
Circumference 813496700.03805
Area 5.2662530915378E+16

Sphere

Radius = n
Volume 9.0910990781187E+24
Surface area 2.1065012366151E+17
Circumference 813496700.03805

Square

Length = n
Perimeter 517888084
Area 16763004221824441
Diagonal 183101088.04605

Cube

Length = n
Surface area 100578025330946646
Volume 2.1703400346311E+24
Space diagonal 224252118.53062

Equilateral Triangle

Length = n
Perimeter 388416063
Area 7.2585937499229E+15
Altitude 112126059.26531

Triangular Pyramid

Length = n
Surface area 7.2585937499229E+15
Volume 2.5577702599472E+23
Height 61033696.015351