129645945 (number)

129645945 is an odd 9-digits composite number following 129645944 and preceding 129645946. In scientific notation, it is written as 1.29645945 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 58020480 positive integers (up to 129645945) that are relatively prime to 129645945.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred forty-five thousand nine hundred forty-five

Notation

Scientific notation 1.29645945 × 10^8
Engineering notation 1.29645945 × 10^6

Prime Factorization of 129645945

Prime Factorization 9 × 13 × 5 × 11 × 20147

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129645945
Product of the distinct prime numbers

The prime factorization of 129645945 is 9 × 13 × 5 × 11 × 20147. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 8, 68, 492, 154, 7762, 4323, 98197, 78447, 943907, 230158, 5522505, 1602148, 4064349, 67843027, 268108940, 251443369, 6650854271, 2962421850

Basic calculations (n = 129645945)

Multiplication

n×y
n×2 259291890
n×3 388937835
n×4 518583780
n×5 648229725

Division

n÷y
n÷2 64822972.5
n÷3 43215315
n÷3 32411486.25
n÷5 25929189

Exponentiation

ny
n2 16808071054943025
n3 2.1790982555452E+24
n4 2.8251125258801E+32
n5 3.6626438314907E+40

Nth Root

y√n
2√n 11386.217326224
3√n 506.11939383443
4√n 106.70621971668
5√n 41.932599631841

Divisors of 129645945

1, 5, 9, 11, 13, 45, 55, 65, 99, 117, 143, 495, 585, 715, 1287, 6435, 20147, 100735, 181323, 221617, 261911, 906615, 1108085, 1309555, 1994553, 2357199, 2881021, 9972765, 11785995, 14405105, 25929189, 129645945

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129645944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129645945 can be divided by 32 positive divisors. The sum of these divisors (counting 129645945) is 1, the average is 0.03125.

Base conversion 129645945

Base System Value
2 Binary 111101110100011110101111001
3 Ternary 100000221200210200
4 Quaternary 13232203311321
5 Quinary 231142132240
6 Senary 20510432413
8 Octal 756436571
10 Decimal 129645945
12 Duodecimal 37502709
16 Hexadecimal 7ba3d79
20 Vigesimal 20a5eh5
36 Base36 256rg9

Cryptographic Hash Functions

md5 68c53bf504e51d91fa8b0c1a6149b2f6
sha1 e6ecb55cf21b4ce5a9ce3973e71962a178954b3d
sha256 7f16e7d3426562015687780e8ad4a3258498e8ba1930cddee1f1b3731bd9ea46
sha512 b38edce13a8624d2d2339be4fb1db2921cf36bed5b65390dfb8c86314cccede15298dd809f74ac80e2063335e23db410181b743abcf6cb2b22267d102048b8a2
ripemd-160 b15706f7a5640405ddeb355976bac0bb5b8559d6

129645945 as geometric shapes

Circle

Radius = n
Diameter 259291890
Circumference 814589496.75941
Area 5.2804112547224E+16

Sphere

Radius = n
Volume 9.127785428095E+24
Surface area 2.112164501889E+17
Circumference 814589496.75941

Square

Length = n
Perimeter 518583780
Area 16808071054943025
Diagonal 183347053.72568

Cube

Length = n
Surface area 100848426329658150
Volume 2.1790982555452E+24
Space diagonal 224553363.73528

Equilateral Triangle

Length = n
Perimeter 388937835
Area 7.2781082610973E+15
Altitude 112276681.86764

Triangular Pyramid

Length = n
Surface area 7.2781082610973E+15
Volume 2.5680919222797E+23
Height 61115684.575225