20180129 (number)

20180129 is an odd 8-digits composite number following 20180128 and preceding 20180130. In scientific notation, it is written as 2.0180129 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20171076 positive integers (up to 20180129) that are relatively prime to 20180129.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty thousand one hundred twenty-nine

Notation

Scientific notation 2.0180129 × 10^7
Engineering notation 2.0180129 × 10^6

Prime Factorization of 20180129

Prime Factorization 3967 × 5087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20180129
Product of the distinct prime numbers

The prime factorization of 20180129 is 3967 × 5087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20180129)

Multiplication

n×y
n×2 40360258
n×3 60540387
n×4 80720516
n×5 100900645

Division

n÷y
n÷2 10090064.5
n÷3 6726709.6666667
n÷3 5045032.25
n÷5 4036025.8

Exponentiation

ny
n2 407237606456641
n3 8.2181074319462E+21
n4 1.6584246811253E+29
n5 3.3467224001893E+36

Nth Root

y√n
2√n 4492.2298471917
3√n 272.25423623369
4√n 67.024099003207
5√n 28.90578629991

Divisors of 20180129

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 -20180128
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 20180129 can be divided by 4 positive divisors. The sum of these divisors (counting 20180129) is 1, the average is 0.25.

Base conversion 20180129

Base System Value
2 Binary 1001100111110110010100001
3 Ternary 1101222020221012
4 Quaternary 1030332302201
5 Quinary 20131231004
6 Senary 2000310305
8 Octal 114766241
10 Decimal 20180129
12 Duodecimal 6912395
16 Hexadecimal 133eca1
20 Vigesimal 662a69
36 Base36 c0j35

Cryptographic Hash Functions

md5 f4b9875cb3f64933e7149aa2d7a5060e
sha1 edc65aab00448a996c0686d1749ccf0d553cb39e
sha256 df8d054b48ad414c98143531a5fb199bd8c1a8928aa896fbeb2bea1f45a31a9f
sha512 f2987a6f98da7ff723defcc40e8552c6c5663c1f966c6de8d184d29a0ca88d9d925698a8db3a56fd48d141a38a6979c1306b4828a0ea0aa3a0239cda49f9fea8
ripemd-160 29355ed155d828859f43a3664448a03d2917266d

20180129 as geometric shapes

Circle

Radius = n
Diameter 40360258
Circumference 126795490.02979
Area 1.2793746727097E+15

Sphere

Radius = n
Volume 3.4423927912819E+22
Surface area 5.1174986908387E+15
Circumference 126795490.02979

Square

Length = n
Perimeter 80720516
Area 407237606456641
Diagonal 28539012.122239

Cube

Length = n
Surface area 2443425638739846
Volume 8.2181074319462E+21
Space diagonal 34953008.731294

Equilateral Triangle

Length = n
Perimeter 60540387
Area 1.7633905628391E+14
Altitude 17476504.365647

Triangular Pyramid

Length = n
Surface area 1.7633905628391E+14
Volume 9.6851324894146E+20
Height 9513004.0407462