20129581 (number)

20129581 is an odd 8-digits composite number following 20129580 and preceding 20129582. In scientific notation, it is written as 2.0129581 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18945472 positive integers (up to 20129581) that are relatively prime to 20129581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129581 × 10^7
Engineering notation 2.0129581 × 10^6

Prime Factorization of 20129581

Prime Factorization 17 × 1184093

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20129581
Product of the distinct prime numbers

The prime factorization of 20129581 is 17 × 1184093. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129581)

Multiplication

n×y
n×2 40259162
n×3 60388743
n×4 80518324
n×5 100647905

Division

n÷y
n÷2 10064790.5
n÷3 6709860.3333333
n÷3 5032395.25
n÷5 4025916.2

Exponentiation

ny
n2 405200031235561
n3 8.1565068499588E+21
n4 1.641870653133E+29
n5 3.3050168303764E+36

Nth Root

y√n
2√n 4486.6001604779
3√n 272.02672837832
4√n 66.982088355603
5√n 28.891290893577

Divisors of 20129581

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 -20129580
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 20129581 can be divided by 4 positive divisors. The sum of these divisors (counting 20129581) is 1, the average is 0.25.

Base conversion 20129581

Base System Value
2 Binary 1001100110010011100101101
3 Ternary 1101212200121001
4 Quaternary 1030302130231
5 Quinary 20123121311
6 Senary 1555240301
8 Octal 114623455
10 Decimal 20129581
12 Duodecimal 68a9091
16 Hexadecimal 133272d
20 Vigesimal 65g3j1
36 Base36 bzg31

Cryptographic Hash Functions

md5 6ad305a3de29ca699f66d29f8ba695b2
sha1 6c666dc7f6edc64e0651b8fee8131331718cc59c
sha256 acc3c9a302de3b31244fb7d04a64214a1cbb7be8dc501daeb39cff8fc8394609
sha512 84dacdd78e46c852dfd9e20439f8757ee79a10f74a5c662e1285ed93076ccf69726cf5d7d047dc09cf5d43769fb6bc126e7fd6624245046e5d6565a9d8d78985
ripemd-160 2ad985b528e45247d2efd397593cea51d13a0a22

20129581 as geometric shapes

Circle

Radius = n
Diameter 40259162
Circumference 126477887.57888
Area 1.272973441364E+15

Sphere

Radius = n
Volume 3.416589599838E+22
Surface area 5.091893765456E+15
Circumference 126477887.57888

Square

Length = n
Perimeter 80518324
Area 405200031235561
Diagonal 28467526.455088

Cube

Length = n
Surface area 2431200187413366
Volume 8.1565068499588E+21
Space diagonal 34865457.027073

Equilateral Triangle

Length = n
Perimeter 60388743
Area 1.7545676033212E+14
Altitude 17432728.513537

Triangular Pyramid

Length = n
Surface area 1.7545676033212E+14
Volume 9.6125355073339E+20
Height 9489175.4850293