20187430 (number)

20187430 is an even 8-digits composite number following 20187429 and preceding 20187431. In scientific notation, it is written as 2.0187430 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 7960960 positive integers (up to 20187430) that are relatively prime to 20187430.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand four hundred thirty

Notation

Scientific notation 2.0187430 × 10^7
Engineering notation 2.0187430 × 10^6

Prime Factorization of 20187430

Prime Factorization 2 × 5 × 71 × 28433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187430
Product of the distinct prime numbers

The prime factorization of 20187430 is 2 × 5 × 71 × 28433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 45, 52, 147, 931, 7725, 3707, 37109, 15667, 41713, 968308, 820078, 8789233, 59343974, 91053888, 408895392, 449002738, 9109184927, 3891687227

Basic calculations (n = 20187430)

Multiplication

n×y
n×2 40374860
n×3 60562290
n×4 80749720
n×5 100937150

Division

n÷y
n÷2 10093715
n÷3 6729143.3333333
n÷3 5046857.5
n÷5 4037486

Exponentiation

ny
n2 407532330004900
n3 8.2270303847108E+21
n4 1.6608259999922E+29
n5 3.3527808617023E+36

Nth Root

y√n
2√n 4493.0423990877
3√n 272.28706536827
4√n 67.030160368954
5√n 28.907877571093

Divisors of 20187430

1, 2, 5, 10, 71, 142, 355, 710, 28433, 56866, 142165, 284330, 2018743, 4037486, 10093715, 20187430

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187430 can be divided by 16 positive divisors. The sum of these divisors (counting 20187430) is 1, the average is 0.0625.

Base conversion 20187430

Base System Value
2 Binary 1001101000000100100100110
3 Ternary 1101222121221121
4 Quaternary 1031000210212
5 Quinary 20131444210
6 Senary 2000404154
8 Octal 115004446
10 Decimal 20187430
12 Duodecimal 691665a
16 Hexadecimal 1340926
20 Vigesimal 6638ba
36 Base36 c0opy

Cryptographic Hash Functions

md5 c55c4f54627ea59d6ba5d5da74752c39
sha1 23e57ab32e72916730e7cc44e244b5c6d015b89d
sha256 6f3ad1c408556d4903e581725669a741bc53626a951f482470a1f4c8bc2c18a5
sha512 70cea9afe5875805beb46aed377a69b63be1b1e6816ccc1e64240023cbe0fc4915706919a241e7902262c02db847b992aea4018c277b2c06193eeb4b2efeed03
ripemd-160 ab76fa2d3eebdae6252ab7834246b4eae81d4d0e

20187430 as geometric shapes

Circle

Radius = n
Diameter 40374860
Circumference 126841363.56572
Area 1.2803005740437E+15

Sphere

Radius = n
Volume 3.4461304289957E+22
Surface area 5.1212022961749E+15
Circumference 126841363.56572

Square

Length = n
Perimeter 80749720
Area 407532330004900
Diagonal 28549337.295457

Cube

Length = n
Surface area 2445193980029400
Volume 8.2270303847108E+21
Space diagonal 34965654.43424

Equilateral Triangle

Length = n
Perimeter 60562290
Area 1.7646667532385E+14
Altitude 17482827.21712

Triangular Pyramid

Length = n
Surface area 1.7646667532385E+14
Volume 9.6956482900947E+20
Height 9516445.7651525