20187830 (number)

20187830 is an even 8-digits composite number following 20187829 and preceding 20187831. In scientific notation, it is written as 2.0187830 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7453920 positive integers (up to 20187830) that are relatively prime to 20187830.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187830 × 10^7
Engineering notation 2.0187830 × 10^6

Prime Factorization of 20187830

Prime Factorization 2 × 5 × 13 × 155291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187830
Product of the distinct prime numbers

The prime factorization of 20187830 is 2 × 5 × 13 × 155291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 93, 35, 962, 328, 7846, 9349, 23838, 18500, 809907, 125871, 5385049, 5229563, 88352109, 31618730, 305012019, 189202010, 7304951664, 9253928154

Basic calculations (n = 20187830)

Multiplication

n×y
n×2 40375660
n×3 60563490
n×4 80751320
n×5 100939150

Division

n÷y
n÷2 10093915
n÷3 6729276.6666667
n÷3 5046957.5
n÷5 4037566

Exponentiation

ny
n2 407548480108900
n3 8.2275194331969E+21
n4 1.6609576363907E+29
n5 3.3531130400658E+36

Nth Root

y√n
2√n 4493.0869121351
3√n 272.28886374985
4√n 67.030492405585
5√n 28.907992128116

Divisors of 20187830

1, 2, 5, 10, 13, 26, 65, 130, 155291, 310582, 776455, 1552910, 2018783, 4037566, 10093915, 20187830

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 -20187829
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 20187830 can be divided by 16 positive divisors. The sum of these divisors (counting 20187830) is 1, the average is 0.0625.

Base conversion 20187830

Base System Value
2 Binary 1001101000000101010110110
3 Ternary 1101222122111102
4 Quaternary 1031000222312
5 Quinary 20132002310
6 Senary 2000410102
8 Octal 115005266
10 Decimal 20187830
12 Duodecimal 6916932
16 Hexadecimal 1340ab6
20 Vigesimal 6639ba
36 Base36 c0p12

Cryptographic Hash Functions

md5 c7a9f86b1d4f546c5d832fd75609c014
sha1 81284fab8fb651d714094f84a94ec24d68346076
sha256 e537703113f3b180d4b199d8ae89241246d3e7ec6524dba9e729c526444cda72
sha512 9b9f64939f64a62364b193ed40d89ed258dee070e2c7400c6769509b19ba5509cbf0fec7483ad9774183330742b2fc12d50fa0b3041dd6be0a796f1e37acf42f
ripemd-160 7bac3925d03d611a0ba555bdceb557e64335edcf

20187830 as geometric shapes

Circle

Radius = n
Diameter 40375660
Circumference 126843876.83984
Area 1.2803513110918E+15

Sphere

Radius = n
Volume 3.4463352811465E+22
Surface area 5.1214052443672E+15
Circumference 126843876.83984

Square

Length = n
Perimeter 80751320
Area 407548480108900
Diagonal 28549902.980882

Cube

Length = n
Surface area 2445290880653400
Volume 8.2275194331969E+21
Space diagonal 34966347.254563

Equilateral Triangle

Length = n
Perimeter 60563490
Area 1.7647366852402E+14
Altitude 17483173.627282

Triangular Pyramid

Length = n
Surface area 1.7647366852402E+14
Volume 9.6962246392627E+20
Height 9516634.3269608