20181249 (number)

20181249 is an odd 8-digits composite number following 20181248 and preceding 20181250. In scientific notation, it is written as 2.0181249 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 11586240 positive integers (up to 20181249) that are relatively prime to 20181249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0181249 × 10^7
Engineering notation 2.0181249 × 10^6

Prime Factorization of 20181249

Prime Factorization 9 × 11 × 19 × 10729

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20181249
Product of the distinct prime numbers

The prime factorization of 20181249 is 9 × 11 × 19 × 10729. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 16, 5, 21, 535, 7960, 1755, 29995, 12996, 606579, 196892, 6116530, 1213997, 50007885, 24610807, 655772261, 916846066, 6421138688, 4047208897

Basic calculations (n = 20181249)

Multiplication

n×y
n×2 40362498
n×3 60543747
n×4 80724996
n×5 100906245

Division

n÷y
n÷2 10090624.5
n÷3 6727083
n÷3 5045312.25
n÷5 4036249.8

Exponentiation

ny
n2 407282811200001
n3 8.2194758262472E+21
n4 1.6587928829898E+29
n5 3.3476512211044E+36

Nth Root

y√n
2√n 4492.3545051565
3√n 272.25927285666
4√n 67.025028945585
5√n 28.906107147829

Divisors of 20181249

1, 9, 11, 19, 99, 171, 209, 1881, 10729, 96561, 118019, 203851, 1062171, 1834659, 2242361, 20181249

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 -20181248
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 20181249 can be divided by 16 positive divisors. The sum of these divisors (counting 20181249) is 1, the average is 0.0625.

Base conversion 20181249

Base System Value
2 Binary 1001100111111000100000001
3 Ternary 1101222022110200
4 Quaternary 1030333010001
5 Quinary 20131244444
6 Senary 2000315413
8 Octal 114770401
10 Decimal 20181249
12 Duodecimal 6912b69
16 Hexadecimal 133f101
20 Vigesimal 662d29
36 Base36 c0jy9

Cryptographic Hash Functions

md5 72bc2ed5a6791b678fa5d05a11dbae07
sha1 66138ae189c3da1c99a294967d0c1ccc3b828fff
sha256 acb1712b0be332eb08cfdec3d8dea3ea3fb1a5f23f101356bf1162fe8d895fd1
sha512 caa9fe258212fedc8de3bb09104ecd5d119922e3809b9a06b4ecbada58aad03d98eb6a8a553bff66d1d6c90b1ae2bfef04b09669eb66a7531fda1ae89b57eefd
ripemd-160 53dbe85263abe536fae3259287b8140058fb71f0

20181249 as geometric shapes

Circle

Radius = n
Diameter 40362498
Circumference 126802527.19733
Area 1.2795166875993E+15

Sphere

Radius = n
Volume 3.4429659829463E+22
Surface area 5.1180667503973E+15
Circumference 126802527.19733

Square

Length = n
Perimeter 80724996
Area 407282811200001
Diagonal 28540596.041428

Cube

Length = n
Surface area 2443696867200006
Volume 8.2194758262472E+21
Space diagonal 34954948.628199

Equilateral Triangle

Length = n
Perimeter 60543747
Area 1.7635863051197E+14
Altitude 17477474.314099

Triangular Pyramid

Length = n
Surface area 1.7635863051197E+14
Volume 9.6867451575638E+20
Height 9513532.0138095