20181252 (number)

20181252 is an even 8-digits composite number following 20181251 and preceding 20181253. In scientific notation, it is written as 2.0181252 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 5322240 positive integers (up to 20181252) that are relatively prime to 20181252.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-one thousand two hundred fifty-two

Notation

Scientific notation 2.0181252 × 10^7
Engineering notation 2.0181252 × 10^6

Prime Factorization of 20181252

Prime Factorization 2 × 2 × 3 × 7 × 13 × 18481

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10090626
Product of the distinct prime numbers

The prime factorization of 20181252 is 2 × 2 × 3 × 7 × 13 × 18481. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20181252)

Multiplication

n×y
n×2 40362504
n×3 60543756
n×4 80725008
n×5 100906260

Division

n÷y
n÷2 10090626
n÷3 6727084
n÷3 5045313
n÷5 4036250.4

Exponentiation

ny
n2 407282932287504
n3 8.2194794917931E+21
n4 1.6587938693271E+29
n5 3.3476537092945E+36

Nth Root

y√n
2√n 4492.3548390571
3√n 272.25928634736
4√n 67.02503143645
5√n 28.906108007224

Divisors of 20181252

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20181251
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181252 can be divided by 48 positive divisors. The sum of these divisors (counting 20181252) is 1, the average is 0.020833333333333.

Base conversion 20181252

Base System Value
2 Binary 1001100111111000100000100
3 Ternary 1101222022110210
4 Quaternary 1030333010010
5 Quinary 20131300002
6 Senary 2000315420
8 Octal 114770404
10 Decimal 20181252
12 Duodecimal 6912b70
16 Hexadecimal 133f104
20 Vigesimal 662d2c
36 Base36 c0jyc

Cryptographic Hash Functions

md5 385733b9842dee8e54d8818bd47ce76f
sha1 b63440759c58e799b6c7260fc67031e4e9b91298
sha256 b895cf73df1b14699de1d7901b20c710da9b7f01eba437efea5a6cbb8805d30c
sha512 ad4374325e8988f80e9aa75c55fcbcef18561997233c67931db0c4dd543768e9fbf9cb56ba59bb75ca2f2dcee50ac4d8690dae8d0ebf14a1beedcd9c48399d10
ripemd-160 78ac5aee1b2fb1ca87527e9429b545c994b3975e

20181252 as geometric shapes

Circle

Radius = n
Diameter 40362504
Circumference 126802546.04689
Area 1.2795170680069E+15

Sphere

Radius = n
Volume 3.4429675183665E+22
Surface area 5.1180682720277E+15
Circumference 126802546.04689

Square

Length = n
Perimeter 80725008
Area 407282932287504
Diagonal 28540600.284069

Cube

Length = n
Surface area 2443697593725024
Volume 8.2194794917931E+21
Space diagonal 34954953.824351

Equilateral Triangle

Length = n
Perimeter 60543756
Area 1.763586829444E+14
Altitude 17477476.912176

Triangular Pyramid

Length = n
Surface area 1.763586829444E+14
Volume 9.686749477451E+20
Height 9513533.4280231