21492237 (number)

21492237 is an odd 8-digits composite number following 21492236 and preceding 21492238. In scientific notation, it is written as 2.1492237 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13225680 positive integers (up to 21492237) that are relatively prime to 21492237.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand two hundred thirty-seven

Notation

Scientific notation 2.1492237 × 10^7
Engineering notation 2.1492237 × 10^6

Prime Factorization of 21492237

Prime Factorization 39 × 13 × 42391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492237
Product of the distinct prime numbers

The prime factorization of 21492237 is 39 × 13 × 42391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492237)

Multiplication

n×y
n×2 42984474
n×3 64476711
n×4 85968948
n×5 107461185

Division

n÷y
n÷2 10746118.5
n÷3 7164079
n÷3 5373059.25
n÷5 4298447.4

Exponentiation

ny
n2 461916251264169
n3 9.9276135463211E+21
n4 2.1336662318194E+29
n5 4.585726033316E+36

Nth Root

y√n
2√n 4635.9720663524
3√n 278.03141735577
4√n 68.087972993418
5√n 29.272264734499

Divisors of 21492237

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492236
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492237 can be divided by 8 positive divisors. The sum of these divisors (counting 21492237) is 1, the average is 0.125.

Base conversion 21492237

Base System Value
2 Binary 1010001111111001000001101
3 Ternary 1111102220210210
4 Quaternary 1101333020031
5 Quinary 21000222422
6 Senary 2044353033
8 Octal 121771015
10 Decimal 21492237
12 Duodecimal 7245779
16 Hexadecimal 147f20d
20 Vigesimal 6e6abh
36 Base36 csnil

Cryptographic Hash Functions

md5 c1992f867ab0b7a222454a383ac25e84
sha1 dc36e85116eb2b31152a53095ebb5ade03b010ec
sha256 453b0f512ded536f35428ca4317f63477719e23169efa3467578a90acfdd40fb
sha512 db55483fc51a8a23c3d64d0c0264d71bfa0567584f661019b4a839bf3c5e28b23f729b8555781738806f5030b0ed3fa84a2b9088dcf0494e690ad58acbc36fb4
ripemd-160 9a55c95a32b7c9d56047fdec187e03527ece7553

21492237 as geometric shapes

Circle

Radius = n
Diameter 42984474
Circumference 135039707.73682
Area 1.4511527015453E+15

Sphere

Radius = n
Volume 4.1584690379734E+22
Surface area 5.804610806181E+15
Circumference 135039707.73682

Square

Length = n
Perimeter 85968948
Area 461916251264169
Diagonal 30394613.051137

Cube

Length = n
Surface area 2771497507585014
Volume 9.9276135463211E+21
Space diagonal 37225646.452312

Equilateral Triangle

Length = n
Perimeter 64476711
Area 2.0001560400782E+14
Altitude 18612823.226156

Triangular Pyramid

Length = n
Surface area 2.0001560400782E+14
Volume 1.1699804766005E+21
Height 10131537.683712