21493902 (number)

21493902 is an even 8-digits composite number following 21493901 and preceding 21493903. In scientific notation, it is written as 2.1493902 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6740928 positive integers (up to 21493902) that are relatively prime to 21493902.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand nine hundred two

Notation

Scientific notation 2.1493902 × 10^7
Engineering notation 2.1493902 × 10^6

Prime Factorization of 21493902

Prime Factorization 2 × 3 × 1129 × 19 × 167

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21493902
Product of the distinct prime numbers

The prime factorization of 21493902 is 2 × 3 × 1129 × 19 × 167. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 20, 99, 283, 329, 1704, 7381, 46771, 84777, 675492, 254858, 3239894, 8198253, 25703462, 28464938, 762343815, 936848454, 6368477327, 2936758307

Basic calculations (n = 21493902)

Multiplication

n×y
n×2 42987804
n×3 64481706
n×4 85975608
n×5 107469510

Division

n÷y
n÷2 10746951
n÷3 7164634
n÷3 5373475.5
n÷5 4298780.4

Exponentiation

ny
n2 461987823185604
n3 9.9299209967447E+21
n4 2.1343274877177E+29
n5 4.5875025856911E+36

Nth Root

y√n
2√n 4636.1516368644
3√n 278.03859685281
4√n 68.089291646076
5√n 29.272718263934

Divisors of 21493902

1, 2, 3, 6, 19, 38, 57, 114, 167, 334, 501, 1002, 1129, 2258, 3173, 3387, 6346, 6774, 9519, 19038, 21451, 42902, 64353, 128706, 188543, 377086, 565629, 1131258, 3582317, 7164634, 10746951, 21493902

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493902 can be divided by 32 positive divisors. The sum of these divisors (counting 21493902) is 1, the average is 0.03125.

Base conversion 21493902

Base System Value
2 Binary 1010001111111100010001110
3 Ternary 1111110000002110
4 Quaternary 1101333202032
5 Quinary 21000301102
6 Senary 2044404450
8 Octal 121774216
10 Decimal 21493902
12 Duodecimal 7246726
16 Hexadecimal 147f88e
20 Vigesimal 6e6ef2
36 Base36 csosu

Cryptographic Hash Functions

md5 2092d58fb598fe8881b6cece2dd7d127
sha1 90d47a76d6972b71474ff52b07d84694ff10f74d
sha256 a2ef9f39b51a05254d033fbda86a5b6c881828cf005ec24dd3a3b01003da6ec1
sha512 7eb1ffd8e92261e2b84a4d24f622c6b8d3c58cc07b3745726b99e018b50290b2010f53756edba38110dd08b7073431a720627110df2b309f93aa54261024a473
ripemd-160 83179c50037d1671f141374ed65636340ccbe49b

21493902 as geometric shapes

Circle

Radius = n
Diameter 42987804
Circumference 135050169.24036
Area 1.4513775513678E+15

Sphere

Radius = n
Volume 4.1594355805467E+22
Surface area 5.8055102054713E+15
Circumference 135050169.24036

Square

Length = n
Perimeter 85975608
Area 461987823185604
Diagonal 30396967.716718

Cube

Length = n
Surface area 2771926939113624
Volume 9.9299209967447E+21
Space diagonal 37228530.316906

Equilateral Triangle

Length = n
Perimeter 64481706
Area 2.000465955589E+14
Altitude 18614265.158453

Triangular Pyramid

Length = n
Surface area 2.000465955589E+14
Volume 1.1702524122408E+21
Height 10132322.572239