21493892 (number)

21493892 is an even 8-digits composite number following 21493891 and preceding 21493893. In scientific notation, it is written as 2.1493892 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 8962272 positive integers (up to 21493892) that are relatively prime to 21493892.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493892 × 10^7
Engineering notation 2.1493892 × 10^6

Prime Factorization of 21493892

Prime Factorization 2 × 2 × 7 × 37 × 20747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746946
Product of the distinct prime numbers

The prime factorization of 21493892 is 2 × 2 × 7 × 37 × 20747. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 14, 2, 548, 983, 3308, 7602, 12577, 44637, 681127, 146717, 1589362, 4006243, 91802109, 61684494, 914998473, 127507268, 5766813918, 3881340347

Basic calculations (n = 21493892)

Multiplication

n×y
n×2 42987784
n×3 64481676
n×4 85975568
n×5 107469460

Division

n÷y
n÷2 10746946
n÷3 7164630.6666667
n÷3 5373473
n÷5 4298778.4

Exponentiation

ny
n2 461987393307664
n3 9.9299071371165E+21
n4 2.1343235157521E+29
n5 4.5874919140636E+36

Nth Root

y√n
2√n 4636.1505583835
3√n 278.03855373382
4√n 68.089283726469
5√n 29.272715540117

Divisors of 21493892

1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20747, 41494, 82988, 145229, 290458, 580916, 767639, 1535278, 3070556, 5373473, 10746946, 21493892

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493892 can be divided by 24 positive divisors. The sum of these divisors (counting 21493892) is 1, the average is 0.041666666666667.

Base conversion 21493892

Base System Value
2 Binary 1010001111111100010000100
3 Ternary 1111110000002002
4 Quaternary 1101333202010
5 Quinary 21000301032
6 Senary 2044404432
8 Octal 121774204
10 Decimal 21493892
12 Duodecimal 7246718
16 Hexadecimal 147f884
20 Vigesimal 6e6eec
36 Base36 csosk

Cryptographic Hash Functions

md5 93a69f1c1c38b1b633a5d2079e85837c
sha1 5d2d0039ecb1d1604f48ae06a9a2242c3508dfb6
sha256 46210c2dd50a5980958748b66558f47677ae4a0f2fb32acf01616e9293b9c226
sha512 8cc13c1687757ce2547f399e0420b1f509df67a2fcec92f53ee0fc14070e031a68fa3f56a493487a0b02702787c5ab4a25581081623a6d5c2987aa034ecac567
ripemd-160 cf47549dad571d8c25647fbf840ae183a76674f0

21493892 as geometric shapes

Circle

Radius = n
Diameter 42987784
Circumference 135050106.4085
Area 1.4513762008665E+15

Sphere

Radius = n
Volume 4.1594297750392E+22
Surface area 5.8055048034658E+15
Circumference 135050106.4085

Square

Length = n
Perimeter 85975568
Area 461987393307664
Diagonal 30396953.574583

Cube

Length = n
Surface area 2771924359845984
Volume 9.9299071371165E+21
Space diagonal 37228512.996398

Equilateral Triangle

Length = n
Perimeter 64481676
Area 2.0004640941629E+14
Altitude 18614256.498199

Triangular Pyramid

Length = n
Surface area 2.0004640941629E+14
Volume 1.170250778868E+21
Height 10132317.858194