21498894 (number)

21498894 is an even 8-digits composite number following 21498893 and preceding 21498895. In scientific notation, it is written as 2.1498894 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 7166292 positive integers (up to 21498894) that are relatively prime to 21498894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1498894 × 10^7
Engineering notation 2.1498894 × 10^6

Prime Factorization of 21498894

Prime Factorization 2 × 3 × 3 × 1194383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7166298
Product of the distinct prime numbers

The prime factorization of 21498894 is 2 × 3 × 3 × 1194383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 80, 50, 137, 482, 6775, 6564, 11748, 5826, 320174, 445667, 2946826, 5504125, 91723131, 68815897, 287439482, 539781840, 125213736, 7690627916

Basic calculations (n = 21498894)

Multiplication

n×y
n×2 42997788
n×3 64496682
n×4 85995576
n×5 107494470

Division

n÷y
n÷2 10749447
n÷3 7166298
n÷3 5374723.5
n÷5 4299778.8

Exponentiation

ny
n2 462202443223236
n3 9.9368413333974E+21
n4 2.1363109852153E+29
n5 4.5928323422179E+36

Nth Root

y√n
2√n 4636.6899831669
3√n 278.0601201859
4√n 68.09324476897
5√n 29.274077866634

Divisors of 21498894

1, 2, 3, 6, 9, 18, 1194383, 2388766, 3583149, 7166298, 10749447, 21498894

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21498893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21498894 can be divided by 12 positive divisors. The sum of these divisors (counting 21498894) is 1, the average is 0.083333333333333.

Base conversion 21498894

Base System Value
2 Binary 1010010000000110000001110
3 Ternary 1111110020221100
4 Quaternary 1102000300032
5 Quinary 21000431034
6 Senary 2044443530
8 Octal 122006016
10 Decimal 21498894
12 Duodecimal 72495a6
16 Hexadecimal 1480c0e
20 Vigesimal 6e774e
36 Base36 cssni

Cryptographic Hash Functions

md5 07d8cb202e875126e93b2708b847d92b
sha1 5324c1a33fd94cbd143196f5df62e3993cc9f57a
sha256 29cd489a14a177b0578a4d15bfaff02ed7402cd19138d09a4f05d86bd6894fc3
sha512 b5d6f0b2a0f2a427b330e2fa5dca9fcfafbb352d0df4a042ad6df5d409b59e8847a32dc2175a6347e640b5b1a7d095d8f2560ffa0f4d7a4eff0ec492cb4dab7a
ripemd-160 b95bc364a078745cfa62a3ceb237bc9eb2483007

21498894 as geometric shapes

Circle

Radius = n
Diameter 42997788
Circumference 135081534.90141
Area 1.4520518001014E+15

Sphere

Radius = n
Volume 4.1623343643851E+22
Surface area 5.8082072004055E+15
Circumference 135081534.90141

Square

Length = n
Perimeter 85995576
Area 462202443223236
Diagonal 30404027.470822

Cube

Length = n
Surface area 2773214659339416
Volume 9.9368413333974E+21
Space diagonal 37237176.714538

Equilateral Triangle

Length = n
Perimeter 64496682
Area 2.0013952876128E+14
Altitude 18618588.357269

Triangular Pyramid

Length = n
Surface area 2.0013952876128E+14
Volume 1.1710679817367E+21
Height 10134675.823607