21481946 (number)

21481946 is an even 8-digits composite number following 21481945 and preceding 21481947. In scientific notation, it is written as 2.1481946 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 10357200 positive integers (up to 21481946) that are relatively prime to 21481946.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-one thousand nine hundred forty-six

Notation

Scientific notation 2.1481946 × 10^7
Engineering notation 2.1481946 × 10^6

Prime Factorization of 21481946

Prime Factorization 2 × 31 × 823 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21481946
Product of the distinct prime numbers

The prime factorization of 21481946 is 2 × 31 × 823 × 421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 79, 67, 4, 764, 8031, 9804, 94967, 48674, 962396, 775397, 9680680, 9658206, 87596477, 75029037, 75291323, 379459728, 1269989773, 6947482824

Basic calculations (n = 21481946)

Multiplication

n×y
n×2 42963892
n×3 64445838
n×4 85927784
n×5 107409730

Division

n÷y
n÷2 10740973
n÷3 7160648.6666667
n÷3 5370486.5
n÷5 4296389.2

Exponentiation

ny
n2 461474003946916
n3 9.9133596331914E+21
n4 2.129582563188E+29
n5 4.5747577624946E+36

Nth Root

y√n
2√n 4634.8620259939
3√n 277.98703422786
4√n 68.079820989731
5√n 29.269460944558

Divisors of 21481946

1, 2, 31, 62, 421, 823, 842, 1646, 13051, 25513, 26102, 51026, 346483, 692966, 10740973, 21481946

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21481945
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21481946 can be divided by 16 positive divisors. The sum of these divisors (counting 21481946) is 1, the average is 0.0625.

Base conversion 21481946

Base System Value
2 Binary 1010001111100100111011010
3 Ternary 1111102101200122
4 Quaternary 1101330213122
5 Quinary 20444410241
6 Senary 2044233242
8 Octal 121744732
10 Decimal 21481946
12 Duodecimal 723b822
16 Hexadecimal 147c9da
20 Vigesimal 6e54h6
36 Base36 csfkq

Cryptographic Hash Functions

md5 ca28753eb82caf052f4b3d0961090bad
sha1 c2f9a3f577494a84aeb6d67a5579cd691aec0cec
sha256 16fa61e5b4eb3ea7a3f2c87eef71ef76eedc8b743f25febae7ea6985a09ce0a4
sha512 4e9c60c33c36b37304e6f637201130a507ed1b46e68769df8a62682f6addbdd3f60759ce3a28281c1d7b803288835184cbc8540c1ccd7861fb9ea0c3ab99b15f
ripemd-160 1ca3b57ce47db917010959612bd5df4ca67edb0c

21481946 as geometric shapes

Circle

Radius = n
Diameter 42963892
Circumference 134975047.47683
Area 1.4497633406223E+15

Sphere

Radius = n
Volume 4.1524983728037E+22
Surface area 5.7990533624892E+15
Circumference 134975047.47683

Square

Length = n
Perimeter 85927784
Area 461474003946916
Diagonal 30380059.379366

Cube

Length = n
Surface area 2768844023681496
Volume 9.9133596331914E+21
Space diagonal 37207821.917451

Equilateral Triangle

Length = n
Perimeter 64445838
Area 1.9982410530207E+14
Altitude 18603910.958726

Triangular Pyramid

Length = n
Surface area 1.9982410530207E+14
Volume 1.1683006368284E+21
Height 10126686.459789