21397941 (number)

21397941 is an odd 8-digits composite number following 21397940 and preceding 21397942. In scientific notation, it is written as 2.1397941 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13757760 positive integers (up to 21397941) that are relatively prime to 21397941.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-seven thousand nine hundred forty-one

Notation

Scientific notation 2.1397941 × 10^7
Engineering notation 2.1397941 × 10^6

Prime Factorization of 21397941

Prime Factorization 9 × 41 × 103 × 563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21397941
Product of the distinct prime numbers

The prime factorization of 21397941 is 9 × 41 × 103 × 563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 18, 86, 44, 627, 9971, 857, 20437, 80829, 760145, 337804, 3507373, 9074550, 63151135, 56892208, 286758947, 468598396, 5054900, 9809849008

Basic calculations (n = 21397941)

Multiplication

n×y
n×2 42795882
n×3 64193823
n×4 85591764
n×5 106989705

Division

n÷y
n÷2 10698970.5
n÷3 7132647
n÷3 5349485.25
n÷5 4279588.2

Exponentiation

ny
n2 457871879039481
n3 9.797515453246E+21
n4 2.0964665761515E+29
n5 4.4860068104961E+36

Nth Root

y√n
2√n 4625.7908513032
3√n 277.62420541674
4√n 68.013166749558
5√n 29.246533448755

Divisors of 21397941

1, 9, 41, 103, 369, 563, 927, 4223, 5067, 23083, 38007, 57989, 207747, 521901, 2377549, 21397941

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 -21397940
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 21397941 can be divided by 16 positive divisors. The sum of these divisors (counting 21397941) is 1, the average is 0.0625.

Base conversion 21397941

Base System Value
2 Binary 1010001101000000110110101
3 Ternary 1111021010110100
4 Quaternary 1101220012311
5 Quinary 20434213231
6 Senary 2042344313
8 Octal 121500665
10 Decimal 21397941
12 Duodecimal 71bb099
16 Hexadecimal 14681b5
20 Vigesimal 6deeh1
36 Base36 cqmr9

Cryptographic Hash Functions

md5 d96679ebc74d915ca1808c361c9d56d4
sha1 dcab8e72c83d34536c52666577ab37a7221e4ced
sha256 2475c93370a7426e6d5b7307a8d6f6b7bebf051c01b2e243be7874bc374f6421
sha512 da7b90a5c899195dcdb9b8df2abd5f9a6a51625caf766dd7e5552390df2faf5d23ad643ef3ee30181e111745e86d7108e79b363037d8db64ea1fad8d54f88759
ripemd-160 e6a71e8cc6e10b3f71506f0479e7ea429507e091

21397941 as geometric shapes

Circle

Radius = n
Diameter 42795882
Circumference 134447228.4951
Area 1.4384469314758E+15

Sphere

Radius = n
Volume 4.10397367618E+22
Surface area 5.7537877259032E+15
Circumference 134447228.4951

Square

Length = n
Perimeter 85591764
Area 457871879039481
Diagonal 30261258.369059

Cube

Length = n
Surface area 2747231274236886
Volume 9.797515453246E+21
Space diagonal 37062320.989361

Equilateral Triangle

Length = n
Perimeter 64193823
Area 1.9826433946335E+14
Altitude 18531160.494681

Triangular Pyramid

Length = n
Surface area 1.9826433946335E+14
Volume 1.154648269295E+21
Height 10087086.12302