21492541 (number)

21492541 is an odd 8-digits composite number following 21492540 and preceding 21492542. In scientific notation, it is written as 2.1492541 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18374688 positive integers (up to 21492541) that are relatively prime to 21492541.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand five hundred forty-one

Notation

Scientific notation 2.1492541 × 10^7
Engineering notation 2.1492541 × 10^6

Prime Factorization of 21492541

Prime Factorization 7 × 409 × 7507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492541
Product of the distinct prime numbers

The prime factorization of 21492541 is 7 × 409 × 7507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492541)

Multiplication

n×y
n×2 42985082
n×3 64477623
n×4 85970164
n×5 107462705

Division

n÷y
n÷2 10746270.5
n÷3 7164180.3333333
n÷3 5373135.25
n÷5 4298508.2

Exponentiation

ny
n2 461929318636681
n3 9.9280348199009E+21
n4 2.1337869541615E+29
n5 4.5860503597581E+36

Nth Root

y√n
2√n 4636.0048533193
3√n 278.03272823455
4√n 68.088213762143
5√n 29.272347543172

Divisors of 21492541

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492540
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492541 can be divided by 8 positive divisors. The sum of these divisors (counting 21492541) is 1, the average is 0.125.

Base conversion 21492541

Base System Value
2 Binary 1010001111111001100111101
3 Ternary 1111102221020001
4 Quaternary 1101333030331
5 Quinary 21000230131
6 Senary 2044354301
8 Octal 121771475
10 Decimal 21492541
12 Duodecimal 7245991
16 Hexadecimal 147f33d
20 Vigesimal 6e6b71
36 Base36 csnr1

Cryptographic Hash Functions

md5 f5c845bb7d25360fee86ea33664d42c4
sha1 91ed92a4cb7cc84b31d2c5ac68f1de4ab788d02e
sha256 5bb4194317d11dff199fc0c478364aa4c664ccf5e4a5b25e9b1ef01059aecae5
sha512 8a3f5bed2505a9b5104d1b4b6669ee45fe9a08ca92b2fb8d3ae4157d36f9d4fb218e3b8883fcf5b406c8b6be3b08a7488512885f848c00fa36a28880c0e94c73
ripemd-160 919a43687e5199835dbeb34da8e47c80a91ded1b

21492541 as geometric shapes

Circle

Radius = n
Diameter 42985082
Circumference 135041617.82515
Area 1.4511937539067E+15

Sphere

Radius = n
Volume 4.1586455006379E+22
Surface area 5.8047750156269E+15
Circumference 135041617.82515

Square

Length = n
Perimeter 85970164
Area 461929318636681
Diagonal 30395042.97206

Cube

Length = n
Surface area 2771575911820086
Volume 9.9280348199009E+21
Space diagonal 37226172.995757

Equilateral Triangle

Length = n
Perimeter 64477623
Area 2.000212623461E+14
Altitude 18613086.497879

Triangular Pyramid

Length = n
Surface area 2.000212623461E+14
Volume 1.170030124168E+21
Height 10131680.990687