21492641 (number)

21492641 is an odd 8-digits composite number following 21492640 and preceding 21492642. In scientific notation, it is written as 2.1492641 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 19567680 positive integers (up to 21492641) that are relatively prime to 21492641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492641 × 10^7
Engineering notation 2.1492641 × 10^6

Prime Factorization of 21492641

Prime Factorization 31 × 17 × 17 × 2399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1264273
Product of the distinct prime numbers

The prime factorization of 21492641 is 31 × 17 × 17 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 58, 27, 535, 330, 1566, 913, 22655, 24622, 763720, 560721, 3742055, 42507, 25918789, 48414001, 450924504, 592765065, 762777716, 6951473507

Basic calculations (n = 21492641)

Multiplication

n×y
n×2 42985282
n×3 64477923
n×4 85970564
n×5 107463205

Division

n÷y
n÷2 10746320.5
n÷3 7164213.6666667
n÷3 5373160.25
n÷5 4298528.2

Exponentiation

ny
n2 461933617154881
n3 9.9281733993413E+21
n4 2.1338266665779E+29
n5 4.5861570500986E+36

Nth Root

y√n
2√n 4636.0156384551
3√n 278.03315944197
4√n 68.088292961823
5√n 29.272374782662

Divisors of 21492641

1, 17, 31, 289, 527, 2399, 8959, 40783, 74369, 693311, 1264273, 21492641

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 -21492640
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 21492641 can be divided by 12 positive divisors. The sum of these divisors (counting 21492641) is 1, the average is 0.083333333333333.

Base conversion 21492641

Base System Value
2 Binary 1010001111111001110100001
3 Ternary 1111102221100202
4 Quaternary 1101333032201
5 Quinary 21000231031
6 Senary 2044354545
8 Octal 121771641
10 Decimal 21492641
12 Duodecimal 7245a55
16 Hexadecimal 147f3a1
20 Vigesimal 6e6bc1
36 Base36 csntt

Cryptographic Hash Functions

md5 616f35fbe47b817536ff3e7581a23570
sha1 6ec1f9373fd4371e886511f33b4e11f850d91b75
sha256 34e3255ffabdbe1875649add938b0667d5897053c6a8e56f4dcbd5662fcb866a
sha512 23717aa203e42ba4fb6d78349550bdd40294370df79ea2ee10b199514b87319805293c27972958cf5a4197b7f6193c21a49a43d02ba5d2ac5750f1b3a96c0756
ripemd-160 209930ec2702adf4bf2bec5aa0216293ecb0e013

21492641 as geometric shapes

Circle

Radius = n
Diameter 42985282
Circumference 135042246.14369
Area 1.4512072580999E+15

Sphere

Radius = n
Volume 4.1587035486582E+22
Surface area 5.8048290323997E+15
Circumference 135042246.14369

Square

Length = n
Perimeter 85970564
Area 461933617154881
Diagonal 30395184.393416

Cube

Length = n
Surface area 2771601702929286
Volume 9.9281733993413E+21
Space diagonal 37226346.200838

Equilateral Triangle

Length = n
Perimeter 64477923
Area 2.0002312365908E+14
Altitude 18613173.100419

Triangular Pyramid

Length = n
Surface area 2.0002312365908E+14
Volume 1.1700464559117E+21
Height 10131728.131139