21494540 (number)

21494540 is an even 8-digits composite number following 21494539 and preceding 21494541. In scientific notation, it is written as 2.1494540 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 8476160 positive integers (up to 21494540) that are relatively prime to 21494540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494540 × 10^7
Engineering notation 2.1494540 × 10^6

Prime Factorization of 21494540

Prime Factorization 2 × 2 × 5 × 71 × 15137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747270
Product of the distinct prime numbers

The prime factorization of 21494540 is 2 × 2 × 5 × 71 × 15137. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 13, 79, 552, 43, 9197, 4862, 94233, 4210, 517240, 810908, 6747437, 5437881, 3366220, 69739642, 188821841, 539577099, 392957787, 8423163997

Basic calculations (n = 21494540)

Multiplication

n×y
n×2 42989080
n×3 64483620
n×4 85978160
n×5 107472700

Division

n÷y
n÷2 10747270
n÷3 7164846.6666667
n÷3 5373635
n÷5 4298908

Exponentiation

ny
n2 462015249811600
n3 9.9308052676854E+21
n4 2.1345809105848E+29
n5 4.58818347658E+36

Nth Root

y√n
2√n 4636.2204434216
3√n 278.04134781709
4√n 68.089796911296
5√n 29.272892041339

Divisors of 21494540

1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15137, 30274, 60548, 75685, 151370, 302740, 1074727, 2149454, 4298908, 5373635, 10747270, 21494540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494540 can be divided by 24 positive divisors. The sum of these divisors (counting 21494540) is 1, the average is 0.041666666666667.

Base conversion 21494540

Base System Value
2 Binary 1010001111111101100001100
3 Ternary 1111110000222002
4 Quaternary 1101333230030
5 Quinary 21000311130
6 Senary 2044411432
8 Octal 121775414
10 Decimal 21494540
12 Duodecimal 7246b78
16 Hexadecimal 147fb0c
20 Vigesimal 6e6g70
36 Base36 cspak

Cryptographic Hash Functions

md5 cb325e1f4d627bf8a0557f51c4101a41
sha1 22325ae14d8357aa9612cbe81da5d7757e77c48d
sha256 68105f636864b7663bf0bdbb0e3ee197415d20fd1f57be9aafbbddf9d15e3a81
sha512 7707c6bde8d651af402ddcbe2e33ffd19452a727c25493d1b0a5116e8f41266c7e3b43839846a1176638af14572910eb77112af01013da3beb8d773b849a65f2
ripemd-160 3ff122e0303a3ccf30ca7787a96e576df776728d

21494540 as geometric shapes

Circle

Radius = n
Diameter 42989080
Circumference 135054177.91258
Area 1.4514637146546E+15

Sphere

Radius = n
Volume 4.1598059830922E+22
Surface area 5.8058548586183E+15
Circumference 135054177.91258

Square

Length = n
Perimeter 85978160
Area 462015249811600
Diagonal 30397869.984971

Cube

Length = n
Surface area 2772091498869600
Volume 9.9308052676854E+21
Space diagonal 37229635.365322

Equilateral Triangle

Length = n
Perimeter 64483620
Area 2.0005847163633E+14
Altitude 18614817.682661

Triangular Pyramid

Length = n
Surface area 2.0005847163633E+14
Volume 1.1703566245706E+21
Height 10132623.328324