21506742 (number)

21506742 is an even 8-digits composite number following 21506741 and preceding 21506743. In scientific notation, it is written as 2.1506742 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 7168896 positive integers (up to 21506742) that are relatively prime to 21506742.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred six thousand seven hundred forty-two

Notation

Scientific notation 2.1506742 × 10^7
Engineering notation 2.1506742 × 10^6

Prime Factorization of 21506742

Prime Factorization 2 × 9 × 3 × 398273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21506742
Product of the distinct prime numbers

The prime factorization of 21506742 is 2 × 9 × 3 × 398273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 26, 6, 103, 766, 5542, 6562, 19204, 69884, 800581, 973744, 3130056, 6500619, 84548960, 15288675, 36393142, 210140084, 8346880739, 7951972308

Basic calculations (n = 21506742)

Multiplication

n×y
n×2 43013484
n×3 64520226
n×4 86026968
n×5 107533710

Division

n÷y
n÷2 10753371
n÷3 7168914
n÷3 5376685.5
n÷5 4301348.4

Exponentiation

ny
n2 462539951454564
n3 9.9477274006258E+21
n4 2.1394320669159E+29
n5 4.6012213489687E+36

Nth Root

y√n
2√n 4637.5361993196
3√n 278.0939506137
4√n 68.099458142629
5√n 29.276214808414

Divisors of 21506742

1, 2, 3, 6, 9, 18, 27, 54, 398273, 796546, 1194819, 2389638, 3584457, 7168914, 10753371, 21506742

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 -21506741
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 21506742 can be divided by 16 positive divisors. The sum of these divisors (counting 21506742) is 1, the average is 0.0625.

Base conversion 21506742

Base System Value
2 Binary 1010010000010101010110110
3 Ternary 1111110122201000
4 Quaternary 1102002222312
5 Quinary 21001203432
6 Senary 2044544130
8 Octal 122025266
10 Decimal 21506742
12 Duodecimal 7252046
16 Hexadecimal 1482ab6
20 Vigesimal 6e86h2
36 Base36 csypi

Cryptographic Hash Functions

md5 39cddbba8ac9a44480c509b2d54d11ff
sha1 ab2bf8c31a5a3300239e8856a74fd0b250b8aef3
sha256 67b3e10ce2ffd866eb66aebac1618620729febba181448e885f772fe06f9dfbc
sha512 04af44e04d962030264cddec7437cd8e7d83f4e1d07227d8bd97820032b02b9abf7f671591efb4989fb4adc28dee8b33b350833d49c3acb0659c684766a58c5c
ripemd-160 327fbfbce14fc10bd96ea4ed26cb59b1fe4ccb70

21506742 as geometric shapes

Circle

Radius = n
Diameter 43013484
Circumference 135130845.3397
Area 1.4531121134814E+15

Sphere

Radius = n
Volume 4.1668943095627E+22
Surface area 5.8124484539258E+15
Circumference 135130845.3397

Square

Length = n
Perimeter 86026968
Area 462539951454564
Diagonal 30415126.218859

Cube

Length = n
Surface area 2775239708727384
Volume 9.9477274006258E+21
Space diagonal 37250769.849275

Equilateral Triangle

Length = n
Perimeter 64520226
Area 2.0028567411244E+14
Altitude 18625384.924638

Triangular Pyramid

Length = n
Surface area 2.0028567411244E+14
Volume 1.172350917063E+21
Height 10138375.406286