15661438 (number)

15661438 is an even 8-digits composite number following 15661437 and preceding 15661439. In scientific notation, it is written as 1.5661438 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 7207200 positive integers (up to 15661438) that are relatively prime to 15661438.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand four hundred thirty-eight

Notation

Scientific notation 1.5661438 × 10^7
Engineering notation 1.5661438 × 10^6

Prime Factorization of 15661438

Prime Factorization 2 × 13 × 1301 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15661438
Product of the distinct prime numbers

The prime factorization of 15661438 is 2 × 13 × 1301 × 463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 19, 32, 285, 300, 8962, 1383, 87969, 57820, 803127, 3975, 2990828, 2780736, 71913688, 97937474, 51382082, 355466919, 4842324091, 5891375909

Basic calculations (n = 15661438)

Multiplication

n×y
n×2 31322876
n×3 46984314
n×4 62645752
n×5 78307190

Division

n÷y
n÷2 7830719
n÷3 5220479.3333333
n÷3 3915359.5
n÷5 3132287.6

Exponentiation

ny
n2 245280640227844
n3 3.8414475395287E+21
n4 6.0162592470581E+28
n5 9.4223271189727E+35

Nth Root

y√n
2√n 3957.4534741422
3√n 250.19418512949
4√n 62.908294160168
5√n 27.476811042285

Divisors of 15661438

1, 2, 13, 26, 463, 926, 1301, 2602, 6019, 12038, 16913, 33826, 602363, 1204726, 7830719, 15661438

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 -15661437
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 15661438 can be divided by 16 positive divisors. The sum of these divisors (counting 15661438) is 1, the average is 0.0625.

Base conversion 15661438

Base System Value
2 Binary 111011101111100101111110
3 Ternary 1002110200110021
4 Quaternary 323233211332
5 Quinary 13002131223
6 Senary 1315402354
8 Octal 73574576
10 Decimal 15661438
12 Duodecimal 52b33ba
16 Hexadecimal eef97e
20 Vigesimal 4hhdbi
36 Base36 9bofy

Cryptographic Hash Functions

md5 32e9e8fb6797bf431aea204e8619c9ab
sha1 e5e75184ec3702f63ee38d2a5d28d3b261ccd077
sha256 8a7583a80561f504c5e47f6a82d7cc248d3479f424019f231a1811a1a910bc18
sha512 e672118f1fd1798601a183c3691bcd5053fc6a165afb839aae4d52091f58b900e9571b95e6388be42a842cfde93d73bb3d500a1fa7196333720d69b434814047
ripemd-160 33e90d6882f5916ea2360f579127418131fecc70

15661438 as geometric shapes

Circle

Radius = n
Diameter 31322876
Circumference 98403717.130904
Area 7.705718574076E+14

Sphere

Radius = n
Volume 1.6091017825779E+22
Surface area 3.0822874296304E+15
Circumference 98403717.130904

Square

Length = n
Perimeter 62645752
Area 245280640227844
Diagonal 22148618.025865

Cube

Length = n
Surface area 1471683841367064
Volume 3.8414475395287E+21
Space diagonal 27126406.33559

Equilateral Triangle

Length = n
Perimeter 46984314
Area 1.0620963274691E+14
Altitude 13563203.167795

Triangular Pyramid

Length = n
Surface area 1.0620963274691E+14
Volume 4.5271893412885E+20
Height 7382872.6752885