15661238 (number)

15661238 is an even 8-digits composite number following 15661237 and preceding 15661239. In scientific notation, it is written as 1.5661238 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 7830618 positive integers (up to 15661238) that are relatively prime to 15661238.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661238 × 10^7
Engineering notation 1.5661238 × 10^6

Prime Factorization of 15661238

Prime Factorization 2 × 7830619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15661238
Product of the distinct prime numbers

The prime factorization of 15661238 is 2 × 7830619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 32, 79, 614, 658, 9311, 248, 22692, 27407, 657124, 690239, 3907783, 4452142, 57680158, 3300495, 361391620, 122252071, 523377078, 9616425015

Basic calculations (n = 15661238)

Multiplication

n×y
n×2 31322476
n×3 46983714
n×4 62644952
n×5 78306190

Division

n÷y
n÷2 7830619
n÷3 5220412.6666667
n÷3 3915309.5
n÷5 3132247.6

Exponentiation

ny
n2 245274375692644
n3 3.8413003730239E+21
n4 6.0159519371416E+28
n5 9.4217255084136E+35

Nth Root

y√n
2√n 3957.4282052869
3√n 250.19312011341
4√n 62.908093321026
5√n 27.476740864945

Divisors of 15661238

1, 2, 7830619, 15661238

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661237
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661238 can be divided by 4 positive divisors. The sum of these divisors (counting 15661238) is 1, the average is 0.25.

Base conversion 15661238

Base System Value
2 Binary 111011101111100010110110
3 Ternary 1002110200011212
4 Quaternary 323233202312
5 Quinary 13002124423
6 Senary 1315401422
8 Octal 73574266
10 Decimal 15661238
12 Duodecimal 52b3272
16 Hexadecimal eef8b6
20 Vigesimal 4hhd1i
36 Base36 9boae

Cryptographic Hash Functions

md5 ce7286d97c76cb4f66e03a9fd38996e2
sha1 7346ce1d700e07f6b3cb2925e42b264f99ce85cb
sha256 dd7c3b3db5bc543ec33f993bbb602f4a7e475abeac401393ad9e5f9e34f30b65
sha512 c417592298bcf21c921deb7aaf5b7ac49e2808f38e60ca7bf63a4c6c9c6bc081a221bd79ec99d79c07395ee508c732bb5cf0cfb36adba92b6f2f5c00da9c5cd4
ripemd-160 6ba724e0a5f42cb9f39d3beeb1371cb6b47261c9

15661238 as geometric shapes

Circle

Radius = n
Diameter 31322476
Circumference 98402460.493843
Area 7.7055217678983E+14

Sphere

Radius = n
Volume 1.6090401376165E+22
Surface area 3.0822087071593E+15
Circumference 98402460.493843

Square

Length = n
Perimeter 62644952
Area 245274375692644
Diagonal 22148335.183153

Cube

Length = n
Surface area 1471646254155864
Volume 3.8413003730239E+21
Space diagonal 27126059.925428

Equilateral Triangle

Length = n
Perimeter 46983714
Area 1.062069201236E+14
Altitude 13563029.962714

Triangular Pyramid

Length = n
Surface area 1.062069201236E+14
Volume 4.5270159038994E+20
Height 7382778.3943843