15661243 (number)

15661243 is an odd 8-digits composite number following 15661242 and preceding 15661244. In scientific notation, it is written as 1.5661243 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 14456520 positive integers (up to 15661243) that are relatively prime to 15661243.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand two hundred forty-three

Notation

Scientific notation 1.5661243 × 10^7
Engineering notation 1.5661243 × 10^6

Prime Factorization of 15661243

Prime Factorization 13 × 1204711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15661243
Product of the distinct prime numbers

The prime factorization of 15661243 is 13 × 1204711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661243)

Multiplication

n×y
n×2 31322486
n×3 46983729
n×4 62644972
n×5 78306215

Division

n÷y
n÷2 7830621.5
n÷3 5220414.3333333
n÷3 3915310.75
n÷5 3132248.6

Exponentiation

ny
n2 245274532305049
n3 3.8413040521407E+21
n4 6.0159596197461E+28
n5 9.4217405483031E+35

Nth Root

y√n
2√n 3957.4288370102
3√n 250.19314673892
4√n 62.908098342028
5√n 27.476742619387

Divisors of 15661243

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 -15661242
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 15661243 can be divided by 4 positive divisors. The sum of these divisors (counting 15661243) is 1, the average is 0.25.

Base conversion 15661243

Base System Value
2 Binary 111011101111100010111011
3 Ternary 1002110200012001
4 Quaternary 323233202323
5 Quinary 13002124433
6 Senary 1315401431
8 Octal 73574273
10 Decimal 15661243
12 Duodecimal 52b3277
16 Hexadecimal eef8bb
20 Vigesimal 4hhd23
36 Base36 9boaj

Cryptographic Hash Functions

md5 2b2ff299aade71477aabfbf2586c45f5
sha1 b24e5362f59395de3079e1fffe19945a90078ee1
sha256 7372ca4070a3fb75937760f58688ff9984c9b2b345285806ad4ed027e8ddf01e
sha512 b2ca7ad93c619598c98578d0daf50e37e2522b598005cd9ea98beb0f303f00d7048b2de14eedd6b77542e0adea6fc187dda531b308b52b8f5e99dc0d550c3b8a
ripemd-160 d4af6baec7b095221fd7d08ae296c0dd81e5705c

15661243 as geometric shapes

Circle

Radius = n
Diameter 31322486
Circumference 98402491.909769
Area 7.7055266880221E+14

Sphere

Radius = n
Volume 1.6090416787213E+22
Surface area 3.0822106752089E+15
Circumference 98402491.909769

Square

Length = n
Perimeter 62644972
Area 245274532305049
Diagonal 22148342.254221

Cube

Length = n
Surface area 1471647193830294
Volume 3.8413040521407E+21
Space diagonal 27126068.585682

Equilateral Triangle

Length = n
Perimeter 46983729
Area 1.0620698793876E+14
Altitude 13563034.292841

Triangular Pyramid

Length = n
Surface area 1.0620698793876E+14
Volume 4.5270202397801E+20
Height 7382780.7514069