15561391 (number)

15561391 is an odd 8-digits prime number following 15561390 and preceding 15561392. In scientific notation, it is written as 1.5561391 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 15561390 positive integers (up to 15561391) that are relatively prime to 15561391.

Interesting facts

Basic properties

Name

Name fifteen million five hundred sixty-one thousand three hundred ninety-one

Notation

Scientific notation 1.5561391 × 10^7
Engineering notation 1.5561391 × 10^6

Prime Factorization of 15561391

Prime Factorization 15561391

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15561391
Product of the distinct prime numbers

The prime factorization of 15561391 is 15561391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15561391)

Multiplication

n×y
n×2 31122782
n×3 46684173
n×4 62245564
n×5 77806955

Division

n÷y
n÷2 7780695.5
n÷3 5187130.3333333
n÷3 3890347.75
n÷5 3112278.2

Exponentiation

ny
n2 242156889854881
n3 3.7682980463757E+21
n4 5.8639959304189E+28
n5 9.1251933495657E+35

Nth Root

y√n
2√n 3944.7928969719
3√n 249.66029059918
4√n 62.807586301114
5√n 27.441616012878

Divisors of 15561391

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15561392
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7780696
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3944.7930237213
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998714768
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15561391 can be divided by 2 positive divisors. The sum of these divisors (counting 15561391) is 15561392, the average is 7780696.

Base conversion 15561391

Base System Value
2 Binary 111011010111001010101111
3 Ternary 1002021121012211
4 Quaternary 323113022233
5 Quinary 12440431031
6 Senary 1313311251
8 Octal 73271257
10 Decimal 15561391
12 Duodecimal 5265527
16 Hexadecimal ed72af
20 Vigesimal 4h539b
36 Base36 99j8v

Cryptographic Hash Functions

md5 e78fbf07d5f8fdbd6db9241bcb9b2318
sha1 bcdc51b36e1c52309a2ef315dba9ff1883790b47
sha256 ddf1ff747061e72a77350c7bb4524307df02a3d93a053b2675baa460c4aa6615
sha512 1c874b85870a1004a82e29ca06659ee1c37f125f2f94fd32d357545af774961b5664e58add1c1ddd2fc4537b6650f5cbaeb914155e678d4305ca4d54752e7901
ripemd-160 3a91292c5c7f5ecc36381aab1eceaf70c47db9dc

15561391 as geometric shapes

Circle

Radius = n
Diameter 31122782
Circumference 97775103.290477
Area 7.6075830618425E+14

Sphere

Radius = n
Volume 1.5784609945374E+22
Surface area 3.043033224737E+15
Circumference 97775103.290477

Square

Length = n
Perimeter 62245564
Area 242156889854881
Diagonal 22007130.201591

Cube

Length = n
Surface area 1452941339129286
Volume 3.7682980463757E+21
Space diagonal 26953119.848445

Equilateral Triangle

Length = n
Perimeter 46684173
Area 1.0485700915788E+14
Altitude 13476559.924223

Triangular Pyramid

Length = n
Surface area 1.0485700915788E+14
Volume 4.4409818368738E+20
Height 7335710.0671969