15661385 (number)

15661385 is an odd 8-digits composite number following 15661384 and preceding 15661386. In scientific notation, it is written as 1.5661385 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 12134400 positive integers (up to 15661385) that are relatively prime to 15661385.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand three hundred eighty-five

Notation

Scientific notation 1.5661385 × 10^7
Engineering notation 1.5661385 × 10^6

Prime Factorization of 15661385

Prime Factorization 5 × 41 × 317 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15661385
Product of the distinct prime numbers

The prime factorization of 15661385 is 5 × 41 × 317 × 241. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 34, 67, 996, 987, 70, 6320, 59013, 34744, 106273, 682598, 6600830, 964180, 53493488, 39355780, 280716601, 689528597, 3035572661, 8709983328

Basic calculations (n = 15661385)

Multiplication

n×y
n×2 31322770
n×3 46984155
n×4 62645540
n×5 78306925

Division

n÷y
n÷2 7830692.5
n÷3 5220461.6666667
n÷3 3915346.25
n÷5 3132277

Exponentiation

ny
n2 245278980118225
n3 3.8414085400389E+21
n4 6.0161778087837E+28
n5 9.4221676891817E+35

Nth Root

y√n
2√n 3957.4467779112
3√n 250.19390290111
4√n 62.908240937982
5√n 27.47679244536

Divisors of 15661385

1, 5, 41, 205, 241, 317, 1205, 1585, 9881, 12997, 49405, 64985, 76397, 381985, 3132277, 15661385

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 -15661384
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 15661385 can be divided by 16 positive divisors. The sum of these divisors (counting 15661385) is 1, the average is 0.0625.

Base conversion 15661385

Base System Value
2 Binary 111011101111100101001001
3 Ternary 1002110200101022
4 Quaternary 323233211021
5 Quinary 13002131020
6 Senary 1315402225
8 Octal 73574511
10 Decimal 15661385
12 Duodecimal 52b3375
16 Hexadecimal eef949
20 Vigesimal 4hhd95
36 Base36 9boeh

Cryptographic Hash Functions

md5 600cc9c671b39f620a545ae98852aa47
sha1 eaed375b725fceedf471cbf71af49eb54cbc7914
sha256 20820933e86b5b940e58712e64199a15995df5e04db808575e3a8e5c8364e9ca
sha512 0d404f96f4efbd0e44d247acfb56da302adde07f0c2a9bdd6bc9c42ca8de485eeda435b5bf0de8e7a1126bece7c4013ca47e62702fb58a2eca0dcaceb04f5593
ripemd-160 c64c0c84e954a401ed16fc9d04956c9ccacc7299

15661385 as geometric shapes

Circle

Radius = n
Diameter 31322770
Circumference 98403384.122083
Area 7.7056664201941E+14

Sphere

Radius = n
Volume 1.6090854465098E+22
Surface area 3.0822665680777E+15
Circumference 98403384.122083

Square

Length = n
Perimeter 62645540
Area 245278980118225
Diagonal 22148543.072547

Cube

Length = n
Surface area 1471673880709350
Volume 3.8414085400389E+21
Space diagonal 27126314.536897

Equilateral Triangle

Length = n
Perimeter 46984155
Area 1.0620891389836E+14
Altitude 13563157.268449

Triangular Pyramid

Length = n
Surface area 1.0620891389836E+14
Volume 4.527143379949E+20
Height 7382847.6908489