15491640 (number)

15491640 is an even 8-digits composite number following 15491639 and preceding 15491641. In scientific notation, it is written as 1.5491640 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 4131072 positive integers (up to 15491640) that are relatively prime to 15491640.

Interesting facts

Basic properties

Name

Name fifteen million four hundred ninety-one thousand six hundred forty

Notation

Scientific notation 1.5491640 × 10^7
Engineering notation 1.5491640 × 10^6

Prime Factorization of 15491640

Prime Factorization 2 × 2 × 2 × 15 × 129097

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3872910
Product of the distinct prime numbers

The prime factorization of 15491640 is 2 × 2 × 2 × 15 × 129097. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 59, 82, 820, 988, 4767, 9235, 43589, 89052, 559394, 919812, 4671386, 769565, 70500740, 56472021, 140350185, 542600350, 4342011803, 7502820524

Basic calculations (n = 15491640)

Multiplication

n×y
n×2 30983280
n×3 46474920
n×4 61966560
n×5 77458200

Division

n÷y
n÷2 7745820
n÷3 5163880
n÷3 3872910
n÷5 3098328

Exponentiation

ny
n2 239990909889600
n3 3.7178527792821E+21
n4 5.7595636829638E+28
n5 8.9225087133549E+35

Nth Root

y√n
2√n 3935.9420727445
3√n 249.28671349158
4√n 62.737086900369
5√n 27.416971413711

Divisors of 15491640

1, 2, 4, 8, 15, 30, 60, 120, 129097, 258194, 516388, 1032776, 1936455, 3872910, 7745820, 15491640

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 -15491639
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 15491640 can be divided by 16 positive divisors. The sum of these divisors (counting 15491640) is 1, the average is 0.0625.

Base conversion 15491640

Base System Value
2 Binary 111011000110001000111000
3 Ternary 1002011001112110
4 Quaternary 323012020320
5 Quinary 12431213030
6 Senary 1312012320
8 Octal 73061070
10 Decimal 15491640
12 Duodecimal 52310a0
16 Hexadecimal ec6238
20 Vigesimal 4gg920
36 Base36 981fc

Cryptographic Hash Functions

md5 866242eaed265ec3808a0da60c24dd17
sha1 7b7f4d5d475f5e135aae8c12b4d9a4e16c7d8047
sha256 29ee8b7332cbb44471579d736298ff5b9feb555a6cb557e1576796620eb20872
sha512 ae5b7ae3b025b0e9b3829da5936bfbb312dee432f7a4ab255a5c96d7518daf06d4c932455922bafd676a2993ccde5bedbd2e58ad192c3c26395cd9c0985b5b92
ripemd-160 a0254a87b90d20975bdc18ef2ae3794b96dbe80b

15491640 as geometric shapes

Circle

Radius = n
Diameter 30983280
Circumference 97336844.832116
Area 7.539536794375E+14

Sphere

Radius = n
Volume 1.5573305304695E+22
Surface area 3.01581471775E+15
Circumference 97336844.832116

Square

Length = n
Perimeter 61966560
Area 239990909889600
Diagonal 21908487.391402

Cube

Length = n
Surface area 1439945459337600
Volume 3.7178527792821E+21
Space diagonal 26832307.572566

Equilateral Triangle

Length = n
Perimeter 46474920
Area 1.0391911232087E+14
Altitude 13416153.786283

Triangular Pyramid

Length = n
Surface area 1.0391911232087E+14
Volume 4.3815315194727E+20
Height 7302829.1304672