15661640 (number)

15661640 is an even 8-digits composite number following 15661639 and preceding 15661641. In scientific notation, it is written as 1.5661640 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors. There are 6213312 positive integers (up to 15661640) that are relatively prime to 15661640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661640 × 10^7
Engineering notation 1.5661640 × 10^6

Prime Factorization of 15661640

Prime Factorization 2 × 2 × 2 × 5 × 127 × 3083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3915410
Product of the distinct prime numbers

The prime factorization of 15661640 is 2 × 2 × 2 × 5 × 127 × 3083. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 15, 4, 30, 9, 3340, 6518, 97736, 15971, 869980, 28170, 2933811, 6763905, 39136796, 58545750, 405499208, 704546861, 7004404867, 9388603454

Basic calculations (n = 15661640)

Multiplication

n×y
n×2 31323280
n×3 46984920
n×4 62646560
n×5 78308200

Division

n÷y
n÷2 7830820
n÷3 5220546.6666667
n÷3 3915410
n÷5 3132328

Exponentiation

ny
n2 245286967489600
n3 3.8415961815138E+21
n4 6.0165696420244E+28
n5 9.4229347768315E+35

Nth Root

y√n
2√n 3957.4789955223
3√n 250.19526078653
4√n 62.908497005749
5√n 27.47688192067

Divisors of 15661640

1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3083, 5080, 6166, 12332, 15415, 24664, 30830, 61660, 123320, 391541, 783082, 1566164, 1957705, 3132328, 3915410, 7830820, 15661640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661640 can be divided by 32 positive divisors. The sum of these divisors (counting 15661640) is 1, the average is 0.03125.

Base conversion 15661640

Base System Value
2 Binary 111011101111101001001000
3 Ternary 1002110200201202
4 Quaternary 323233221020
5 Quinary 13002133030
6 Senary 1315403332
8 Octal 73575110
10 Decimal 15661640
12 Duodecimal 52b3548
16 Hexadecimal eefa48
20 Vigesimal 4hhe20
36 Base36 9bolk

Cryptographic Hash Functions

md5 5c2c2c313e36d9008179cc0459ee2e0a
sha1 07ee5d6daa152fc4f446370ab0ffa0d688729be0
sha256 687df97004994efe1dfc05e135de36844c6f6c0e3305afa07065f6ee9f9461e8
sha512 166d3438dc9de0f59a41a86a3bec2e8a02206f52b27f6bdea4938f6ee5cbd996f81ad90e089bd92fb2c6e01e9f0e35740d38ea1c3f64d7f556074c71f3a7a130
ripemd-160 95483d8931351d406167f3809e2ecf3748c17a08

15661640 as geometric shapes

Circle

Radius = n
Diameter 31323280
Circumference 98404986.334336
Area 7.7059173508665E+14

Sphere

Radius = n
Volume 1.609164045587E+22
Surface area 3.0823669403466E+15
Circumference 98404986.334336

Square

Length = n
Perimeter 62646560
Area 245286967489600
Diagonal 22148903.697005

Cube

Length = n
Surface area 1471721804937600
Volume 3.8415961815138E+21
Space diagonal 27126756.209853

Equilateral Triangle

Length = n
Perimeter 46984920
Area 1.0621237253162E+14
Altitude 13563378.104927

Triangular Pyramid

Length = n
Surface area 1.0621237253162E+14
Volume 4.5273645175479E+20
Height 7382967.8990017