15661216 (number)

15661216 is an even 8-digits composite number following 15661215 and preceding 15661217. In scientific notation, it is written as 1.5661216 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 7369728 positive integers (up to 15661216) that are relatively prime to 15661216.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand two hundred sixteen

Notation

Scientific notation 1.5661216 × 10^7
Engineering notation 1.5661216 × 10^6

Prime Factorization of 15661216

Prime Factorization 2 × 2 × 2 × 2 × 2 × 17 × 28789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 978826
Product of the distinct prime numbers

The prime factorization of 15661216 is 2 × 2 × 2 × 2 × 2 × 17 × 28789. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 3, 57, 4, 447, 565, 1965, 4902, 79085, 34833, 386040, 347396, 726198, 4286827, 22246629, 99066588, 368149904, 449240132, 7463907945, 9882398980

Basic calculations (n = 15661216)

Multiplication

n×y
n×2 31322432
n×3 46983648
n×4 62644864
n×5 78306080

Division

n÷y
n÷2 7830608
n÷3 5220405.3333333
n÷3 3915304
n÷5 3132243.2

Exponentiation

ny
n2 245273686598656
n3 3.8412841849379E+21
n4 6.0159181337696E+28
n5 9.4216593331282E+35

Nth Root

y√n
2√n 3957.4254257029
3√n 250.19300296108
4√n 62.908071228603
5√n 27.476733145394

Divisors of 15661216

1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 28789, 57578, 115156, 230312, 460624, 489413, 921248, 978826, 1957652, 3915304, 7830608, 15661216

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661216 can be divided by 24 positive divisors. The sum of these divisors (counting 15661216) is 1, the average is 0.041666666666667.

Base conversion 15661216

Base System Value
2 Binary 111011101111100010100000
3 Ternary 1002110200011001
4 Quaternary 323233202200
5 Quinary 13002124331
6 Senary 1315401344
8 Octal 73574240
10 Decimal 15661216
12 Duodecimal 52b3254
16 Hexadecimal eef8a0
20 Vigesimal 4hhd0g
36 Base36 9bo9s

Cryptographic Hash Functions

md5 b055cda97a1e5e259465488270571f77
sha1 609fb6fa1256e2d02327471c834a6dc14230169b
sha256 4d64941263ae44049a35d14315b5238ac2e37f55f886c39c9f98b0cf0ff2a84b
sha512 8a3495f2871e67dc04e32f83a8694b909aebcff47d2cb7d038c32949e2466d4bdec364bf6f323c5779ff17e85562a7c2d18cd2e42d3306175c3a9ab8e2a0b69f
ripemd-160 b621895aa0cf601c988ffa20725cf85951db16f5

15661216 as geometric shapes

Circle

Radius = n
Diameter 31322432
Circumference 98402322.263766
Area 7.7055001193722E+14

Sphere

Radius = n
Volume 1.6090333567669E+22
Surface area 3.0822000477489E+15
Circumference 98402322.263766

Square

Length = n
Perimeter 62644864
Area 245273686598656
Diagonal 22148304.070455

Cube

Length = n
Surface area 1471642119591936
Volume 3.8412841849379E+21
Space diagonal 27126021.820311

Equilateral Triangle

Length = n
Perimeter 46983648
Area 1.0620662173715E+14
Altitude 13563010.910155

Triangular Pyramid

Length = n
Surface area 1.0620662173715E+14
Volume 4.526996826057E+20
Height 7382768.0234848