15661220 (number)

15661220 is an even 8-digits composite number following 15661219 and preceding 15661221. In scientific notation, it is written as 1.5661220 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 6240096 positive integers (up to 15661220) that are relatively prime to 15661220.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661220 × 10^7
Engineering notation 1.5661220 × 10^6

Prime Factorization of 15661220

Prime Factorization 2 × 2 × 5 × 283 × 2767

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7830610
Product of the distinct prime numbers

The prime factorization of 15661220 is 2 × 2 × 5 × 283 × 2767. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 93, 13, 895, 401, 7910, 2457, 74579, 91543, 607525, 597773, 9611858, 3771090, 96510377, 21949817, 814684008, 4338146, 8836820159, 9174203502

Basic calculations (n = 15661220)

Multiplication

n×y
n×2 31322440
n×3 46983660
n×4 62644880
n×5 78306100

Division

n÷y
n÷2 7830610
n÷3 5220406.6666667
n÷3 3915305
n÷5 3132244

Exponentiation

ny
n2 245273811888400
n3 3.8412871282228E+21
n4 6.0159242798266E+28
n5 9.4216713649706E+35

Nth Root

y√n
2√n 3957.425931082
3√n 250.19302426152
4√n 62.908075245408
5√n 27.476734548949

Divisors of 15661220

1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2767, 2830, 5534, 5660, 11068, 13835, 27670, 55340, 783061, 1566122, 3132244, 3915305, 7830610, 15661220

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 -15661219
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 15661220 can be divided by 24 positive divisors. The sum of these divisors (counting 15661220) is 1, the average is 0.041666666666667.

Base conversion 15661220

Base System Value
2 Binary 111011101111100010100100
3 Ternary 1002110200011012
4 Quaternary 323233202210
5 Quinary 13002124340
6 Senary 1315401352
8 Octal 73574244
10 Decimal 15661220
12 Duodecimal 52b3258
16 Hexadecimal eef8a4
20 Vigesimal 4hhd10
36 Base36 9bo9w

Cryptographic Hash Functions

md5 f5895c7cb7fadef3e5e087f9ae794f7d
sha1 6ad2b66d439ef8d5bc32a01c130b1bf500274838
sha256 89b76263c02ee8c4089f5d59aa55241ca043719548e75eee195e0b5bb0316e0e
sha512 797dee84e9bb01c90b82fd6ec9459485ca4d5a096ed0932161f3e356e820fa61ea636cb01778c55b66bd089d782de0190642748ff363985f59e6ef4dae69d7b4
ripemd-160 482f7e835b9e0c945dbf2fa13420a1a855fa8c79

15661220 as geometric shapes

Circle

Radius = n
Diameter 31322440
Circumference 98402347.396507
Area 7.7055040554656E+14

Sphere

Radius = n
Volume 1.6090345896472E+22
Surface area 3.0822016221862E+15
Circumference 98402347.396507

Square

Length = n
Perimeter 62644880
Area 245273811888400
Diagonal 22148309.727309

Cube

Length = n
Surface area 1471642871330400
Volume 3.8412871282228E+21
Space diagonal 27126028.748514

Equilateral Triangle

Length = n
Perimeter 46983660
Area 1.062066759892E+14
Altitude 13563014.374257

Triangular Pyramid

Length = n
Surface area 1.062066759892E+14
Volume 4.5270002947516E+20
Height 7382769.9091029