15661331 (number)

15661331 is an odd 8-digits composite number following 15661330 and preceding 15661332. In scientific notation, it is written as 1.5661331 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 13110048 positive integers (up to 15661331) that are relatively prime to 15661331.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-one thousand three hundred thirty-one

Notation

Scientific notation 1.5661331 × 10^7
Engineering notation 1.5661331 × 10^6

Prime Factorization of 15661331

Prime Factorization 7 × 7 × 43 × 7433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2237333
Product of the distinct prime numbers

The prime factorization of 15661331 is 7 × 7 × 43 × 7433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661331)

Multiplication

n×y
n×2 31322662
n×3 46983993
n×4 62645324
n×5 78306655

Division

n÷y
n÷2 7830665.5
n÷3 5220443.6666667
n÷3 3915332.75
n÷5 3132266.2

Exponentiation

ny
n2 245277288691561
n3 3.8413688049811E+21
n4 6.0160948347883E+28
n5 9.422005253501E+35

Nth Root

y√n
2√n 3957.4399553247
3√n 250.19361534701
4√n 62.908186711466
5√n 27.476773497497

Divisors of 15661331

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661330
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661331 can be divided by 12 positive divisors. The sum of these divisors (counting 15661331) is 1, the average is 0.083333333333333.

Base conversion 15661331

Base System Value
2 Binary 111011101111100100010011
3 Ternary 1002110200022022
4 Quaternary 323233210103
5 Quinary 13002130311
6 Senary 1315402055
8 Octal 73574423
10 Decimal 15661331
12 Duodecimal 52b332b
16 Hexadecimal eef913
20 Vigesimal 4hhd6b
36 Base36 9bocz

Cryptographic Hash Functions

md5 28dcb4dfa9d1a7079a49ea0c74bd361b
sha1 f86d5d444ef70a0b072fd9db5a31da827abe9199
sha256 b5f2a62991152f66d60a7f396851ee3cbc0b9e9688a19d6b69c31690a15cb9fe
sha512 38d14acaef13af901b274c00641626ca94ababc646674ddfe42482e781977dcd389e9ec37fc7733d1274c1483379d6f6eb73ec1e8228f8d96e265ac9175c5200
ripemd-160 7c447caa269baea0813b987a1ec2c313183aec5e

15661331 as geometric shapes

Circle

Radius = n
Diameter 31322662
Circumference 98403044.830076
Area 7.7056132824583E+14

Sphere

Radius = n
Volume 1.6090688023277E+22
Surface area 3.0822453129833E+15
Circumference 98403044.830076

Square

Length = n
Perimeter 62645324
Area 245277288691561
Diagonal 22148466.705014

Cube

Length = n
Surface area 1471663732149366
Volume 3.8413688049811E+21
Space diagonal 27126221.006153

Equilateral Triangle

Length = n
Perimeter 46983993
Area 1.0620818148913E+14
Altitude 13563110.503077

Triangular Pyramid

Length = n
Surface area 1.0620818148913E+14
Volume 4.5270965517343E+20
Height 7382822.2350047