15661261 (number)

15661261 is an odd 8-digits composite number following 15661260 and preceding 15661262. In scientific notation, it is written as 1.5661261 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 12203520 positive integers (up to 15661261) that are relatively prime to 15661261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661261 × 10^7
Engineering notation 1.5661261 × 10^6

Prime Factorization of 15661261

Prime Factorization 7 × 11 × 203393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15661261
Product of the distinct prime numbers

The prime factorization of 15661261 is 7 × 11 × 203393. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661261)

Multiplication

n×y
n×2 31322522
n×3 46983783
n×4 62645044
n×5 78306305

Division

n÷y
n÷2 7830630.5
n÷3 5220420.3333333
n÷3 3915315.25
n÷5 3132252.2

Exponentiation

ny
n2 245275096110121
n3 3.8413172969807E+21
n4 6.0159872771829E+28
n5 9.4217946920641E+35

Nth Root

y√n
2√n 3957.4311112134
3√n 250.19324259072
4√n 62.908116417625
5√n 27.476748935376

Divisors of 15661261

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661260
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661261 can be divided by 8 positive divisors. The sum of these divisors (counting 15661261) is 1, the average is 0.125.

Base conversion 15661261

Base System Value
2 Binary 111011101111100011001101
3 Ternary 1002110200012201
4 Quaternary 323233203031
5 Quinary 13002130021
6 Senary 1315401501
8 Octal 73574315
10 Decimal 15661261
12 Duodecimal 52b3291
16 Hexadecimal eef8cd
20 Vigesimal 4hhd31
36 Base36 9bob1

Cryptographic Hash Functions

md5 dec0c349f33579a04b704b2e0eed4d50
sha1 fa31f32abee95610dc225dbc2246c3ec0476f821
sha256 01476810335d6f03c428e0005ac69239119f6c79b9a0491e4a457091d2a20f1d
sha512 49bf1ebf9183e5634214624ad7837b93176c6aff330d413cc8ebc295dfc003302a0d42b667f59cb3a65039c9eab5675469eedd62200f111e6aa57a45b9e76bd5
ripemd-160 d4f315d86728a7d3735a4494fc566e6f0f6788df

15661261 as geometric shapes

Circle

Radius = n
Diameter 31322522
Circumference 98402605.007105
Area 7.7055444004809E+14

Sphere

Radius = n
Volume 1.6090472267069E+22
Surface area 3.0822177601923E+15
Circumference 98402605.007105

Square

Length = n
Perimeter 62645044
Area 245275096110121
Diagonal 22148367.710065

Cube

Length = n
Surface area 1471650576660726
Volume 3.8413172969807E+21
Space diagonal 27126099.762597

Equilateral Triangle

Length = n
Perimeter 46983783
Area 1.0620723207352E+14
Altitude 13563049.881298

Triangular Pyramid

Length = n
Surface area 1.0620723207352E+14
Volume 4.5270358489737E+20
Height 7382789.2366883