15661291 (number)

15661291 is an odd 8-digits prime number following 15661290 and preceding 15661292. In scientific notation, it is written as 1.5661291 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 15661290 positive integers (up to 15661291) that are relatively prime to 15661291.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661291 × 10^7
Engineering notation 1.5661291 × 10^6

Prime Factorization of 15661291

Prime Factorization 15661291

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15661291
Product of the distinct prime numbers

The prime factorization of 15661291 is 15661291. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15661291)

Multiplication

n×y
n×2 31322582
n×3 46983873
n×4 62645164
n×5 78306455

Division

n÷y
n÷2 7830645.5
n÷3 5220430.3333333
n÷3 3915322.75
n÷5 3132258.2

Exponentiation

ny
n2 245276035786681
n3 3.8413393717816E+21
n4 6.0160333731229E+28
n5 9.421884932219E+35

Nth Root

y√n
2√n 3957.4349015492
3√n 250.19340234355
4√n 62.908146543586
5√n 27.47675946201

Divisors of 15661291

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15661292
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7830646
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3957.4350278937
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998722966
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661291 can be divided by 2 positive divisors. The sum of these divisors (counting 15661291) is 15661292, the average is 7830646.

Base conversion 15661291

Base System Value
2 Binary 111011101111100011101011
3 Ternary 1002110200020211
4 Quaternary 323233203223
5 Quinary 13002130131
6 Senary 1315401551
8 Octal 73574353
10 Decimal 15661291
12 Duodecimal 52b32b7
16 Hexadecimal eef8eb
20 Vigesimal 4hhd4b
36 Base36 9bobv

Cryptographic Hash Functions

md5 a090912b4bcc121e2e2f425d375560ef
sha1 3927f7372ce4229fae9d05f0559d74bb351e45e3
sha256 1ee95a7cec812d85827dde528a1cf5a6a606f77f0c6d87fae1621fb1f19d3e68
sha512 073bb2840f792f14575306b004337c6684ae961d8e5afcc9bd3144d12595b051343eec30baf5589566422d13e57a637ed650f315722faf5a5d51029feb648263
ripemd-160 2660b50b2326cbfed9951979a9f987e8cfd3d746

15661291 as geometric shapes

Circle

Radius = n
Diameter 31322582
Circumference 98402793.502664
Area 7.7055739212906E+14

Sphere

Radius = n
Volume 1.6090564733779E+22
Surface area 3.0822295685163E+15
Circumference 98402793.502664

Square

Length = n
Perimeter 62645164
Area 245276035786681
Diagonal 22148410.136472

Cube

Length = n
Surface area 1471656214720086
Volume 3.8413393717816E+21
Space diagonal 27126151.724121

Equilateral Triangle

Length = n
Perimeter 46983873
Area 1.062076389654E+14
Altitude 13563075.862061

Triangular Pyramid

Length = n
Surface area 1.062076389654E+14
Volume 4.5270618643761E+20
Height 7382803.3788239