15661290 (number)

15661290 is an even 8-digits composite number following 15661289 and preceding 15661291. In scientific notation, it is written as 1.5661290 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 4155840 positive integers (up to 15661290) that are relatively prime to 15661290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5661290 × 10^7
Engineering notation 1.5661290 × 10^6

Prime Factorization of 15661290

Prime Factorization 2 × 15 × 223 × 2341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15661290
Product of the distinct prime numbers

The prime factorization of 15661290 is 2 × 15 × 223 × 2341. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 48, 66, 266, 890, 2398, 1825, 64958, 51193, 958220, 881331, 3364857, 441402, 19828982, 84344013, 124032336, 141807556, 6214203971, 6991863863

Basic calculations (n = 15661290)

Multiplication

n×y
n×2 31322580
n×3 46983870
n×4 62645160
n×5 78306450

Division

n÷y
n÷2 7830645
n÷3 5220430
n÷3 3915322.5
n÷5 3132258

Exponentiation

ny
n2 245276004464100
n3 3.8413386359536E+21
n4 6.0160318365873E+28
n5 9.4218819242027E+35

Nth Root

y√n
2√n 3957.4347752048
3√n 250.19339701846
4√n 62.908145539388
5√n 27.476759111122

Divisors of 15661290

1, 2, 15, 30, 223, 446, 2341, 3345, 4682, 6690, 35115, 70230, 522043, 1044086, 7830645, 15661290

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15661289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15661290 can be divided by 16 positive divisors. The sum of these divisors (counting 15661290) is 1, the average is 0.0625.

Base conversion 15661290

Base System Value
2 Binary 111011101111100011101010
3 Ternary 1002110200020210
4 Quaternary 323233203222
5 Quinary 13002130130
6 Senary 1315401550
8 Octal 73574352
10 Decimal 15661290
12 Duodecimal 52b32b6
16 Hexadecimal eef8ea
20 Vigesimal 4hhd4a
36 Base36 9bobu

Cryptographic Hash Functions

md5 c16e363b32c87b471bff5e1419fce0d4
sha1 cc90db68826175207a8a8abc28374d5cbfa552d8
sha256 53bd36b36cf3a36fa6ab817153d466b84ad03411a3274e3bf221cc1a5f603564
sha512 7b9efcbadcbbbf054df3f54a65b285f3a8cfff0ebd5651965e5d9cca90aec90da4b3dc9c2e7214050d3dd44dc835a3833eba9b960fac7f4aac049bb43561e046
ripemd-160 fcf235cc8b63745dc60c33632a83d436fe1a4419

15661290 as geometric shapes

Circle

Radius = n
Diameter 31322580
Circumference 98402787.219479
Area 7.7055729372627E+14

Sphere

Radius = n
Volume 1.609056165155E+22
Surface area 3.0822291749051E+15
Circumference 98402787.219479

Square

Length = n
Perimeter 62645160
Area 245276004464100
Diagonal 22148408.722258

Cube

Length = n
Surface area 1471656026784600
Volume 3.8413386359536E+21
Space diagonal 27126149.99207

Equilateral Triangle

Length = n
Perimeter 46983870
Area 1.0620762540233E+14
Altitude 13563074.996035

Triangular Pyramid

Length = n
Surface area 1.0620762540233E+14
Volume 4.5270609971944E+20
Height 7382802.9074194