15985890 (number)

15985890 is an even 8-digits composite number following 15985889 and preceding 15985891. In scientific notation, it is written as 1.5985890 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 4262832 positive integers (up to 15985890) that are relatively prime to 15985890.

Interesting facts

Basic properties

Name

Name fifteen million nine hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 1.5985890 × 10^7
Engineering notation 1.5985890 × 10^6

Prime Factorization of 15985890

Prime Factorization 2 × 15 × 3 × 3 × 59207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5328630
Product of the distinct prime numbers

The prime factorization of 15985890 is 2 × 15 × 3 × 3 × 59207. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 89, 13, 899, 74, 2562, 9977, 33833, 77082, 754327, 774751, 3117838, 4575643, 74307201, 52866779, 888379290, 152637096, 1172976675, 1050489806

Basic calculations (n = 15985890)

Multiplication

n×y
n×2 31971780
n×3 47957670
n×4 63943560
n×5 79929450

Division

n÷y
n÷2 7992945
n÷3 5328630
n÷3 3996472.5
n÷5 3197178

Exponentiation

ny
n2 255548679092100
n3 4.0851730736116E+21
n4 6.5305127385717E+28
n5 1.0439605828241E+36

Nth Root

y√n
2√n 3998.2358609767
3√n 251.91011533557
4√n 63.231604921722
5√n 27.589724515102

Divisors of 15985890

1, 2, 3, 6, 9, 15, 18, 30, 45, 90, 135, 270, 59207, 118414, 177621, 355242, 532863, 888105, 1065726, 1776210, 2664315, 5328630, 7992945, 15985890

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 -15985889
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 15985890 can be divided by 24 positive divisors. The sum of these divisors (counting 15985890) is 1, the average is 0.041666666666667.

Base conversion 15985890

Base System Value
2 Binary 111100111110110011100010
3 Ternary 1010002011112000
4 Quaternary 330332303202
5 Quinary 13043022030
6 Senary 1330344430
8 Octal 74766342
10 Decimal 15985890
12 Duodecimal 542b116
16 Hexadecimal f3ece2
20 Vigesimal 4ji4ea
36 Base36 9imsi

Cryptographic Hash Functions

md5 bb46c9ddf255e1e986fbadfe47f01e6b
sha1 46715eb78f5f0a9bfe5fcc819f674f6bb08c71be
sha256 eb5e712249b0964d273d2a01c98c05e881a57e409ac25720e11440e657c84617
sha512 028b8ce3a737aed42aed462696a97abab1e4d197a6cb4065dfb5bea5cdd9b05af0e843122b17b71089dbd24965d6db77db990b5f0236b3a22d3c9867096c9c0d
ripemd-160 5e5da036af450202220379ae758474e753951765

15985890 as geometric shapes

Circle

Radius = n
Diameter 31971780
Circumference 100442309.17019
Area 8.0282985287032E+14

Sphere

Radius = n
Volume 1.7111932955601E+22
Surface area 3.2113194114813E+15
Circumference 100442309.17019

Square

Length = n
Perimeter 63943560
Area 255548679092100
Diagonal 22607462.444604

Cube

Length = n
Surface area 1533292074552600
Volume 4.0851730736116E+21
Space diagonal 27688373.684207

Equilateral Triangle

Length = n
Perimeter 47957670
Area 1.1065582399866E+14
Altitude 13844186.842104

Triangular Pyramid

Length = n
Surface area 1.1065582399866E+14
Volume 4.8144226377858E+20
Height 7535820.8148681