Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

15661990 (number)

15661990 is an even 8-digits composite number following 15661989 and preceding 15661991. In scientific notation, it is written as 1.5661990 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 6264792 positive integers (up to 15661990) that are relatively prime to 15661990.

Interesting facts

15661990 has 8 divisors, whose sum is 28191600
The reverse of 15661990 is 09916651
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	1.5661990 × 10^7
Engineering notation	1.5661990 × 10^6

Prime Factorization of 15661990

Prime Factorization 2 × 5 × 1566199

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	15661990	Product of the distinct prime numbers

The prime factorization of 15661990 is 2 × 5 × 1566199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 75, 94, 579, 99, 8602, 151, 39997, 6183, 540238, 482779, 7134278, 3971963, 54519402, 44455578, 644764292, 968765240, 9012280201, 3323154074

Basic calculations (n = 15661990)

Multiplication

n×y

n×2	31323980
n×3	46985970
n×4	62647960
n×5	78309950

Division

n÷y

n÷2	7830995
n÷3	5220663.3333333
n÷3	3915497.5
n÷5	3132398

Exponentiation

n^y

n²	245297930760100
n³	3.8418537385854E+21
n⁴	6.0171074835187E+28
n⁵	9.4239877235795E+35

Nth Root

^y√n

²√n	3957.5232153457
³√n	250.19712452683
⁴√n	62.908848466219
⁵√n	27.477004728023

Divisors of 15661990

1, 2, 5, 10, 1566199, 3132398, 7830995, 15661990

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	-15661989	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 15661990 can be divided by 8 positive divisors. The sum of these divisors (counting 15661990) is 1, the average is 0.125.

Base conversion 15661990

Base	System	Value
2	Binary	111011101111101110100110
3	Ternary	1002110201012201
4	Quaternary	323233232212
5	Quinary	13002140430
6	Senary	1315405114
8	Octal	73575646
10	Decimal	15661990
12	Duodecimal	52b379a
16	Hexadecimal	eefba6
20	Vigesimal	4hheja
36	Base36	9bova

Cryptographic Hash Functions

md5	6a5a67d8ed501c556414878340ac7ecc
sha1	c4637ef5445ee64d6575e53c1cc3d059b442d7e3
sha256	5cff60cd3d3eb90dc640a0a04f599c6db3b0330d0f7ae4b8f74a9a2cea417db1
sha512	f0b62fa2787c96bd30083315d190b00562076a88497818ec213f4886061afee217b6735c87fa87773297e370d3cf7da4fd1385ad36fe181d269e215a2c21ff0a
ripemd-160	cf2a0ac7c3518072394e835bb2ec40c4d74e5f7d

15661990 as geometric shapes

Circle

Radius = n

Diameter	31323980
Circumference	98407185.449194
Area	7.7062617721671E+14

Sphere

Radius = n

Volume	1.6092719308408E+22
Surface area	3.0825047088668E+15
Circumference	98407185.449194

Square

Length = n

Perimeter	62647960
Area	245297930760100
Diagonal	22149398.671752

Cube

Length = n

Surface area	1471787584560600
Volume	3.8418537385854E+21
Space diagonal	27127362.427636

Equilateral Triangle

Length = n

Perimeter	46985970
Area	1.06217119767E+14
Altitude	13563681.213818

Triangular Pyramid

Length = n

Surface area	1.06217119767E+14
Volume	4.5276680514677E+20
Height	7383132.8905839