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

20187661 (number)

20187661 is an odd 8-digits composite number following 20187660 and preceding 20187662. In scientific notation, it is written as 2.0187661 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18604080 positive integers (up to 20187661) that are relatively prime to 20187661.

Interesting facts

20187661 has 8 divisors, whose sum is 21776384
The reverse of 20187661 is 16678102
Previous prime number is 991

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred eighty-seven thousand six hundred sixty-one

Notation

Scientific notation	2.0187661 × 10^7
Engineering notation	2.0187661 × 10^6

Prime Factorization of 20187661

Prime Factorization 13 × 991 × 1567

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20187661	Product of the distinct prime numbers

The prime factorization of 20187661 is 13 × 991 × 1567. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 17, 79, 307, 774, 4064, 9780, 34735, 49618, 361404, 803629, 7444844, 7387170, 13619465, 64617704, 537154464, 521132713, 4451902994, 9093894857

Basic calculations (n = 20187661)

Multiplication

n×y

n×2	40375322
n×3	60562983
n×4	80750644
n×5	100938305

Division

n÷y

n÷2	10093830.5
n÷3	6729220.3333333
n÷3	5046915.25
n÷5	4037532.2

Exponentiation

n^y

n²	407541656650921
n³	8.2273128078472E+21
n⁴	1.6609020190578E+29
n⁵	3.3529726914954E+36

Nth Root

^y√n

²√n	4493.0681054264
³√n	272.28810393653
⁴√n	67.03035212071
⁵√n	28.907943727996

Divisors of 20187661

1, 13, 991, 1567, 12883, 20371, 1552897, 20187661

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	-20187660	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 20187661 can be divided by 8 positive divisors. The sum of these divisors (counting 20187661) is 1, the average is 0.125.

Base conversion 20187661

Base	System	Value
2	Binary	1001101000000101000001101
3	Ternary	1101222122021011
4	Quaternary	1031000220031
5	Quinary	20132001121
6	Senary	2000405221
8	Octal	115005015
10	Decimal	20187661
12	Duodecimal	6916811
16	Hexadecimal	1340a0d
20	Vigesimal	663931
36	Base36	c0owd

Cryptographic Hash Functions

md5	56103b01cf4c12926c79b6839a3b24bd
sha1	90c2c9184c59084ae19b2d5be41521db458cde50
sha256	50e0736d2a1e2a133e3a8c1f0e19dffe1a6a24924b4c6642b321fc5f265fe006
sha512	4694be98099e3af60691d35329f3bf3d318ab0471a5de7498cff62237f589a95d73316b5e6572aad8032648d3a9e8d4cef81d61ea7fa46d3ba45424893943d17
ripemd-160	7db063283ffd58085b2baa32b774d43828a5093e

20187661 as geometric shapes

Circle

Radius = n

Diameter	40375322
Circumference	126842814.98152
Area	1.2803298745663E+15

Sphere

Radius = n

Volume	3.4462487301224E+22
Surface area	5.1213194982654E+15
Circumference	126842814.98152

Square

Length = n

Perimeter	80750644
Area	407541656650921
Diagonal	28549663.97879

Cube

Length = n

Surface area	2445249939905526
Volume	8.2273128078472E+21
Space diagonal	34966054.537977

Equilateral Triangle

Length = n

Perimeter	60562983
Area	1.7647071388005E+14
Altitude	17483027.268988

Triangular Pyramid

Length = n

Surface area	1.7647071388005E+14
Volume	9.6959811289528E+20
Height	9516554.6595968