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

20161989 (number)

20161989 is an odd 8-digits composite number following 20161988 and preceding 20161990. In scientific notation, it is written as 2.0161989 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 12977664 positive integers (up to 20161989) that are relatively prime to 20161989.

Interesting facts

20161989 has 8 divisors, whose sum is 23175000
The reverse of 20161989 is 98916102
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million one hundred sixty-one thousand nine hundred eighty-nine

Notation

Scientific notation	2.0161989 × 10^7
Engineering notation	2.0161989 × 10^6

Prime Factorization of 20161989

Prime Factorization 9 × 29 × 77249

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161989	Product of the distinct prime numbers

The prime factorization of 20161989 is 9 × 29 × 77249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 98, 89, 187, 403, 4282, 3849, 56343, 21714, 841008, 166096, 8481694, 7594649, 11402749, 24246845, 223193744, 629130720, 1162846272, 4606944222

Basic calculations (n = 20161989)

Multiplication

n×y

n×2	40323978
n×3	60485967
n×4	80647956
n×5	100809945

Division

n÷y

n÷2	10080994.5
n÷3	6720663
n÷3	5040497.25
n÷5	4032397.8

Exponentiation

n^y

n²	406505800436121
n³	8.1959654768293E+21
n⁴	1.6524696578821E+29
n⁵	3.3317075065053E+36

Nth Root

^y√n

²√n	4490.2103514201
³√n	272.17263496497
⁴√n	67.009031864519
⁵√n	28.900587724602

Divisors of 20161989

1, 9, 29, 261, 77249, 695241, 2240221, 20161989

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	-20161988	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 20161989 can be divided by 8 positive divisors. The sum of these divisors (counting 20161989) is 1, the average is 0.125.

Base conversion 20161989

Base	System	Value
2	Binary	1001100111010010111000101
3	Ternary	1101221100001100
4	Quaternary	1030322113011
5	Quinary	20130140424
6	Senary	2000050313
8	Octal	114722705
10	Decimal	20161989
12	Duodecimal	6903999
16	Hexadecimal	133a5c5
20	Vigesimal	6604j9
36	Base36	c0539

Cryptographic Hash Functions

md5	d61edc00e29566e2248d26f250e2e9a5
sha1	efeb66554d24f48783df5e2935ba35dc21ce7cc3
sha256	e51925aeef68a6bc3de922c5100834927fbb64d41b798f1d51fb26ed512d4a24
sha512	cdcdde1929253c3f2991f1af3646cfb993c3e16fdbb5420d0856905a62e1bcc9f7c8b79fda57d40914ac67970c45b06bdc2801ec28dff6a864de72a28c113b9e
ripemd-160	39c7a65e60ced553ff36bc037ae8a3909554541b

20161989 as geometric shapes

Circle

Radius = n

Diameter	40323978
Circumference	126681513.04832
Area	1.2770756362918E+15

Sphere

Radius = n

Volume	3.433117990811E+22
Surface area	5.108302545167E+15
Circumference	126681513.04832

Square

Length = n

Perimeter	80647956
Area	406505800436121
Diagonal	28513358.288217

Cube

Length = n

Surface area	2439034802616726
Volume	8.1959654768293E+21
Space diagonal	34921589.329645

Equilateral Triangle

Length = n

Perimeter	60485967
Area	1.760221749817E+14
Altitude	17460794.664822

Triangular Pyramid

Length = n

Surface area	1.760221749817E+14
Volume	9.6590379450614E+20
Height	9504452.7627391