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

20209891 (number)

20209891 is an odd 8-digits composite number following 20209890 and preceding 20209892. In scientific notation, it is written as 2.0209891 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18506880 positive integers (up to 20209891) that are relatively prime to 20209891.

Interesting facts

20209891 has 8 divisors, whose sum is 21937664
The reverse of 20209891 is 19890202
Previous prime number is 127

Basic properties

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

Name

Name	twenty million two hundred nine thousand eight hundred ninety-one

Notation

Scientific notation	2.0209891 × 10^7
Engineering notation	2.0209891 × 10^6

Prime Factorization of 20209891

Prime Factorization 13 × 127 × 12241

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20209891	Product of the distinct prime numbers

The prime factorization of 20209891 is 13 × 127 × 12241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 1, 91, 87, 908, 8573, 4517, 91976, 35892, 996717, 101921, 7831948, 5482297, 94252670, 1017422, 314560160, 599538244, 688118147, 9389355443

Basic calculations (n = 20209891)

Multiplication

n×y

n×2	40419782
n×3	60629673
n×4	80839564
n×5	101049455

Division

n÷y

n÷2	10104945.5
n÷3	6736630.3333333
n÷3	5052472.75
n÷5	4041978.2

Exponentiation

n^y

n²	408439694231881
n³	8.2545217004996E+21
n⁴	1.6682298382423E+29
n⁵	3.3714743193825E+36

Nth Root

^y√n

²√n	4495.541235491
³√n	272.38801222758
⁴√n	67.04879742017
⁵√n	28.914307424329

Divisors of 20209891

1, 13, 127, 1651, 12241, 159133, 1554607, 20209891

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	-20209890	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 20209891 can be divided by 8 positive divisors. The sum of these divisors (counting 20209891) is 1, the average is 0.125.

Base conversion 20209891

Base	System	Value
2	Binary	1001101000110000011100011
3	Ternary	1102000202202111
4	Quaternary	1031012003203
5	Quinary	20133204031
6	Senary	2001100151
8	Octal	115060343
10	Decimal	20209891
12	Duodecimal	6927657
16	Hexadecimal	13460e3
20	Vigesimal	6664eb
36	Base36	c161v

Cryptographic Hash Functions

md5	12fca2e4fb87b6e0717767315d95bfd0
sha1	f9195c7c9ac62893c6297c4bfac769ecf320b124
sha256	5bf028fdd449dc105351947df40cbc3966cab70b9c15a2fcc69fe688d1f8f65a
sha512	2cfaf085e0bef0e799fb24239abaa16fba63085be77916a14e09f114cadb2704bbc3931c5eaa28c1c44ad4e4709401f6befc51dbd8798a044818085507a78962
ripemd-160	8eec73aff16dc7284a5ead4e414f6331e4d86bee

20209891 as geometric shapes

Circle

Radius = n

Diameter	40419782
Circumference	126982490.1909
Area	1.2831511428333E+15

Sphere

Radius = n

Volume	3.457645964425E+22
Surface area	5.1326045713334E+15
Circumference	126982490.1909

Square

Length = n

Perimeter	80839564
Area	408439694231881
Diagonal	28581101.946282

Cube

Length = n

Surface area	2450638165391286
Volume	8.2545217004996E+21
Space diagonal	35004558.027429

Equilateral Triangle

Length = n

Perimeter	60629673
Area	1.7685957555938E+14
Altitude	17502279.013714

Triangular Pyramid

Length = n

Surface area	1.7685957555938E+14
Volume	9.728047116458E+20
Height	9527033.982094