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

20113981 (number)

20113981 is an odd 8-digits composite number following 20113980 and preceding 20113982. In scientific notation, it is written as 2.0113981 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19521600 positive integers (up to 20113981) that are relatively prime to 20113981.

Interesting facts

20113981 has 8 divisors, whose sum is 20712384
The reverse of 20113981 is 18931102
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0113981 × 10^7
Engineering notation	2.0113981 × 10^6

Prime Factorization of 20113981

Prime Factorization 43 × 167 × 2801

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20113981	Product of the distinct prime numbers

The prime factorization of 20113981 is 43 × 167 × 2801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 27, 11, 253, 223, 5139, 779, 83285, 14044, 191775, 896694, 4982693, 4364714, 61431361, 70258826, 455096345, 221150130, 3958202932, 9877128813

Basic calculations (n = 20113981)

Multiplication

n×y

n×2	40227962
n×3	60341943
n×4	80455924
n×5	100569905

Division

n÷y

n÷2	10056990.5
n÷3	6704660.3333333
n÷3	5028495.25
n÷5	4022796.2

Exponentiation

n^y

n²	404572231668361
n³	8.137558180905E+21
n⁴	1.6367869063712E+29
n⁵	3.2922300735799E+36

Nth Root

^y√n

²√n	4484.8613133518
³√n	271.95643856168
⁴√n	66.969107156598
⁵√n	28.886811476769

Divisors of 20113981

1, 43, 167, 2801, 7181, 120443, 467767, 20113981

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	-20113980	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 20113981 can be divided by 8 positive divisors. The sum of these divisors (counting 20113981) is 1, the average is 0.125.

Base conversion 20113981

Base	System	Value
2	Binary	1001100101110101000111101
3	Ternary	1101211220012021
4	Quaternary	1030232220331
5	Quinary	20122121411
6	Senary	1555040141
8	Octal	114565075
10	Decimal	20113981
12	Duodecimal	68a0051
16	Hexadecimal	132ea3d
20	Vigesimal	65e4j1
36	Base36	bz41p

Cryptographic Hash Functions

md5	a468e3444a8f3b77bfe964465415fa67
sha1	2c3a06af7b4bb15c19fa5c27bb43a0780b08428c
sha256	30634d9399e4e05727b1f898e7db1dd572f72018e6658810b73789de422fd2f3
sha512	8627063d92af22922a98ad650215a804918d293224f1e81b8e561b8785dcef79da84214a98b10167318645e65b6a019a9300a25c39c1c84f7b7f075445b8a4f2
ripemd-160	9d6d7ad39579e571cbe18f82bb68d287dbd9c2d4

20113981 as geometric shapes

Circle

Radius = n

Diameter	40227962
Circumference	126379869.88809
Area	1.2710011508558E+15

Sphere

Radius = n

Volume	3.4086523999054E+22
Surface area	5.084004603423E+15
Circumference	126379869.88809

Square

Length = n

Perimeter	80455924
Area	404572231668361
Diagonal	28445464.723515

Cube

Length = n

Surface area	2427433390010166
Volume	8.137558180905E+21
Space diagonal	34838437.034475

Equilateral Triangle

Length = n

Perimeter	60341943
Area	1.7518491514528E+14
Altitude	17419218.517238

Triangular Pyramid

Length = n

Surface area	1.7518491514528E+14
Volume	9.5902042866967E+20
Height	9481821.5745049