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

20136981 (number)

20136981 is an odd 8-digits composite number following 20136980 and preceding 20136982. In scientific notation, it is written as 2.0136981 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13413600 positive integers (up to 20136981) that are relatively prime to 20136981.

Interesting facts

20136981 has 8 divisors, whose sum is 26871424
The reverse of 20136981 is 18963102
Previous prime number is 1801

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred thirty-six thousand nine hundred eighty-one

Notation

Scientific notation	2.0136981 × 10^7
Engineering notation	2.0136981 × 10^6

Prime Factorization of 20136981

Prime Factorization 3 × 1801 × 3727

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20136981	Product of the distinct prime numbers

The prime factorization of 20136981 is 3 × 1801 × 3727. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 96, 40, 603, 249, 5758, 9860, 78471, 99039, 183819, 92051, 6102655, 4270636, 93270937, 21108120, 544140676, 468463557, 6944370378, 8812390314

Basic calculations (n = 20136981)

Multiplication

n×y

n×2	40273962
n×3	60410943
n×4	80547924
n×5	100684905

Division

n÷y

n÷2	10068490.5
n÷3	6712327
n÷3	5034245.25
n÷5	4027396.2

Exponentiation

n^y

n²	405498003794361
n³	8.165505597945E+21
n⁴	1.6442863108121E+29
n⁵	3.3110962199384E+36

Nth Root

^y√n

²√n	4487.4247626005
³√n	272.060058285
⁴√n	66.988243465555
⁵√n	28.893414774064

Divisors of 20136981

1, 3, 1801, 3727, 5403, 11181, 6712327, 20136981

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	-20136980	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 20136981 can be divided by 8 positive divisors. The sum of these divisors (counting 20136981) is 1, the average is 0.125.

Base conversion 20136981

Base	System	Value
2	Binary	1001100110100010000010101
3	Ternary	1101220001202010
4	Quaternary	1030310100111
5	Quinary	20123340411
6	Senary	1555334433
8	Octal	114642025
10	Decimal	20136981
12	Duodecimal	68b1419
16	Hexadecimal	1334415
20	Vigesimal	65h291
36	Base36	bzlsl

Cryptographic Hash Functions

md5	30ea7e4f567810f74e596eeb5828e516
sha1	72f8a8e4709d1b409455e256c503441e0649992c
sha256	c714a085a5295812733b34f4f5df371c9d5ed1d18b4e06a1554a864677679ab8
sha512	1c23dec624578911b0acbd0dee70f82717cf287b14608be77e419b0565526aba5879caa98d95c1b04930a97808342b2c54163dc5bf88737d8ff723e918cfbce3
ripemd-160	fb0a17eedb188ea1e50063ded6c191ae4774abfb

20136981 as geometric shapes

Circle

Radius = n

Diameter	40273962
Circumference	126524383.15015
Area	1.2739095497657E+15

Sphere

Radius = n

Volume	3.42035898658E+22
Surface area	5.0956381990628E+15
Circumference	126524383.15015

Square

Length = n

Perimeter	80547924
Area	405498003794361
Diagonal	28477991.635449

Cube

Length = n

Surface area	2432988022766166
Volume	8.165505597945E+21
Space diagonal	34878274.203049

Equilateral Triangle

Length = n

Perimeter	60410943
Area	1.755857862349E+14
Altitude	17439137.101525

Triangular Pyramid

Length = n

Surface area	1.755857862349E+14
Volume	9.6231406335393E+20
Height	9492663.8784831