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

20181481 (number)

20181481 is an odd 8-digits composite number following 20181480 and preceding 20181482. In scientific notation, it is written as 2.0181481 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19839364 positive integers (up to 20181481) that are relatively prime to 20181481.

Interesting facts

20181481 has 4 divisors, whose sum is 20523600
The reverse of 20181481 is 18418102
Previous prime number is 59

Basic properties

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

Name

Name	twenty million one hundred eighty-one thousand four hundred eighty-one

Notation

Scientific notation	2.0181481 × 10^7
Engineering notation	2.0181481 × 10^6

Prime Factorization of 20181481

Prime Factorization 59 × 342059

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181481	Product of the distinct prime numbers

The prime factorization of 20181481 is 59 × 342059. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 44, 66, 277, 794, 3357, 8288, 27681, 6486, 206826, 972752, 8851414, 1542283, 12029525, 41571998, 216497950, 379173009, 8435327428, 6484431011

Basic calculations (n = 20181481)

Multiplication

n×y

n×2	40362962
n×3	60544443
n×4	80725924
n×5	100907405

Division

n÷y

n÷2	10090740.5
n÷3	6727160.3333333
n÷3	5045370.25
n÷5	4036296.2

Exponentiation

n^y

n²	407292175353361
n³	8.2197592983425E+21
n⁴	1.6588691610407E+29
n⁵	3.3478436455029E+36

Nth Root

^y√n

²√n	4492.380326731
³√n	272.26031613383
⁴√n	67.025221571667
⁵√n	28.906173607403

Divisors of 20181481

1, 59, 342059, 20181481

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20181480	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181481 can be divided by 4 positive divisors. The sum of these divisors (counting 20181481) is 1, the average is 0.25.

Base conversion 20181481

Base	System	Value
2	Binary	1001100111111000111101001
3	Ternary	1101222022210021
4	Quaternary	1030333013221
5	Quinary	20131301411
6	Senary	2000320441
8	Octal	114770751
10	Decimal	20181481
12	Duodecimal	6913121
16	Hexadecimal	133f1e9
20	Vigesimal	662de1
36	Base36	c0k4p

Cryptographic Hash Functions

md5	8b6b6d31c54bfa74b9e00f33229be255
sha1	a5a27a2cf95b9b3fcba829d7c6c42bdce41e9ae6
sha256	c38862d2882e88fd5c5bb36ad08e3885509556dd9fc94ebf9e1c099c5d801ce9
sha512	d6873aa6579afd8a0002c235a129542c6b7f09361956427baae067e1db831595f94a61a176271682b57f8741c1819e08da4e2feee8a3cec904fc0a3026d783ff
ripemd-160	72c0e77552126d96906c14626b82d7301128d51b

20181481 as geometric shapes

Circle

Radius = n

Diameter	40362962
Circumference	126803984.89632
Area	1.2795461059547E+15

Sphere

Radius = n

Volume	3.4430847234599E+22
Surface area	5.1181844238189E+15
Circumference	126803984.89632

Square

Length = n

Perimeter	80725924
Area	407292175353361
Diagonal	28540924.138975

Cube

Length = n

Surface area	2443753052120166
Volume	8.2197592983425E+21
Space diagonal	34955350.463986

Equilateral Triangle

Length = n

Perimeter	60544443
Area	1.7636268530932E+14
Altitude	17477675.231993

Triangular Pyramid

Length = n

Surface area	1.7636268530932E+14
Volume	9.687079232632E+20
Height	9513641.3796583