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

20091681 (number)

20091681 is an odd 8-digits composite number following 20091680 and preceding 20091682. In scientific notation, it is written as 2.0091681 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13067520 positive integers (up to 20091681) that are relatively prime to 20091681.

Interesting facts

20091681 has 12 divisors, whose sum is 29729700
The reverse of 20091681 is 18619002
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million ninety-one thousand six hundred eighty-one

Notation

Scientific notation	2.0091681 × 10^7
Engineering notation	2.0091681 × 10^6

Prime Factorization of 20091681

Prime Factorization 3 × 3 × 41 × 54449

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6697227	Product of the distinct prime numbers

The prime factorization of 20091681 is 3 × 3 × 41 × 54449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 81, 10, 27, 47, 2721, 533, 27894, 5878, 179916, 84535, 2531950, 6894770, 61344728, 90303731, 618475490, 933425854, 4385206984, 3356256728

Basic calculations (n = 20091681)

Multiplication

n×y

n×2	40183362
n×3	60275043
n×4	80366724
n×5	100458405

Division

n÷y

n÷2	10045840.5
n÷3	6697227
n÷3	5022920.25
n÷5	4018336.2

Exponentiation

n^y

n²	403675645405761
n³	8.1105222949617E+21
n⁴	1.6295402669376E+29
n⁵	3.2740203219965E+36

Nth Root

^y√n

²√n	4482.3744823475
³√n	271.85589703273
⁴√n	66.950537580721
⁵√n	28.880403379232

Divisors of 20091681

1, 3, 9, 41, 123, 369, 54449, 163347, 490041, 2232409, 6697227, 20091681

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20091680	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20091681 can be divided by 12 positive divisors. The sum of these divisors (counting 20091681) is 1, the average is 0.083333333333333.

Base conversion 20091681

Base	System	Value
2	Binary	1001100101001001100100001
3	Ternary	1101210202121100
4	Quaternary	1030221030201
5	Quinary	20120413211
6	Senary	1554345013
8	Octal	114511441
10	Decimal	20091681
12	Duodecimal	688b169
16	Hexadecimal	1329321
20	Vigesimal	65b941
36	Base36	bymu9

Cryptographic Hash Functions

md5	c3b19c82fee75f50c8e1c1e53378c556
sha1	7547895a7c909c495ba1b3b1a8c95166764e83db
sha256	02afc959601d16ec0cda119a870c297dd323cfa90f0508a3fa8f91f2e4628d88
sha512	736cc8d52cd1218949fe3ef93876f0ed0a6b1450b7206c8f270c6a8519426f2deca696bf78d3d0c3cd3e532476f34637aa1f6ff072d6eafab9560d83ac851976
ripemd-160	677ba0de2b6db858fded254db6213d403245b6b4

20091681 as geometric shapes

Circle

Radius = n

Diameter	40183362
Circumference	126239754.85574
Area	1.2681844420399E+15

Sphere

Radius = n

Volume	3.3973276344837E+22
Surface area	5.0727377681594E+15
Circumference	126239754.85574

Square

Length = n

Perimeter	80366724
Area	403675645405761
Diagonal	28413927.761074

Cube

Length = n

Surface area	2422053872434566
Volume	8.1105222949617E+21
Space diagonal	34799812.301466

Equilateral Triangle

Length = n

Perimeter	60275043
Area	1.7479668190523E+14
Altitude	17399906.150733

Triangular Pyramid

Length = n

Surface area	1.7479668190523E+14
Volume	9.5583421895535E+20
Height	9471309.2536913