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

20138921 (number)

20138921 is an odd 8-digits composite number following 20138920 and preceding 20138922. In scientific notation, it is written as 2.0138921 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 17881920 positive integers (up to 20138921) that are relatively prime to 20138921.

Interesting facts

20138921 has 8 divisors, whose sum is 22481184
The reverse of 20138921 is 12983102
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty million one hundred thirty-eight thousand nine hundred twenty-one

Notation

Scientific notation	2.0138921 × 10^7
Engineering notation	2.0138921 × 10^6

Prime Factorization of 20138921

Prime Factorization 11 × 43 × 42577

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138921	Product of the distinct prime numbers

The prime factorization of 20138921 is 11 × 43 × 42577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 95, 9, 766, 905, 1527, 2722, 37506, 69677, 496936, 645998, 919104, 65023, 34304489, 6687322, 276867293, 518618309, 5108249668, 3325550644

Basic calculations (n = 20138921)

Multiplication

n×y

n×2	40277842
n×3	60416763
n×4	80555684
n×5	100694605

Division

n÷y

n÷2	10069460.5
n÷3	6712973.6666667
n÷3	5034730.25
n÷5	4027784.2

Exponentiation

n^y

n²	405576139044241
n³	8.167865823697E+21
n⁴	1.6449200456203E+29
n⁵	3.3126914850064E+36

Nth Root

^y√n

²√n	4487.6409170075
³√n	272.06879477443
⁴√n	66.989856821817
⁵√n	28.893971471861

Divisors of 20138921

1, 11, 43, 473, 42577, 468347, 1830811, 20138921

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	-20138920	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 20138921 can be divided by 8 positive divisors. The sum of these divisors (counting 20138921) is 1, the average is 0.125.

Base conversion 20138921

Base	System	Value
2	Binary	1001100110100101110101001
3	Ternary	1101220011101222
4	Quaternary	1030310232221
5	Quinary	20123421141
6	Senary	1555351425
8	Octal	114645651
10	Decimal	20138921
12	Duodecimal	68b2575
16	Hexadecimal	1334ba9
20	Vigesimal	65h761
36	Base36	bznah

Cryptographic Hash Functions

md5	96a991a4d0be9bf374014ce9c1a9d105
sha1	28775dd633ee21b9f2067158efedf62e35ccec8d
sha256	d98f4957d66514ee6b95ee17918bfccbb1e9b9cfa271606fd32124a442c29ee8
sha512	7234c5156fb760f6063cbd6544217eca9d5ed4dd9664c7d375696360ba730d0c3a66346269dff8b0ca46060490ee70b2fb8cc9a1da3a0400a0674b43e99346f7
ripemd-160	88780a220bb7c50912bf5dd080ca23487376ff7b

20138921 as geometric shapes

Circle

Radius = n

Diameter	40277842
Circumference	126536572.52965
Area	1.2741550188927E+15

Sphere

Radius = n

Volume	3.4213476356311E+22
Surface area	5.0966200755708E+15
Circumference	126536572.52965

Square

Length = n

Perimeter	80555684
Area	405576139044241
Diagonal	28480735.20976

Cube

Length = n

Surface area	2433456834265446
Volume	8.167865823697E+21
Space diagonal	34881634.381616

Equilateral Triangle

Length = n

Perimeter	60416763
Area	1.7561961979056E+14
Altitude	17440817.190808

Triangular Pyramid

Length = n

Surface area	1.7561961979056E+14
Volume	9.6259221862633E+20
Height	9493578.4032534