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

20921139 (number)

20921139 is an odd 8-digits composite number following 20921138 and preceding 20921140. In scientific notation, it is written as 2.0921139 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 8 positive divisors. There are 13947408 positive integers (up to 20921139) that are relatively prime to 20921139.

Interesting facts

20921139 has 8 divisors, whose sum is 30994320
The reverse of 20921139 is 93112902
Previous prime number is 3

Basic properties

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

Name

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

Notation

Scientific notation	2.0921139 × 10^7
Engineering notation	2.0921139 × 10^6

Prime Factorization of 20921139

Prime Factorization 3 × 3 × 3 × 774857

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2324571	Product of the distinct prime numbers

The prime factorization of 20921139 is 3 × 3 × 3 × 774857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 48, 77, 286, 915, 724, 9812, 38594, 52490, 94124, 513516, 6182013, 8616220, 76453942, 13104770, 184838517, 383224782, 382055995, 831553770

Basic calculations (n = 20921139)

Multiplication

n×y

n×2	41842278
n×3	62763417
n×4	83684556
n×5	104605695

Division

n÷y

n÷2	10460569.5
n÷3	6973713
n÷3	5230284.75
n÷5	4184227.8

Exponentiation

n^y

n²	437694057057321
n³	9.1570582071701E+21
n⁴	1.915760875833E+29
n⁵	4.0079899574063E+36

Nth Root

^y√n

²√n	4573.9631611984
³√n	275.54663281775
⁴√n	67.631081325071
⁵√n	29.115018137138

Divisors of 20921139

1, 3, 9, 27, 774857, 2324571, 6973713, 20921139

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	-20921138	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 20921139 can be divided by 8 positive divisors. The sum of these divisors (counting 20921139) is 1, the average is 0.125.

Base conversion 20921139

Base	System	Value
2	Binary	1001111110011101100110011
3	Ternary	1110100220102000
4	Quaternary	1033303230303
5	Quinary	20323434024
6	Senary	2024225043
8	Octal	117635463
10	Decimal	20921139
12	Duodecimal	700b183
16	Hexadecimal	13f3b33
20	Vigesimal	6af2gj
36	Base36	cgeur

Cryptographic Hash Functions

md5	44eae6a9171ea3d26d4141a1da684466
sha1	88e8091216a9c549c43d1134599661df98980d0a
sha256	c6a7bdce10ec44eb6befaf4ca47f7359c398b534e7d1147377c63c6f0f2eddce
sha512	5f18ac064bcbb25746be8e9019684f4c4b5ed5297862b16e7aa257f444fc468043c2f51de6686d8f578316901c93959e397260c089e279cd836077e8b2aef69e
ripemd-160	efebcbfd975fcae21a8dcc38c720caf4041047d5

20921139 as geometric shapes

Circle

Radius = n

Diameter	41842278
Circumference	131451393.17426
Area	1.3750564341712E+15

Sphere

Radius = n

Volume	3.8356995722853E+22
Surface area	5.5002257366848E+15
Circumference	131451393.17426

Square

Length = n

Perimeter	83684556
Area	437694057057321
Diagonal	29586958.514093

Cube

Length = n

Surface area	2626164342343926
Volume	9.1570582071701E+21
Space diagonal	36236475.700211

Equilateral Triangle

Length = n

Perimeter	62763417
Area	1.8952708624856E+14
Altitude	18118237.850105

Triangular Pyramid

Length = n

Surface area	1.8952708624856E+14
Volume	1.0791696590017E+21
Height	9862319.5046976