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

20921247 (number)

20921247 is an odd 8-digits composite number following 20921246 and preceding 20921248. In scientific notation, it is written as 2.0921247 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13860720 positive integers (up to 20921247) that are relatively prime to 20921247.

Interesting facts

20921247 has 8 divisors, whose sum is 23276400
The reverse of 20921247 is 74212902
Previous prime number is 1629

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 two hundred forty-seven

Notation

Scientific notation	2.0921247 × 10^7
Engineering notation	2.0921247 × 10^6

Prime Factorization of 20921247

Prime Factorization 9 × 1629 × 1427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20921247	Product of the distinct prime numbers

The prime factorization of 20921247 is 9 × 1629 × 1427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 44, 66, 41, 225, 54, 7666, 67029, 3587, 728778, 119809, 5657771, 3081798, 12274666, 78162286, 109761837, 735880993, 3815912913, 5899226439

Basic calculations (n = 20921247)

Multiplication

n×y

n×2	41842494
n×3	62763741
n×4	83684988
n×5	104606235

Division

n÷y

n÷2	10460623.5
n÷3	6973749
n÷3	5230311.75
n÷5	4184249.4

Exponentiation

n^y

n²	437698576035009
n³	9.1572000207767E+21
n⁴	1.9158004346307E+29
n⁵	4.0080934095617E+36

Nth Root

^y√n

²√n	4573.9749671374
³√n	275.54710696314
⁴√n	67.631168606919
⁵√n	29.115048196834

Divisors of 20921247

1, 9, 1427, 1629, 12843, 14661, 2324583, 20921247

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	-20921246	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 20921247 can be divided by 8 positive divisors. The sum of these divisors (counting 20921247) is 1, the average is 0.125.

Base conversion 20921247

Base	System	Value
2	Binary	1001111110011101110011111
3	Ternary	1110100220120000
4	Quaternary	1033303232133
5	Quinary	20323434442
6	Senary	2024225343
8	Octal	117635637
10	Decimal	20921247
12	Duodecimal	700b253
16	Hexadecimal	13f3b9f
20	Vigesimal	6af327
36	Base36	cgexr

Cryptographic Hash Functions

md5	d5689422772e1e149476df90888bc7f8
sha1	0efb4ded03aa1247e553c1a1a0c8e7b9e103ba2d
sha256	ea443cf9eef963ce0b3142e4d945ba2e1e8c009e4821ca7666868b94a4bedf23
sha512	ba3ef280458cc334c456ccf6c694dff2850ed832193082b5764f417f7c78bb4cc81999f85dc4811aa3e9fbf47d123a2ca21bd2ea7003cefc4ce9b70402a95f6d
ripemd-160	dc2857ae4d798fcbdf327deac0e1e8a6357a4681

20921247 as geometric shapes

Circle

Radius = n

Diameter	41842494
Circumference	131452071.75828
Area	1.3750706309583E+15

Sphere

Radius = n

Volume	3.8357589750299E+22
Surface area	5.5002825238332E+15
Circumference	131452071.75828

Square

Length = n

Perimeter	83684988
Area	437698576035009
Diagonal	29587111.249157

Cube

Length = n

Surface area	2626191456210054
Volume	9.1572000207767E+21
Space diagonal	36236662.761698

Equilateral Triangle

Length = n

Perimeter	62763741
Area	1.895290430233E+14
Altitude	18118331.380849

Triangular Pyramid

Length = n

Surface area	1.895290430233E+14
Volume	1.0791863718955E+21
Height	9862370.4163858