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

21472281 (number)

21472281 is an odd 8-digits composite number following 21472280 and preceding 21472282. In scientific notation, it is written as 2.1472281 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14314848 positive integers (up to 21472281) that are relatively prime to 21472281.

Interesting facts

21472281 has 4 divisors, whose sum is 23858100
The reverse of 21472281 is 18227412
Previous prime number is 9

Basic properties

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

Name

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

Notation

Scientific notation	2.1472281 × 10^7
Engineering notation	2.1472281 × 10^6

Prime Factorization of 21472281

Prime Factorization 9 × 2385809

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21472281	Product of the distinct prime numbers

The prime factorization of 21472281 is 9 × 2385809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 11, 18, 527, 628, 2975, 6045, 37875, 85291, 944874, 257277, 8534990, 5378320, 44226910, 93302974, 58489408, 835806604, 9985371570, 5100018211

Basic calculations (n = 21472281)

Multiplication

n×y

n×2	42944562
n×3	64416843
n×4	85889124
n×5	107361405

Division

n÷y

n÷2	10736140.5
n÷3	7157427
n÷3	5368070.25
n÷5	4294456.2

Exponentiation

n^y

n²	461058851342961
n³	9.8999852135733E+21
n⁴	2.1257526440169E+29
n⁵	4.5644758108824E+36

Nth Root

^y√n

²√n	4633.8192670841
³√n	277.94533800971
⁴√n	68.07216220368
⁵√n	29.266826730097

Divisors of 21472281

1, 9, 2385809, 21472281

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	-21472280	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 21472281 can be divided by 4 positive divisors. The sum of these divisors (counting 21472281) is 1, the average is 0.25.

Base conversion 21472281

Base	System	Value
2	Binary	1010001111010010000011001
3	Ternary	1111101220102200
4	Quaternary	1101322100121
5	Quinary	20444103111
6	Senary	2044120413
8	Octal	121722031
10	Decimal	21472281
12	Duodecimal	7236109
16	Hexadecimal	147a419
20	Vigesimal	6e40e1
36	Base36	cs849

Cryptographic Hash Functions

md5	8b601c881a4dac0edf7e64db6c0cbd85
sha1	c565e93fc191174ae33cd3aa173e67d85b6a8e03
sha256	f0a295bb4d6159c7d3725b1239fea59e90769097a5878397c45edb2da824db13
sha512	a87ee895c4b025421f42f6639bd9baf127da8ec430fa423cdf82ba9ff3c9960a442f2ed4b08dd10b6442f270c2bbfc9a652351cfe90eb45c4b780c406b783c4c
ripemd-160	f8b15550decb95e50ca96f44a7f2a12cb85e6c70

21472281 as geometric shapes

Circle

Radius = n

Diameter	42944562
Circumference	134914320.49083
Area	1.4484591002516E+15

Sphere

Radius = n

Volume	4.1468961090146E+22
Surface area	5.7938364010064E+15
Circumference	134914320.49083

Square

Length = n

Perimeter	85889124
Area	461058851342961
Diagonal	30366391.005286

Cube

Length = n

Surface area	2766353108057766
Volume	9.8999852135733E+21
Space diagonal	37191081.646396

Equilateral Triangle

Length = n

Perimeter	64416843
Area	1.9964433895134E+14
Altitude	18595540.823198

Triangular Pyramid

Length = n

Surface area	1.9964433895134E+14
Volume	1.1667244463607E+21
Height	10122130.335095