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

21278081 (number)

21278081 is an odd 8-digits composite number following 21278080 and preceding 21278082. In scientific notation, it is written as 2.1278081 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18014400 positive integers (up to 21278081) that are relatively prime to 21278081.

Interesting facts

21278081 has 8 divisors, whose sum is 23246400
The reverse of 21278081 is 18087212
Previous prime number is 1159

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1278081 × 10^7
Engineering notation	2.1278081 × 10^6

Prime Factorization of 21278081

Prime Factorization 11 × 1159 × 1669

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21278081	Product of the distinct prime numbers

The prime factorization of 21278081 is 11 × 1159 × 1669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 95, 93, 210, 543, 3391, 8016, 52358, 7534, 427879, 616178, 6153742, 70731, 2486449, 48454940, 737460700, 307487130, 9656254824, 7440067225

Basic calculations (n = 21278081)

Multiplication

n×y

n×2	42556162
n×3	63834243
n×4	85112324
n×5	106390405

Division

n÷y

n÷2	10639040.5
n÷3	7092693.6666667
n÷3	5319520.25
n÷5	4255616.2

Exponentiation

n^y

n²	452756731042561
n³	9.6337943964188E+21
n⁴	2.0498865750435E+29
n⁵	4.3617652584587E+36

Nth Root

^y√n

²√n	4612.8170351749
³√n	277.10486630604
⁴√n	67.917722541137
⁵√n	29.213695052169

Divisors of 21278081

1, 11, 1159, 1669, 12749, 18359, 1934371, 21278081

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	-21278080	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 21278081 can be divided by 8 positive divisors. The sum of these divisors (counting 21278081) is 1, the average is 0.125.

Base conversion 21278081

Base	System	Value
2	Binary	1010001001010110110000001
3	Ternary	1111001001001002
4	Quaternary	1101022312001
5	Quinary	20421344311
6	Senary	2040021345
8	Octal	121126601
10	Decimal	21278081
12	Duodecimal	7161855
16	Hexadecimal	144ad81
20	Vigesimal	6cjf41
36	Base36	co29t

Cryptographic Hash Functions

md5	529f1523e713656683f90b802ebcff3c
sha1	a914a2222f6d12d217e9a6b5b91fdbc0b28d34bd
sha256	ba661d7f0a1f9426699488f39570fae06f17dcf425031bc67dc6af1ab1057f4e
sha512	f1316bac51e1d63bfe74cce006708a438a8be40aa9f48a769f60e3b92ff59de4b6216cba85afb64b52cb34022d43238793024411d5db9c051dc326525f219d57
ripemd-160	4f522e5fb7f0d69dae0ecd30372c4df7547f367d

21278081 as geometric shapes

Circle

Radius = n

Diameter	42556162
Circumference	133694125.90418
Area	1.4223772201066E+15

Sphere

Radius = n

Volume	4.0353943602645E+22
Surface area	5.6895088804266E+15
Circumference	133694125.90418

Square

Length = n

Perimeter	85112324
Area	452756731042561
Diagonal	30091750.731473

Cube

Length = n

Surface area	2716540386255366
Volume	9.6337943964188E+21
Space diagonal	36854717.379566

Equilateral Triangle

Length = n

Perimeter	63834243
Area	1.9604941540863E+14
Altitude	18427358.689783

Triangular Pyramid

Length = n

Surface area	1.9604941540863E+14
Volume	1.1353535577108E+21
Height	10030583.577158