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

21031761 (number)

21031761 is an odd 8-digits composite number following 21031760 and preceding 21031762. In scientific notation, it is written as 2.1031761 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13962032 positive integers (up to 21031761) that are relatively prime to 21031761.

Interesting facts

21031761 has 8 divisors, whose sum is 28160640
The reverse of 21031761 is 16713012
Previous prime number is 239

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million thirty-one thousand seven hundred sixty-one

Notation

Scientific notation	2.1031761 × 10^7
Engineering notation	2.1031761 × 10^6

Prime Factorization of 21031761

Prime Factorization 3 × 239 × 29333

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031761	Product of the distinct prime numbers

The prime factorization of 21031761 is 3 × 239 × 29333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 97, 33, 423, 460, 4272, 2515, 57047, 31820, 900877, 657381, 5086415, 8475291, 91703491, 89618813, 356144957, 65896136, 6307552303, 4374375834

Basic calculations (n = 21031761)

Multiplication

n×y

n×2	42063522
n×3	63095283
n×4	84127044
n×5	105158805

Division

n÷y

n÷2	10515880.5
n÷3	7010587
n÷3	5257940.25
n÷5	4206352.2

Exponentiation

n^y

n²	442334970761121
n³	9.3030833869899E+21
n⁴	1.9566022635824E+29
n⁵	4.1150791179724E+36

Nth Root

^y√n

²√n	4586.0397948557
³√n	276.03143676784
⁴√n	67.720305631736
⁵√n	29.145742765146

Divisors of 21031761

1, 3, 239, 717, 29333, 87999, 7010587, 21031761

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	-21031760	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 21031761 can be divided by 8 positive divisors. The sum of these divisors (counting 21031761) is 1, the average is 0.125.

Base conversion 21031761

Base	System	Value
2	Binary	1010000001110101101010001
3	Ternary	1110120112011010
4	Quaternary	1100032231101
5	Quinary	20341004021
6	Senary	2030441133
8	Octal	120165521
10	Decimal	21031761
12	Duodecimal	70631a9
16	Hexadecimal	140eb51
20	Vigesimal	6b8j81
36	Base36	cis7l

Cryptographic Hash Functions

md5	9a49948b5331f0d38e4a821b69605661
sha1	b0cd837bfb8b115d2e6d39d4dce36c39196c8dd9
sha256	696aa533e98d983c2312e773db3931f021fd0f60f829edd6b399a9f6e377b905
sha512	9e83558315ba5ca1139c7f15ce223b084332fb429ba9348f13ce1403e16d6cad70ac99bc02f795e1b7b05c3a21f3c8e947f3e7e8c422dd34d7e7fec2fe33955d
ripemd-160	d661e77d7b3b14dd011f0864d8be43b26ba2c991

21031761 as geometric shapes

Circle

Radius = n

Diameter	42063522
Circumference	132146451.69931
Area	1.389636294569E+15

Sphere

Radius = n

Volume	3.8968664565734E+22
Surface area	5.558545178276E+15
Circumference	132146451.69931

Square

Length = n

Perimeter	84127044
Area	442334970761121
Diagonal	29743401.64679

Cube

Length = n

Surface area	2654009824566726
Volume	9.3030833869899E+21
Space diagonal	36428078.624646

Equilateral Triangle

Length = n

Perimeter	63095283
Area	1.9153666083069E+14
Altitude	18214039.312323

Triangular Pyramid

Length = n

Surface area	1.9153666083069E+14
Volume	1.0963788914807E+21
Height	9914467.2155965