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

21031749 (number)

21031749 is an odd 8-digits composite number following 21031748 and preceding 21031750. In scientific notation, it is written as 2.1031749 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14021160 positive integers (up to 21031749) that are relatively prime to 21031749.

Interesting facts

21031749 has 4 divisors, whose sum is 23368620
The reverse of 21031749 is 94713012
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 thirty-one thousand seven hundred forty-nine

Notation

Scientific notation	2.1031749 × 10^7
Engineering notation	2.1031749 × 10^6

Prime Factorization of 21031749

Prime Factorization 9 × 2336861

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21031749	Product of the distinct prime numbers

The prime factorization of 21031749 is 9 × 2336861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 3, 17, 483, 239, 3049, 7513, 12813, 5458, 442221, 942447, 535959, 7431419, 67946082, 39826208, 665345051, 152902445, 9716124077, 867864399

Basic calculations (n = 21031749)

Multiplication

n×y

n×2	42063498
n×3	63095247
n×4	84126996
n×5	105158745

Division

n÷y

n÷2	10515874.5
n÷3	7010583
n÷3	5257937.25
n÷5	4206349.8

Exponentiation

n^y

n²	442334465999001
n³	9.30306746294E+21
n⁴	1.9565977981062E+29
n⁵	4.1150673783723E+36

Nth Root

^y√n

²√n	4586.0384865372
³√n	276.03138426981
⁴√n	67.720295972014
⁵√n	29.145739439233

Divisors of 21031749

1, 9, 2336861, 21031749

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	-21031748	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 21031749 can be divided by 4 positive divisors. The sum of these divisors (counting 21031749) is 1, the average is 0.25.

Base conversion 21031749

Base	System	Value
2	Binary	1010000001110101101000101
3	Ternary	1110120112010200
4	Quaternary	1100032231011
5	Quinary	20341003444
6	Senary	2030441113
8	Octal	120165505
10	Decimal	21031749
12	Duodecimal	7063199
16	Hexadecimal	140eb45
20	Vigesimal	6b8j79
36	Base36	cis79

Cryptographic Hash Functions

md5	7e9a103c70bae6c0efda2b85c2163e63
sha1	c488d199e75d90a0a2aab79d518384e1a44a9a6e
sha256	7fb6be6b12766527ee366f21995e4adf418ec1c5a71f028ee293691f56ce3f38
sha512	594db698f56b8df18bca81acb796c3ecfea0d824bc22580986cdd8a6975791e0f2c9d2920e282d3780a559a2ccb667cd075f1b0377d9d3ff0da77c8b7422bff0
ripemd-160	90c71ac2be30ab56cb140fac4b278891c74c74a1

21031749 as geometric shapes

Circle

Radius = n

Diameter	42063498
Circumference	132146376.30109
Area	1.389634708812E+15

Sphere

Radius = n

Volume	3.896859786323E+22
Surface area	5.5585388352481E+15
Circumference	132146376.30109

Square

Length = n

Perimeter	84126996
Area	442334465999001
Diagonal	29743384.676227

Cube

Length = n

Surface area	2654006795994006
Volume	9.30306746294E+21
Space diagonal	36428057.840036

Equilateral Triangle

Length = n

Perimeter	63095247
Area	1.9153644226228E+14
Altitude	18214028.920018

Triangular Pyramid

Length = n

Surface area	1.9153644226228E+14
Volume	1.0963770148135E+21
Height	9914461.5587423