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

21249931 (number)

21249931 is an odd 8-digits composite number following 21249930 and preceding 21249932. In scientific notation, it is written as 2.1249931 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20731600 positive integers (up to 21249931) that are relatively prime to 21249931.

Interesting facts

21249931 has 4 divisors, whose sum is 21768264
The reverse of 21249931 is 13994212
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million two hundred forty-nine thousand nine hundred thirty-one

Notation

Scientific notation	2.1249931 × 10^7
Engineering notation	2.1249931 × 10^6

Prime Factorization of 21249931

Prime Factorization 41 × 518291

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21249931	Product of the distinct prime numbers

The prime factorization of 21249931 is 41 × 518291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 19, 98, 671, 798, 6467, 9865, 98549, 50672, 441258, 95831, 932095, 9144606, 75536815, 4750476, 829553791, 148024397, 6765002309, 8987237359

Basic calculations (n = 21249931)

Multiplication

n×y

n×2	42499862
n×3	63749793
n×4	84999724
n×5	106249655

Division

n÷y

n÷2	10624965.5
n÷3	7083310.3333333
n÷3	5312482.75
n÷5	4249986.2

Exponentiation

n^y

n²	451559567504761
n³	9.595609651866E+21
n⁴	2.0390604300509E+29
n⁵	4.3329893443411E+36

Nth Root

^y√n

²√n	4609.7647445396
³√n	276.98261304413
⁴√n	67.895248320774
⁵√n	29.205961262234

Divisors of 21249931

1, 41, 518291, 21249931

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	-21249930	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 21249931 can be divided by 4 positive divisors. The sum of these divisors (counting 21249931) is 1, the average is 0.25.

Base conversion 21249931

Base	System	Value
2	Binary	1010001000011111110001011
3	Ternary	1110222121102111
4	Quaternary	1101003332023
5	Quinary	20414444211
6	Senary	2035243151
8	Octal	121037613
10	Decimal	21249931
12	Duodecimal	71494b7
16	Hexadecimal	1443f8b
20	Vigesimal	6cg4gb
36	Base36	cngjv

Cryptographic Hash Functions

md5	c4ab80b66bfaa2845a41b9066dfd02f0
sha1	403271864a13c6ca50c07898c08e4c7730bf9082
sha256	23b8bd965d172e5ec1177e279772c48cd1ebe8df10db4cf41ee085827a2a8f08
sha512	4df5bd476e74538966e14ea3fe7e00467790bf5224c3e23fb12f85717a359dd7c6fbcb6d7f8ecf1167cc2d47e96e87c41cafc17aa5576aafc520412c47a9bf49
ripemd-160	a558207a673c9092e89e61ca237030aea6a31a12

21249931 as geometric shapes

Circle

Radius = n

Diameter	42499862
Circumference	133517254.23778
Area	1.4186162199311E+15

Sphere

Radius = n

Volume	4.019399571869E+22
Surface area	5.6744648797246E+15
Circumference	133517254.23778

Square

Length = n

Perimeter	84999724
Area	451559567504761
Diagonal	30051940.619692

Cube

Length = n

Surface area	2709357405028566
Volume	9.595609651866E+21
Space diagonal	36805960.149333

Equilateral Triangle

Length = n

Perimeter	63749793
Area	1.9553102839052E+14
Altitude	18402980.074666

Triangular Pyramid

Length = n

Surface area	1.9553102839052E+14
Volume	1.1308534424089E+21
Height	10017313.539897