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

21997946 (number)

21997946 is an even 8-digits composite number following 21997945 and preceding 21997947. In scientific notation, it is written as 2.1997946 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 10998972 positive integers (up to 21997946) that are relatively prime to 21997946.

Interesting facts

21997946 has 4 divisors, whose sum is 32996922
The reverse of 21997946 is 64979912
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty-one million nine hundred ninety-seven thousand nine hundred forty-six

Notation

Scientific notation	2.1997946 × 10^7
Engineering notation	2.1997946 × 10^6

Prime Factorization of 21997946

Prime Factorization 2 × 10998973

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21997946	Product of the distinct prime numbers

The prime factorization of 21997946 is 2 × 10998973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 7, 59, 830, 768, 5638, 3002, 7296, 25639, 528862, 219849, 9307648, 5786056, 3144454, 74096212, 446515027, 247333510, 3994606420, 9326815226

Basic calculations (n = 21997946)

Multiplication

n×y

n×2	43995892
n×3	65993838
n×4	87991784
n×5	109989730

Division

n÷y

n÷2	10998973
n÷3	7332648.6666667
n÷3	5499486.5
n÷5	4399589.2

Exponentiation

n^y

n²	483909628218916
n³	1.064501787044E+22
n⁴	2.3416852828297E+29
n⁵	5.1512266400682E+36

Nth Root

^y√n

²√n	4690.1967975768
³√n	280.1952125081
⁴√n	68.485011481176
⁵√n	29.408740576056

Divisors of 21997946

1, 2, 10998973, 21997946

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	-21997945	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 21997946 can be divided by 4 positive divisors. The sum of these divisors (counting 21997946) is 1, the average is 0.25.

Base conversion 21997946

Base	System	Value
2	Binary	1010011111010100101111010
3	Ternary	1112101121111202
4	Quaternary	1103322211322
5	Quinary	21112413241
6	Senary	2103254202
8	Octal	123724572
10	Decimal	21997946
12	Duodecimal	744a362
16	Hexadecimal	14fa97a
20	Vigesimal	6h9eh6
36	Base36	d3hq2

Cryptographic Hash Functions

md5	107ff0ff9e64b15c4d228de727683f64
sha1	499f57afee0d83d6a27376de901595b7b8844fff
sha256	f32e0b31fd4a70e098ffebd7156ffc5184348302a88d38c683c481c85ed92955
sha512	ec1c2fe08374e6ca4b3a7a81291e2fb990c11703ff75e984e6e2f280795ee68bf0b6b5a90df44484f6e49529a293d9180c7191446d8238543744845bd07ba8ec
ripemd-160	41f0091212628dd26613c0585890864dd8d5aeed

21997946 as geometric shapes

Circle

Radius = n

Diameter	43995892
Circumference	138217171.09533
Area	1.5202469330139E+15

Sphere

Radius = n

Volume	4.4589746585474E+22
Surface area	6.0809877320557E+15
Circumference	138217171.09533

Square

Length = n

Perimeter	87991784
Area	483909628218916
Diagonal	31109793.577551

Cube

Length = n

Surface area	2903457769313496
Volume	1.064501787044E+22
Space diagonal	38101560.134157

Equilateral Triangle

Length = n

Perimeter	65993838
Area	2.0953901558673E+14
Altitude	19050780.067078

Triangular Pyramid

Length = n

Surface area	2.0953901558673E+14
Volume	1.2545273870067E+21
Height	10369931.192517