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

21397946 (number)

21397946 is an even 8-digits composite number following 21397945 and preceding 21397947. In scientific notation, it is written as 2.1397946 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10523520 positive integers (up to 21397946) that are relatively prime to 21397946.

Interesting facts

21397946 has 8 divisors, whose sum is 32623284
The reverse of 21397946 is 64979312
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.1397946 × 10^7
Engineering notation	2.1397946 × 10^6

Prime Factorization of 21397946

Prime Factorization 2 × 61 × 175393

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21397946	Product of the distinct prime numbers

The prime factorization of 21397946 is 2 × 61 × 175393. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 81, 91, 983, 176, 7329, 5314, 88380, 20065, 31863, 396558, 3146756, 1300133, 6237379, 74837281, 393810001, 471855443, 8487125345, 5220758991

Basic calculations (n = 21397946)

Multiplication

n×y

n×2	42795892
n×3	64193838
n×4	85591784
n×5	106989730

Division

n÷y

n÷2	10698973
n÷3	7132648.6666667
n÷3	5349486.5
n÷5	4279589.2

Exponentiation

n^y

n²	457872093018916
n³	9.7975223213257E+21
n⁴	2.0964685356552E+29
n⁵	4.486012051665E+36

Nth Root

^y√n

²√n	4625.7913917513
³√n	277.62422704064
⁴√n	68.013170722671
⁵√n	29.246534815547

Divisors of 21397946

1, 2, 61, 122, 175393, 350786, 10698973, 21397946

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	-21397945	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 21397946 can be divided by 8 positive divisors. The sum of these divisors (counting 21397946) is 1, the average is 0.125.

Base conversion 21397946

Base	System	Value
2	Binary	1010001101000000110111010
3	Ternary	1111021010110112
4	Quaternary	1101220012322
5	Quinary	20434213241
6	Senary	2042344322
8	Octal	121500672
10	Decimal	21397946
12	Duodecimal	71bb0a2
16	Hexadecimal	14681ba
20	Vigesimal	6deeh6
36	Base36	cqmre

Cryptographic Hash Functions

md5	f48b36404e47a1eb7f4523e51ebea2f5
sha1	0b25e350973a401949e63fa1d3661041579eb1e3
sha256	1ec65d22a2e44a6fb88ff419ed8da87562221637acdff40d46f9fd0f5cea9b58
sha512	d0f5cbb41a142a3eed9c2392537f85189babb61fb9798eced412aa83b46369864f61541906c810dfe002668764cdf0fc2567c51679b656836114ef744d81b3e2
ripemd-160	82bc64cabdbb455d0779c9e39675648260c179eb

21397946 as geometric shapes

Circle

Radius = n

Diameter	42795892
Circumference	134447259.91102
Area	1.438447603712E+15

Sphere

Radius = n

Volume	4.1039765530745E+22
Surface area	5.753790414848E+15
Circumference	134447259.91102

Square

Length = n

Perimeter	85591784
Area	457872093018916
Diagonal	30261265.440127

Cube

Length = n

Surface area	2747232558113496
Volume	9.7975223213257E+21
Space diagonal	37062329.649615

Equilateral Triangle

Length = n

Perimeter	64193838
Area	1.9826443211917E+14
Altitude	18531164.824808

Triangular Pyramid

Length = n

Surface area	1.9826443211917E+14
Volume	1.154649078706E+21
Height	10087088.480042