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

21387963 (number)

21387963 is an odd 8-digits composite number following 21387962 and preceding 21387964. In scientific notation, it is written as 2.1387963 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14258640 positive integers (up to 21387963) that are relatively prime to 21387963.

Interesting facts

21387963 has 4 divisors, whose sum is 28517288
The reverse of 21387963 is 36978312
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million three hundred eighty-seven thousand nine hundred sixty-three

Notation

Scientific notation	2.1387963 × 10^7
Engineering notation	2.1387963 × 10^6

Prime Factorization of 21387963

Prime Factorization 3 × 7129321

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21387963	Product of the distinct prime numbers

The prime factorization of 21387963 is 3 × 7129321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 35, 96, 457, 109, 1719, 8106, 13713, 25105, 411552, 406802, 4421560, 4539749, 79552099, 32985458, 1841374, 920659303, 4514311195, 6258441102

Basic calculations (n = 21387963)

Multiplication

n×y

n×2	42775926
n×3	64163889
n×4	85551852
n×5	106939815

Division

n÷y

n÷2	10693981.5
n÷3	7129321
n÷3	5346990.75
n÷5	4277592.6

Exponentiation

n^y

n²	457444961289369
n³	9.7838159065935E+21
n⁴	2.0925589260903E+29
n⁵	4.475557288654E+36

Nth Root

^y√n

²√n	4624.7122072622
³√n	277.58104604593
⁴√n	68.005236616471
⁵√n	29.243805369849

Divisors of 21387963

1, 3, 7129321, 21387963

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	-21387962	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 21387963 can be divided by 4 positive divisors. The sum of these divisors (counting 21387963) is 1, the average is 0.25.

Base conversion 21387963

Base	System	Value
2	Binary	1010001100101101010111011
3	Ternary	1111020121202210
4	Quaternary	1101211222323
5	Quinary	20433403323
6	Senary	2042230203
8	Octal	121455273
10	Decimal	21387963
12	Duodecimal	71b5363
16	Hexadecimal	1465abb
20	Vigesimal	6dd9i3
36	Base36	cqf23

Cryptographic Hash Functions

md5	26188578274b7cf88c44882b9ad3aebd
sha1	585f7dfb888b6d825530312d560398cfc7e99a26
sha256	3ddd52703a3a1fad00af0351a51dc40de689387e3f98110cd7505ab61206791c
sha512	f13a00a1d63d2e3b89018293cd2c8e0fa44e0d3ae0901ae2774665daf13f2bce48a5e7fc6ea71549b273a427c952b98b23e167d9172421b40cfcc0412514c28f
ripemd-160	d1da118c21970f41399d7dd1b80b07551ee85826

21387963 as geometric shapes

Circle

Radius = n

Diameter	42775926
Circumference	134384534.8721
Area	1.4371057298083E+15

Sphere

Radius = n

Volume	4.0982352234972E+22
Surface area	5.7484229192334E+15
Circumference	134384534.8721

Square

Length = n

Perimeter	85551852
Area	457444961289369
Diagonal	30247147.346134

Cube

Length = n

Surface area	2744669767736214
Volume	9.7838159065935E+21
Space diagonal	37045038.586403

Equilateral Triangle

Length = n

Perimeter	64163889
Area	1.9807947865489E+14
Altitude	18522519.293202

Triangular Pyramid

Length = n

Surface area	1.9807947865489E+14
Volume	1.1530337622388E+21
Height	10082382.448711