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

21969987 (number)

21969987 is an odd 8-digits composite number following 21969986 and preceding 21969988. In scientific notation, it is written as 2.1969987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 13478400 positive integers (up to 21969987) that are relatively prime to 21969987.

Interesting facts

21969987 has 8 divisors, whose sum is 22602720
The reverse of 21969987 is 78996912
Previous prime number is 433

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

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

Notation

Scientific notation	2.1969987 × 10^7
Engineering notation	2.1969987 × 10^6

Prime Factorization of 21969987

Prime Factorization 39 × 433 × 1301

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21969987	Product of the distinct prime numbers

The prime factorization of 21969987 is 39 × 433 × 1301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 95, 56, 686, 646, 1436, 5533, 89000, 50506, 712137, 604279, 4326834, 2852926, 619465, 58355161, 534423547, 864683754, 4589143597, 9569681925

Basic calculations (n = 21969987)

Multiplication

n×y

n×2	43939974
n×3	65909961
n×4	87879948
n×5	109849935

Division

n÷y

n÷2	10984993.5
n÷3	7323329
n÷3	5492496.75
n÷5	4393997.4

Exponentiation

n^y

n²	482680328780169
n³	1.0604480548456E+22
n⁴	2.3298029979133E+29
n⁵	5.1185741576717E+36

Nth Root

^y√n

²√n	4687.2152713525
³√n	280.07645446222
⁴√n	68.463240292528
⁵√n	29.401261174868

Divisors of 21969987

1, 39, 433, 1301, 16887, 50739, 563333, 21969987

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	-21969986	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 21969987 can be divided by 8 positive divisors. The sum of these divisors (counting 21969987) is 1, the average is 0.125.

Base conversion 21969987

Base	System	Value
2	Binary	1010011110011110001000011
3	Ternary	1112100012011020
4	Quaternary	1103303301003
5	Quinary	21111014422
6	Senary	2102520523
8	Octal	123636103
10	Decimal	21969987
12	Duodecimal	7436143
16	Hexadecimal	14f3c43
20	Vigesimal	6h64j7
36	Base36	d2w5f

Cryptographic Hash Functions

md5	0dc658a18fcfbee4b425c9a2f84f2ac8
sha1	c45d3f973f5b8361ec72ad4804e84fc9c65953a4
sha256	44538f42903d8cf2c0dd1cdbcb93e72f2870f04dd222b18451b162e2eb751d83
sha512	92a807571e92930e3028e62b7cc6c161a61cd01ca9ba5388a61c4790dbe49a826c9661a925216cb84e01c5c26a029a07f49f4f61cccf3538c827e34835b7444f
ripemd-160	40f148dcfa0ecacf92f972ac79749d9170a9bb92

21969987 as geometric shapes

Circle

Radius = n

Diameter	43939974
Circumference	138041499.51733
Area	1.5163849749281E+15

Sphere

Radius = n

Volume	4.441994424822E+22
Surface area	6.0655398997123E+15
Circumference	138041499.51733

Square

Length = n

Perimeter	87879948
Area	482680328780169
Diagonal	31070253.580561

Cube

Length = n

Surface area	2896081972681014
Volume	1.0604480548456E+22
Space diagonal	38053133.725628

Equilateral Triangle

Length = n

Perimeter	65909961
Area	2.0900671331533E+14
Altitude	19026566.862814

Triangular Pyramid

Length = n

Surface area	2.0900671331533E+14
Volume	1.2497500177957E+21
Height	10356751.19352