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

21496987 (number)

21496987 is an odd 8-digits composite number following 21496986 and preceding 21496988. In scientific notation, it is written as 2.1496987 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 21446680 positive integers (up to 21496987) that are relatively prime to 21496987.

Interesting facts

21496987 has 4 divisors, whose sum is 21547296
The reverse of 21496987 is 78969412
Previous prime number is 431

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	twenty-one million four hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation	2.1496987 × 10^7
Engineering notation	2.1496987 × 10^6

Prime Factorization of 21496987

Prime Factorization 431 × 49877

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21496987	Product of the distinct prime numbers

The prime factorization of 21496987 is 431 × 49877. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 41, 76, 738, 269, 8211, 1963, 73665, 95777, 584628, 658288, 4509480, 6935580, 81453672, 62637104, 552321100, 307315073, 3014632717, 2619789350

Basic calculations (n = 21496987)

Multiplication

n×y

n×2	42993974
n×3	64490961
n×4	85987948
n×5	107484935

Division

n÷y

n÷2	10748493.5
n÷3	7165662.3333333
n÷3	5374246.75
n÷5	4299397.4

Exponentiation

n^y

n²	462120450078169
n³	9.9341973077645E+21
n⁴	2.1355531038045E+29
n⁵	4.5907957310295E+36

Nth Root

^y√n

²√n	4636.4843362186
³√n	278.05189842454
⁴√n	68.091734712948
⁵√n	29.273558512965

Divisors of 21496987

1, 431, 49877, 21496987

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	-21496986	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 21496987 can be divided by 4 positive divisors. The sum of these divisors (counting 21496987) is 1, the average is 0.25.

Base conversion 21496987

Base	System	Value
2	Binary	1010010000000010010011011
3	Ternary	1111110011022201
4	Quaternary	1102000102123
5	Quinary	21000400422
6	Senary	2044431031
8	Octal	122002233
10	Decimal	21496987
12	Duodecimal	7248477
16	Hexadecimal	148049b
20	Vigesimal	6e7297
36	Base36	csr6j

Cryptographic Hash Functions

md5	72506c5b9d6295b23324435abd08d712
sha1	6b41847deab550346bb9b40e7ba8d52c2ccdf106
sha256	361949f692478af396ae37b73b6b51c760ce61b9599fc0a4e6bbb75fa278437c
sha512	a550eed399d48e0ccd0782bfdafbbd8f411211119aa20530159cd7d7b603cc05fc90437db500e125daa71c5e30d1777c904ef513add2c92e8267198a9efb1988
ripemd-160	ae7a2777591e3ed8ad025fe3c795821499f8ea72

21496987 as geometric shapes

Circle

Radius = n

Diameter	42993974
Circumference	135069552.86703
Area	1.4517942110392E+15

Sphere

Radius = n

Volume	4.1612268375179E+22
Surface area	5.8071768441567E+15
Circumference	135069552.86703

Square

Length = n

Perimeter	85987948
Area	462120450078169
Diagonal	30401330.565558

Cube

Length = n

Surface area	2772722700469014
Volume	9.9341973077645E+21
Space diagonal	37233873.693648

Equilateral Triangle

Length = n

Perimeter	64490961
Area	2.00104024688E+14
Altitude	18616936.846824

Triangular Pyramid

Length = n

Surface area	2.00104024688E+14
Volume	1.1707563803276E+21
Height	10133776.855186