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

21474987 (number)

21474987 is an odd 8-digits composite number following 21474986 and preceding 21474988. In scientific notation, it is written as 2.1474987 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14316656 positive integers (up to 21474987) that are relatively prime to 21474987.

Interesting facts

21474987 has 4 divisors, whose sum is 28633320
The reverse of 21474987 is 78947412
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty-one million four hundred seventy-four thousand nine hundred eighty-seven

Notation

Scientific notation	2.1474987 × 10^7
Engineering notation	2.1474987 × 10^6

Prime Factorization of 21474987

Prime Factorization 3 × 7158329

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21474987	Product of the distinct prime numbers

The prime factorization of 21474987 is 3 × 7158329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 73, 34, 133, 917, 894, 4546, 60760, 93646, 72887, 495145, 7478937, 8236182, 93760193, 53860234, 120893757, 156636826, 6575420113, 9024520382

Basic calculations (n = 21474987)

Multiplication

n×y

n×2	42949974
n×3	64424961
n×4	85899948
n×5	107374935

Division

n÷y

n÷2	10737493.5
n÷3	7158329
n÷3	5368746.75
n÷5	4294997.4

Exponentiation

n^y

n²	461175066650169
n³	9.9037285610365E+21
n⁴	2.1268244209979E+29
n⁵	4.5673526792212E+36

Nth Root

^y√n

²√n	4634.1112416514
³√n	277.95701334891
⁴√n	68.074306765853
⁵√n	29.267564351231

Divisors of 21474987

1, 3, 7158329, 21474987

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	-21474986	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 21474987 can be divided by 4 positive divisors. The sum of these divisors (counting 21474987) is 1, the average is 0.25.

Base conversion 21474987

Base	System	Value
2	Binary	1010001111010111010101011
3	Ternary	1111102001010220
4	Quaternary	1101322322223
5	Quinary	20444144422
6	Senary	2044141123
8	Octal	121727253
10	Decimal	21474987
12	Duodecimal	72377a3
16	Hexadecimal	147aeab
20	Vigesimal	6e4797
36	Base36	csa7f

Cryptographic Hash Functions

md5	7fd785225060673dd4635a5ecf22c3b7
sha1	ae86002d7863037d88bbd9f60e3158c5653a27e5
sha256	dc034680004b3f46ae72466a51bdfbc4e6318d8392b3fa6b8c370c91598826f5
sha512	300610e6ff81f22244f31d8f4c1e7281d7ef65036115540abd39d21b7f62ddb4b079985b50df8b07b7142c06ffa6990eb934e729018b944bb2e44e5144ac8934
ripemd-160	8b5117dbc5e0c8e7bdd1bb120eefeea2f66d44e3

21474987 as geometric shapes

Circle

Radius = n

Diameter	42949974
Circumference	134931322.79027
Area	1.448824201407E+15

Sphere

Radius = n

Volume	4.1484641187333E+22
Surface area	5.7952968056278E+15
Circumference	134931322.79027

Square

Length = n

Perimeter	85899948
Area	461175066650169
Diagonal	30370217.867186

Cube

Length = n

Surface area	2767050399901014
Volume	9.9037285610365E+21
Space diagonal	37195768.575881

Equilateral Triangle

Length = n

Perimeter	64424961
Area	1.9969466165551E+14
Altitude	18597884.287941

Triangular Pyramid

Length = n

Surface area	1.9969466165551E+14
Volume	1.16716560409E+21
Height	10123405.955729