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

21142487 (number)

21142487 is an odd 8-digits composite number following 21142486 and preceding 21142488. In scientific notation, it is written as 2.1142487 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 21124056 positive integers (up to 21142487) that are relatively prime to 21142487.

Interesting facts

21142487 has 4 divisors, whose sum is 21160920
The reverse of 21142487 is 78424112
Previous prime number is 1229

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million one hundred forty-two thousand four hundred eighty-seven

Notation

Scientific notation	2.1142487 × 10^7
Engineering notation	2.1142487 × 10^6

Prime Factorization of 21142487

Prime Factorization 1229 × 17203

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21142487	Product of the distinct prime numbers

The prime factorization of 21142487 is 1229 × 17203. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 73, 50, 995, 126, 9295, 2130, 91618, 67027, 503419, 762791, 4646672, 8771373, 46635727, 26664069, 266377675, 729114329, 2101846679, 9090863656

Basic calculations (n = 21142487)

Multiplication

n×y

n×2	42284974
n×3	63427461
n×4	84569948
n×5	105712435

Division

n÷y

n÷2	10571243.5
n÷3	7047495.6666667
n÷3	5285621.75
n÷5	4228497.4

Exponentiation

n^y

n²	447004756545169
n³	9.4507922541944E+21
n⁴	1.9981325237401E+29
n⁵	4.2245490907451E+36

Nth Root

^y√n

²√n	4598.0960190061
³√n	276.5149971101
⁴√n	67.8092620444
⁵√n	29.17636708442

Divisors of 21142487

1, 1229, 17203, 21142487

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	-21142486	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 21142487 can be divided by 4 positive divisors. The sum of these divisors (counting 21142487) is 1, the average is 0.25.

Base conversion 21142487

Base	System	Value
2	Binary	1010000101001101111010111
3	Ternary	1110210011001002
4	Quaternary	1100221233113
5	Quinary	20403024422
6	Senary	2033053515
8	Octal	120515727
10	Decimal	21142487
12	Duodecimal	70b729b
16	Hexadecimal	1429bd7
20	Vigesimal	6c2g47
36	Base36	cl5nb

Cryptographic Hash Functions

md5	65a4bf9bf13fcf27cf04377beccf343e
sha1	14a8e7eb3931a2a99bda1164608b766b8732679e
sha256	4ffd2491750965b0ab2a2263cc4aff34635b71fbb0dc13775062df3d58badfdb
sha512	be738f2e6786d5e93c0f9fffcc14c2e2be705e6f8248d06b2a1e856b2de2a580c9e48b1196f05014394c1b24b9a5a3d9fa686e9a39d115541be5776a1abcf29a
ripemd-160	d659fb1d275c2b56fc73a12110f3b24a908deaa4

21142487 as geometric shapes

Circle

Radius = n

Diameter	42284974
Circumference	132842163.67564
Area	1.404306859282E+15

Sphere

Radius = n

Volume	3.9587386021841E+22
Surface area	5.617227437128E+15
Circumference	132842163.67564

Square

Length = n

Perimeter	84569948
Area	447004756545169
Diagonal	29899991.857697

Cube

Length = n

Surface area	2682028539271014
Volume	9.4507922541944E+21
Space diagonal	36619861.682364

Equilateral Triangle

Length = n

Perimeter	63427461
Area	1.935587373903E+14
Altitude	18309930.841182

Triangular Pyramid

Length = n

Surface area	1.935587373903E+14
Volume	1.113786548421E+21
Height	9966663.9525656