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

21087434 (number)

21087434 is an even 8-digits composite number following 21087433 and preceding 21087435. In scientific notation, it is written as 2.1087434 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10543716 positive integers (up to 21087434) that are relatively prime to 21087434.

Interesting facts

21087434 has 4 divisors, whose sum is 31631154
The reverse of 21087434 is 43478012
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million eighty-seven thousand four hundred thirty-four

Notation

Scientific notation	2.1087434 × 10^7
Engineering notation	2.1087434 × 10^6

Prime Factorization of 21087434

Prime Factorization 2 × 10543717

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21087434	Product of the distinct prime numbers

The prime factorization of 21087434 is 2 × 10543717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 12, 72, 459, 901, 6492, 1131, 74661, 56371, 449719, 359468, 6903471, 2573818, 28749012, 44071358, 172427111, 116283830, 5605757088, 4330445404

Basic calculations (n = 21087434)

Multiplication

n×y

n×2	42174868
n×3	63262302
n×4	84349736
n×5	105437170

Division

n÷y

n÷2	10543717
n÷3	7029144.6666667
n÷3	5271858.5
n÷5	4217486.8

Exponentiation

n^y

n²	444679872704356
n³	9.3771574667815E+21
n⁴	1.9774018918836E+29
n⁵	4.1698331886571E+36

Nth Root

^y√n

²√n	4592.1056172523
³√n	276.27478234978
⁴√n	67.765076678569
⁵√n	29.161156743648

Divisors of 21087434

1, 2, 10543717, 21087434

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	-21087433	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 21087434 can be divided by 4 positive divisors. The sum of these divisors (counting 21087434) is 1, the average is 0.25.

Base conversion 21087434

Base	System	Value
2	Binary	1010000011100010011001010
3	Ternary	1110200100112002
4	Quaternary	1100130103022
5	Quinary	20344244214
6	Senary	2031551002
8	Octal	120342312
10	Decimal	21087434
12	Duodecimal	708b462
16	Hexadecimal	141c4ca
20	Vigesimal	6bfibe
36	Base36	cjz62

Cryptographic Hash Functions

md5	b8d6dfb9cb765f33e80dc52556848ad6
sha1	2719ed16c798d5d1d65f3675d4b31ffb9a029dc6
sha256	ee4240ceb2f4688700e8daa3989d55137224540c6e2810a22d1adc772c64a95d
sha512	71ceaeaaf3d6a7666053f3db191b4d3d709ae494f268df8f3f2cc9351e587cf3c043f9a5f4006a0a7acbd88e9cf6493d7b373d79ce6a7ac23d78122615e21bae
ripemd-160	74cc95bf94d0881293afe51e8bb1ac7cf2eff2c7

21087434 as geometric shapes

Circle

Radius = n

Diameter	42174868
Circumference	132496255.47492
Area	1.3970030212872E+15

Sphere

Radius = n

Volume	3.9278945345594E+22
Surface area	5.588012085149E+15
Circumference	132496255.47492

Square

Length = n

Perimeter	84349736
Area	444679872704356
Diagonal	29822135.158448

Cube

Length = n

Surface area	2668079236226136
Volume	9.3771574667815E+21
Space diagonal	36524507.089255

Equilateral Triangle

Length = n

Perimeter	63262302
Area	1.925520331568E+14
Altitude	18262253.544628

Triangular Pyramid

Length = n

Surface area	1.925520331568E+14
Volume	1.1051086055025E+21
Height	9940711.7194825