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

21087946 (number)

21087946 is an even 8-digits composite number following 21087945 and preceding 21087947. In scientific notation, it is written as 2.1087946 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 9585420 positive integers (up to 21087946) that are relatively prime to 21087946.

Interesting facts

21087946 has 8 divisors, whose sum is 34507584
The reverse of 21087946 is 64978012
Previous prime number is 11

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million eighty-seven thousand nine hundred forty-six

Notation

Scientific notation	2.1087946 × 10^7
Engineering notation	2.1087946 × 10^6

Prime Factorization of 21087946

Prime Factorization 2 × 11 × 958543

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087946	Product of the distinct prime numbers

The prime factorization of 21087946 is 2 × 11 × 958543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 56, 65, 780, 764, 3680, 4690, 50687, 15736, 621867, 768529, 4877793, 5698494, 24950793, 72139428, 702184264, 636458987, 7829317051, 650246108

Basic calculations (n = 21087946)

Multiplication

n×y

n×2	42175892
n×3	63263838
n×4	84351784
n×5	105439730

Division

n÷y

n÷2	10543973
n÷3	7029315.3333333
n÷3	5271986.5
n÷5	4217589.2

Exponentiation

n^y

n²	444701466498916
n³	9.3778405116499E+21
n⁴	1.9775939430629E+29
n⁵	4.1703394281237E+36

Nth Root

^y√n

²√n	4592.1613647606
³√n	276.27701830294
⁴√n	67.765488006511
⁵√n	29.161298348048

Divisors of 21087946

1, 2, 11, 22, 958543, 1917086, 10543973, 21087946

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	-21087945	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 21087946 can be divided by 8 positive divisors. The sum of these divisors (counting 21087946) is 1, the average is 0.125.

Base conversion 21087946

Base	System	Value
2	Binary	1010000011100011011001010
3	Ternary	1110200101020001
4	Quaternary	1100130123022
5	Quinary	20344303241
6	Senary	2031553214
8	Octal	120343312
10	Decimal	21087946
12	Duodecimal	708b80a
16	Hexadecimal	141c6ca
20	Vigesimal	6bfjh6
36	Base36	cjzka

Cryptographic Hash Functions

md5	6c7ab191c32cc2744b8f404c2bbe959e
sha1	58d5d483c46a2bf7085f70a3037536704103d855
sha256	265746f7c75c3a4807a333fa252aac1e92d1b1d9d101a03635f23bd55025a619
sha512	d35f536f9bd37f6dbf3d10697203ac0f0d9b2ad496b2df557761f43de2c8b4bd48cf9ed64bfa3f191893ef5bdbe82408d3b11c625dccea44bc1a0aa9358ba9ae
ripemd-160	dbd9ee566208739a2979ddcad9d8d5af68a7a848

21087946 as geometric shapes

Circle

Radius = n

Diameter	42175892
Circumference	132499472.4658
Area	1.3970708601936E+15

Sphere

Radius = n

Volume	3.9281806477248E+22
Surface area	5.5882834407744E+15
Circumference	132499472.4658

Square

Length = n

Perimeter	84351784
Area	444701466498916
Diagonal	29822859.235791

Cube

Length = n

Surface area	2668208798993496
Volume	9.3778405116499E+21
Space diagonal	36525393.899269

Equilateral Triangle

Length = n

Perimeter	63263838
Area	1.9256138354413E+14
Altitude	18262696.949634

Triangular Pyramid

Length = n

Surface area	1.9256138354413E+14
Volume	1.1051891031123E+21
Height	9940953.0785972