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

21631871 (number)

21631871 is an odd 8-digits composite number following 21631870 and preceding 21631872. In scientific notation, it is written as 2.1631871 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20079360 positive integers (up to 21631871) that are relatively prime to 21631871.

Interesting facts

21631871 has 8 divisors, whose sum is 23219424
The reverse of 21631871 is 17813612
Previous prime number is 73

Basic properties

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

Name

Name	twenty-one million six hundred thirty-one thousand eight hundred seventy-one

Notation

Scientific notation	2.1631871 × 10^7
Engineering notation	2.1631871 × 10^6

Prime Factorization of 21631871

Prime Factorization 17 × 73 × 17431

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21631871	Product of the distinct prime numbers

The prime factorization of 21631871 is 17 × 73 × 17431. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 14, 22, 531, 701, 883, 3294, 4238, 24188, 192047, 420215, 7129558, 6242369, 22075091, 76023027, 290360468, 894997564, 8970030826, 1823811011

Basic calculations (n = 21631871)

Multiplication

n×y

n×2	43263742
n×3	64895613
n×4	86527484
n×5	108159355

Division

n÷y

n÷2	10815935.5
n÷3	7210623.6666667
n÷3	5407967.75
n÷5	4326374.2

Exponentiation

n^y

n²	467937842960641
n³	1.0122371054943E+22
n⁴	2.1896582487466E+29
n⁵	4.7366404770972E+36

Nth Root

^y√n

²√n	4651.0075252573
³√n	278.6322368491
⁴√n	68.198295618419
⁵√n	29.31020236166

Divisors of 21631871

1, 17, 73, 1241, 17431, 296327, 1272463, 21631871

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	-21631870	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 21631871 can be divided by 8 positive divisors. The sum of these divisors (counting 21631871) is 1, the average is 0.125.

Base conversion 21631871

Base	System	Value
2	Binary	1010010100001001101111111
3	Ternary	1111201000100102
4	Quaternary	1102201031333
5	Quinary	21014204441
6	Senary	2051351315
8	Octal	122411577
10	Decimal	21631871
12	Duodecimal	72b253b
16	Hexadecimal	14a137f
20	Vigesimal	6f3jdb
36	Base36	cvn9b

Cryptographic Hash Functions

md5	cdfeeee360b69cc4e75b4a919495f663
sha1	b007cdce36f70c189ae62b907d7903783ae0f6f5
sha256	c4434bcaa0928f3ebc7ceb236cd9ee16d2f57c7452bdf5399e14e4e5a2bbbccb
sha512	883547c3624d5aa95c297124bf55e6c9ba65f1762e11f45d9a33021ed969621d41a0226fce524309c574162f48c1f9757c79445dbf221c268bb46c365055b152
ripemd-160	60778aac2b938fe8ed55389964f4f7da2fae5ad0

21631871 as geometric shapes

Circle

Radius = n

Diameter	43263742
Circumference	135917054.034
Area	1.4700700897818E+15

Sphere

Radius = n

Volume	4.2400488724158E+22
Surface area	5.8802803591272E+15
Circumference	135917054.034

Square

Length = n

Perimeter	86527484
Area	467937842960641
Diagonal	30592085.347705

Cube

Length = n

Surface area	2807627057763846
Volume	1.0122371054943E+22
Space diagonal	37467499.634776

Equilateral Triangle

Length = n

Perimeter	64895613
Area	2.02623029698E+14
Altitude	18733749.817388

Triangular Pyramid

Length = n

Surface area	2.02623029698E+14
Volume	1.1929328691061E+21
Height	10197361.782568