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

21131871 (number)

21131871 is an odd 8-digits composite number following 21131870 and preceding 21131872. In scientific notation, it is written as 2.1131871 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13475352 positive integers (up to 21131871) that are relatively prime to 21131871.

Interesting facts

21131871 has 8 divisors, whose sum is 29400960
The reverse of 21131871 is 17813112
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

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

Notation

Scientific notation	2.1131871 × 10^7
Engineering notation	2.1131871 × 10^6

Prime Factorization of 21131871

Prime Factorization 3 × 23 × 306259

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131871	Product of the distinct prime numbers

The prime factorization of 21131871 is 3 × 23 × 306259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 95, 44, 616, 122, 3349, 5425, 47098, 25566, 972783, 471338, 3074409, 7920244, 91434920, 58179319, 813018959, 56888807, 7496630937, 2106014148

Basic calculations (n = 21131871)

Multiplication

n×y

n×2	42263742
n×3	63395613
n×4	84527484
n×5	105659355

Division

n÷y

n÷2	10565935.5
n÷3	7043957
n÷3	5282967.75
n÷5	4226374.2

Exponentiation

n^y

n²	446555971960641
n³	9.4365631937519E+21
n⁴	1.9941223609371E+29
n⁵	4.2139536489539E+36

Nth Root

^y√n

²√n	4596.9414832038
³√n	276.46870841087
⁴√n	67.800748397077
⁵√n	29.173436506373

Divisors of 21131871

1, 3, 23, 69, 306259, 918777, 7043957, 21131871

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	-21131870	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 21131871 can be divided by 8 positive divisors. The sum of these divisors (counting 21131871) is 1, the average is 0.125.

Base conversion 21131871

Base	System	Value
2	Binary	1010000100111001001011111
3	Ternary	1110202121110220
4	Quaternary	1100213021133
5	Quinary	20402204441
6	Senary	2032532423
8	Octal	120471137
10	Decimal	21131871
12	Duodecimal	70b1113
16	Hexadecimal	142725f
20	Vigesimal	6c19db
36	Base36	ckxgf

Cryptographic Hash Functions

md5	ad2dc48083c8bf30ba1dff347acde1b9
sha1	84bd4f04780d24704617bced901e5a250d948b8f
sha256	d95e152adcb828ae42bcb7704d92ed309670fa3b1fc763a20066baebd6630b46
sha512	53896076077c6f6c63644b4ef0c6bad64c23bda5e0e7bab1e29cee010856a334e847555f2a8658e868d2ecfc20dda3143da722ffb7e40e7fcdb09cf795f9f8bc
ripemd-160	8e7ec9cae5e1b9cb9174434a01b7c7c14c22ce44

21131871 as geometric shapes

Circle

Radius = n

Diameter	42263742
Circumference	132775461.38041
Area	1.4028969609282E+15

Sphere

Radius = n

Volume	3.9527783472836E+22
Surface area	5.6115878437128E+15
Circumference	132775461.38041

Square

Length = n

Perimeter	84527484
Area	446555971960641
Diagonal	29884978.566519

Cube

Length = n

Surface area	2679335831763846
Volume	9.4365631937519E+21
Space diagonal	36601474.230991

Equilateral Triangle

Length = n

Perimeter	63395613
Area	1.9336440796478E+14
Altitude	18300737.115496

Triangular Pyramid

Length = n

Surface area	1.9336440796478E+14
Volume	1.1121096375662E+21
Height	9961659.5221729