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

21156871 (number)

21156871 is an odd 8-digits prime number following 21156870 and preceding 21156872. In scientific notation, it is written as 2.1156871 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21156870 positive integers (up to 21156871) that are relatively prime to 21156871.

Interesting facts

21156871 has 2 divisors, whose sum is 21156872
The reverse of 21156871 is 17865112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1156871 × 10^7
Engineering notation	2.1156871 × 10^6

Prime Factorization of 21156871

Prime Factorization 21156871

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21156871	Product of the distinct prime numbers

The prime factorization of 21156871 is 21156871. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 38, 96, 719, 714, 2317, 7768, 16794, 99903, 121170, 415176, 8339343, 857865, 13292507, 3056123, 565404244, 890700014, 8129011993, 7690259613

Basic calculations (n = 21156871)

Multiplication

n×y

n×2	42313742
n×3	63470613
n×4	84627484
n×5	105784355

Division

n÷y

n÷2	10578435.5
n÷3	7052290.3333333
n÷3	5289217.75
n÷5	4231374.2

Exponentiation

n^y

n²	447613190510641
n³	9.4700945295321E+21
n⁴	2.0035756831912E+29
n⁵	4.2389392268012E+36

Nth Root

^y√n

²√n	4599.6598787302
³√n	276.57769061869
⁴√n	67.820792377634
⁵√n	29.180335952446

Divisors of 21156871

1, 21156871

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21156872	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10578436	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4599.6599874339	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999054681	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21156871 can be divided by 2 positive divisors. The sum of these divisors (counting 21156871) is 21156872, the average is 10578436.

Base conversion 21156871

Base	System	Value
2	Binary	1010000101101010000000111
3	Ternary	1110210212202211
4	Quaternary	1100231100013
5	Quinary	20404004441
6	Senary	2033244251
8	Octal	120552007
10	Decimal	21156871
12	Duodecimal	7103687
16	Hexadecimal	142d407
20	Vigesimal	6c4c3b
36	Base36	clgqv

Cryptographic Hash Functions

md5	8136f2e275c7a3743251f5e1106d7b1f
sha1	396d839b2a62bf6ef58713c538a368774bb7ac76
sha256	63ac81f9ef91d5b0d0750fd7a22f0d192c91295dfbf7486ae65d4e19122326c3
sha512	2d957c63318f00b7b67c5f0f409606491a7b83db76fbae77d2e353f1f70197f5c63506e1a2a388a9fe69a9721f24eb14b0484a723ad70a502365faa9ba157388
ripemd-160	42d0c6eea50423a45290ae160375d05e8de17454

21156871 as geometric shapes

Circle

Radius = n

Diameter	42313742
Circumference	132932541.01309
Area	1.4062183109581E+15

Sphere

Radius = n

Volume	3.9668239203705E+22
Surface area	5.6248732438325E+15
Circumference	132932541.01309

Square

Length = n

Perimeter	84627484
Area	447613190510641
Diagonal	29920333.905578

Cube

Length = n

Surface area	2685679143063846
Volume	9.4700945295321E+21
Space diagonal	36644775.501181

Equilateral Triangle

Length = n

Perimeter	63470613
Area	1.9382219702561E+14
Altitude	18322387.75059

Triangular Pyramid

Length = n

Surface area	1.9382219702561E+14
Volume	1.116061343385E+21
Height	9973444.6351927