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

21151 (number)

21151 is an odd 5-digits composite number following 21150 and preceding 21152. In scientific notation, it is written as 2.1151 × 10^4. The sum of its digits is 10. It has a total of 2 prime factors and 4 positive divisors. There are 19512 positive integers (up to 21151) that are relatively prime to 21151.

Interesting facts

21151 has 4 divisors, whose sum is 22792
The reverse of 21151 is 15112
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 10
Digital Root 1

Name

Name	twenty-one thousand one hundred fifty-one

Notation

Scientific notation	2.1151 × 10^4
Engineering notation	2.1151 × 10^3

Prime Factorization of 21151

Prime Factorization 13 × 1627

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21151	Product of the distinct prime numbers

The prime factorization of 21151 is 13 × 1627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 81, 38, 811, 122, 7666, 9470, 5882, 97084, 434454, 158771, 7766219, 3056913, 79643705, 69097898, 388076211, 700688282, 3422866823, 5349351678

Basic calculations (n = 21151)

Multiplication

n×y

n×2	42302
n×3	63453
n×4	84604
n×5	105755

Division

n÷y

n÷2	10575.5
n÷3	7050.3333333333
n÷3	5287.75
n÷5	4230.2

Exponentiation

n^y

n²	447364801
n³	9462212905951
n⁴	200135265173769601
n⁵	4.2330609936904E+21

Nth Root

^y√n

²√n	145.43383375267
³√n	27.655210495365
⁴√n	12.059595090743
⁵√n	7.3293621494395

Divisors of 21151

1, 13, 1627, 21151

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	-21150	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 21151 can be divided by 4 positive divisors. The sum of these divisors (counting 21151) is 1, the average is 0.25.

Base conversion 21151

Base	System	Value
2	Binary	101001010011111
3	Ternary	1002000101
4	Quaternary	11022133
5	Quinary	1134101
6	Senary	241531
8	Octal	51237
10	Decimal	21151
12	Duodecimal	102a7
16	Hexadecimal	529f
20	Vigesimal	2chb
36	Base36	gbj

Cryptographic Hash Functions

md5	ae224a2b6d1b233a204dad19a6aa017d
sha1	715413d9dfd03c0927591c3c1d5e36f92b79b7b5
sha256	39d2c145ac2affdbc8d1273cea1ef101d8980c9ccb62c9ea3c3c60d0ef7c3574
sha512	4dab28da30d46ee540e9c98c1f07ad68195b51259c8ecc0938bdbf231b2fb7f7cda88d07be63e3c3873bfa58cbc53f7464740ebef053b82ed354802473c979ea
ripemd-160	13750b32ea9fab911a07a6dff131dc7e97671d39

21151 as geometric shapes

Circle

Radius = n

Diameter	42302
Circumference	132895.65243216
Area	1405437972.2963

Sphere

Radius = n

Volume	39635224736051
Surface area	5621751889.185
Circumference	132895.65243216

Square

Length = n

Perimeter	84604
Area	447364801
Diagonal	29912.031057753

Cube

Length = n

Surface area	2684188806
Volume	9462212905951
Space diagonal	36634.606630889

Equilateral Triangle

Length = n

Perimeter	63453
Area	193714641.21249
Altitude	18317.303315445

Triangular Pyramid

Length = n

Surface area	193714641.21249
Volume	1115132485138.1
Height	9970.6770192511