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

21691489 (number)

21691489 is an odd 8-digits prime number following 21691488 and preceding 21691490. In scientific notation, it is written as 2.1691489 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21691488 positive integers (up to 21691489) that are relatively prime to 21691489.

Interesting facts

21691489 has 2 divisors, whose sum is 21691490
The reverse of 21691489 is 98419612
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million six hundred ninety-one thousand four hundred eighty-nine

Notation

Scientific notation	2.1691489 × 10^7
Engineering notation	2.1691489 × 10^6

Prime Factorization of 21691489

Prime Factorization 21691489

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21691489	Product of the distinct prime numbers

The prime factorization of 21691489 is 21691489. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 2, 45, 17, 882, 143, 2584, 7564, 95808, 65227, 478579, 818073, 3846830, 5001451, 15801156, 81038440, 266890152, 800621688, 5567118457, 4531840486

Basic calculations (n = 21691489)

Multiplication

n×y

n×2	43382978
n×3	65074467
n×4	86765956
n×5	108457445

Division

n÷y

n÷2	10845744.5
n÷3	7230496.3333333
n÷3	5422872.25
n÷5	4338297.8

Exponentiation

n^y

n²	470520695037121
n³	1.020629448067E+22
n⁴	2.2138972445822E+29
n⁵	4.8022727727984E+36

Nth Root

^y√n

²√n	4657.4122643374
³√n	278.88797462057
⁴√n	68.245236202517
⁵√n	29.326340516834

Divisors of 21691489

1, 21691489

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21691490	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10845745	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4657.4123716931	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999077979	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691489 can be divided by 2 positive divisors. The sum of these divisors (counting 21691489) is 21691490, the average is 10845745.

Base conversion 21691489

Base	System	Value
2	Binary	1010010101111110001100001
3	Ternary	1111211001010111
4	Quaternary	1102233301201
5	Quinary	21023111424
6	Senary	2052531321
8	Octal	122576141
10	Decimal	21691489
12	Duodecimal	7320b41
16	Hexadecimal	14afc61
20	Vigesimal	6fb8e9
36	Base36	cwx9d

Cryptographic Hash Functions

md5	074506d650207070d18394e686c0e012
sha1	542ea490c4243381aa1992dcbc3043e78fa9df29
sha256	7a1126498522996cdcf01ee3b20075622b88469333891a5f56e2c0dedf051aaf
sha512	571a75b722dd2f403d8ad2d2bb0143e64d1e0173d27b5be65628ebec368cdb02cce9c9b2230422c569cafab1498245990b1f1f7521063b2b507a08f658e54fa7
ripemd-160	24264f69b06cb9d67ca7684c81f7eba5fea013ac

21691489 as geometric shapes

Circle

Radius = n

Diameter	43382978
Circumference	136291644.97565
Area	1.4781843588906E+15

Sphere

Radius = n

Volume	4.2752026347796E+22
Surface area	5.9127374355623E+15
Circumference	136291644.97565

Square

Length = n

Perimeter	86765956
Area	470520695037121
Diagonal	30676397.931867

Cube

Length = n

Surface area	2823124170222726
Volume	1.020629448067E+22
Space diagonal	37570761.039821

Equilateral Triangle

Length = n

Perimeter	65074467
Area	2.0374143745423E+14
Altitude	18785380.519911

Triangular Pyramid

Length = n

Surface area	2.0374143745423E+14
Volume	1.2028233396781E+21
Height	10225465.977289