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

21000689 (number)

21000689 is an odd 8-digits prime number following 21000688 and preceding 21000690. In scientific notation, it is written as 2.1000689 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21000688 positive integers (up to 21000689) that are relatively prime to 21000689.

Interesting facts

21000689 has 2 divisors, whose sum is 21000690
The reverse of 21000689 is 98600012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million six hundred eighty-nine

Notation

Scientific notation	2.1000689 × 10^7
Engineering notation	2.1000689 × 10^6

Prime Factorization of 21000689

Prime Factorization 21000689

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21000689	Product of the distinct prime numbers

The prime factorization of 21000689 is 21000689. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 1, 76, 59, 344, 314, 7556, 2780, 86121, 52812, 494885, 752076, 7231969, 8456515, 50926228, 54460288, 741355083, 671386454, 5963796210, 3409387478

Basic calculations (n = 21000689)

Multiplication

n×y

n×2	42001378
n×3	63002067
n×4	84002756
n×5	105003445

Division

n÷y

n÷2	10500344.5
n÷3	7000229.6666667
n÷3	5250172.25
n÷5	4200137.8

Exponentiation

n^y

n²	441028938474721
n³	9.2619115769078E+21
n⁴	1.9450652457214E+29
n⁵	4.0847710310104E+36

Nth Root

^y√n

²√n	4582.6508704024
³√n	275.89543490473
⁴√n	67.695279528209
⁵√n	29.137125777043

Divisors of 21000689

1, 21000689

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21000690	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500345	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.6509795096	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999904765	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000689 can be divided by 2 positive divisors. The sum of these divisors (counting 21000689) is 21000690, the average is 10500345.

Base conversion 21000689

Base	System	Value
2	Binary	1010000000111000111110001
3	Ternary	1110111221112022
4	Quaternary	1100013013301
5	Quinary	20334010224
6	Senary	2030041225
8	Octal	120070761
10	Decimal	21000689
12	Duodecimal	7049215
16	Hexadecimal	14071f1
20	Vigesimal	6b51e9
36	Base36	ci48h

Cryptographic Hash Functions

md5	6041f40af1229b221be33809d9dc61a2
sha1	69677b24b06fd3ebc56c79b1858b03b6ffbcb205
sha256	214b19945cb1ff62b4419d409e1c204d708228adf7092135927ce878130f949d
sha512	3b5cd8e2f69ce6f383dc3920b45d342adb4a2da8ce4d09d8f1597da865fb915cd46979e6a16a004f498e57dde972d4ef4c845e3dca0e70dba90ff893e107d904
ripemd-160	19666c3287554673e7938898bab54a9626595544

21000689 as geometric shapes

Circle

Radius = n

Diameter	42001378
Circumference	131951220.56545
Area	1.3855332731327E+15

Sphere

Radius = n

Volume	3.8796204490949E+22
Surface area	5.5421330925308E+15
Circumference	131951220.56545

Square

Length = n

Perimeter	84002756
Area	441028938474721
Diagonal	29699459.202979

Cube

Length = n

Surface area	2646173630848326
Volume	9.2619115769078E+21
Space diagonal	36374260.341953

Equilateral Triangle

Length = n

Perimeter	63002067
Area	1.909711322616E+14
Altitude	18187130.170976

Triangular Pyramid

Length = n

Surface area	1.909711322616E+14
Volume	1.0915267471303E+21
Height	9899819.7343265