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

21308921 (number)

21308921 is an odd 8-digits prime number following 21308920 and preceding 21308922. In scientific notation, it is written as 2.1308921 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21308920 positive integers (up to 21308921) that are relatively prime to 21308921.

Interesting facts

21308921 has 2 divisors, whose sum is 21308922
The reverse of 21308921 is 12980312
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 three hundred eight thousand nine hundred twenty-one

Notation

Scientific notation	2.1308921 × 10^7
Engineering notation	2.1308921 × 10^6

Prime Factorization of 21308921

Prime Factorization 21308921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21308921	Product of the distinct prime numbers

The prime factorization of 21308921 is 21308921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 10, 90, 97, 97, 902, 2573, 1848, 20831, 59659, 846169, 86504, 6308483, 4462534, 26744399, 1146158, 949647851, 859159247, 6625557034, 5650538687

Basic calculations (n = 21308921)

Multiplication

n×y

n×2	42617842
n×3	63926763
n×4	85235684
n×5	106544605

Division

n÷y

n÷2	10654460.5
n÷3	7102973.6666667
n÷3	5327230.25
n÷5	4261784.2

Exponentiation

n^y

n²	454070114184241
n³	9.675744191613E+21
n⁴	2.0617966859529E+29
n⁵	4.3934662699032E+36

Nth Root

^y√n

²√n	4616.1586844475
³√n	277.23867832042
⁴√n	67.942318803876
⁵√n	29.222158489091

Divisors of 21308921

1, 21308921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21308922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10654461	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4616.1587927627	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999061426	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21308921 can be divided by 2 positive divisors. The sum of these divisors (counting 21308921) is 21308922, the average is 10654461.

Base conversion 21308921

Base	System	Value
2	Binary	1010001010010010111111001
3	Ternary	1111002121100022
4	Quaternary	1101102113321
5	Quinary	20423341141
6	Senary	2040420225
8	Octal	121222771
10	Decimal	21308921
12	Duodecimal	7177675
16	Hexadecimal	14525f9
20	Vigesimal	6d3c61
36	Base36	coq2h

Cryptographic Hash Functions

md5	377a77817203a75a6741a0d9240e21b7
sha1	19720a2371ae544a5b5bfa526dac39946dff5c17
sha256	0fced120afdd877231b82ae7dcbe0b54ce16e99163e2f8307755be044ca64501
sha512	b82298213093ca65332154c3b094d2d0ddee8aba17f0f9346d76e121be4f2af9b57ba76e26362dffab0d319c9b49d5caedeb47562637df8f12dde6916019d324
ripemd-160	2e9d909754c2bb85fce52a2ceae901ad55c7bbe1

21308921 as geometric shapes

Circle

Radius = n

Diameter	42617842
Circumference	133887899.33905
Area	1.4265033349359E+15

Sphere

Radius = n

Volume	4.0529662493847E+22
Surface area	5.7060133397436E+15
Circumference	133887899.33905

Square

Length = n

Perimeter	85235684
Area	454070114184241
Diagonal	30135365.077737

Cube

Length = n

Surface area	2724420685105446
Volume	9.675744191613E+21
Space diagonal	36908133.826471

Equilateral Triangle

Length = n

Perimeter	63926763
Area	1.9661812699143E+14
Altitude	18454066.913236

Triangular Pyramid

Length = n

Surface area	1.9661812699143E+14
Volume	1.140297388486E+21
Height	10045121.692579