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

21006931 (number)

21006931 is an odd 8-digits composite number following 21006930 and preceding 21006932. In scientific notation, it is written as 2.1006931 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 18944640 positive integers (up to 21006931) that are relatively prime to 21006931.

Interesting facts

21006931 has 8 divisors, whose sum is 21350000
The reverse of 21006931 is 13960012
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million six thousand nine hundred thirty-one

Notation

Scientific notation	2.1006931 × 10^7
Engineering notation	2.1006931 × 10^6

Prime Factorization of 21006931

Prime Factorization 121 × 139 × 1249

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21006931	Product of the distinct prime numbers

The prime factorization of 21006931 is 121 × 139 × 1249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 69, 65, 400, 179, 615, 3199, 57956, 91612, 411301, 20796, 509495, 1871804, 15096066, 58195412, 448997500, 134478316, 6076396401, 5461768630

Basic calculations (n = 21006931)

Multiplication

n×y

n×2	42013862
n×3	63020793
n×4	84027724
n×5	105034655

Division

n÷y

n÷2	10503465.5
n÷3	7002310.3333333
n÷3	5251732.75
n÷5	4201386.2

Exponentiation

n^y

n²	441291150038761
n³	9.2701727397749E+21
n⁴	1.9473787910253E+29
n⁵	4.0908451893932E+36

Nth Root

^y√n

²√n	4583.3318666664
³√n	275.92276684465
⁴√n	67.700309206579
⁵√n	29.138857647075

Divisors of 21006931

1, 121, 139, 1249, 16819, 151129, 173611, 21006931

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21006930	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006931 can be divided by 8 positive divisors. The sum of these divisors (counting 21006931) is 1, the average is 0.125.

Base conversion 21006931

Base	System	Value
2	Binary	1010000001000101001010011
3	Ternary	1110112021002111
4	Quaternary	1100020221103
5	Quinary	20334210211
6	Senary	2030130151
8	Octal	120105123
10	Decimal	21006931
12	Duodecimal	7050957
16	Hexadecimal	1408a53
20	Vigesimal	6b5h6b
36	Base36	ci91v

Cryptographic Hash Functions

md5	be4598fc4d8e4b59d52dc980778a8796
sha1	47d9e2f4485dd452036808cc7ab8f191df9d9cd5
sha256	8658fc101e747f9d2312809202c292fcb20f135d551f6113682637d8ebd40bf7
sha512	9abdf1aa802cac62c6e62f9d008f155982dbd2171340ef770a338f86a585c0755cd47482431644aa48ecf53a6585b7dead14633b6599ef1b3ec2d50fed607501
ripemd-160	811ba44016e5fb80f1e75deeaef5ef7c847883bd

21006931 as geometric shapes

Circle

Radius = n

Diameter	42013862
Circumference	131990440.20814
Area	1.386357035056E+15

Sphere

Radius = n

Volume	3.8830808769047E+22
Surface area	5.5454281402239E+15
Circumference	131990440.20814

Square

Length = n

Perimeter	84027724
Area	441291150038761
Diagonal	29708286.724036

Cube

Length = n

Surface area	2647746900232566
Volume	9.2701727397749E+21
Space diagonal	36385071.803094

Equilateral Triangle

Length = n

Perimeter	63020793
Area	1.9108467319941E+14
Altitude	18192535.901547

Triangular Pyramid

Length = n

Surface area	1.9108467319941E+14
Volume	1.0925003345109E+21
Height	9902762.2413453