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

21108749 (number)

21108749 is an odd 8-digits prime number following 21108748 and preceding 21108750. In scientific notation, it is written as 2.1108749 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21108748 positive integers (up to 21108749) that are relatively prime to 21108749.

Interesting facts

21108749 has 2 divisors, whose sum is 21108750
The reverse of 21108749 is 94780112
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million one hundred eight thousand seven hundred forty-nine

Notation

Scientific notation	2.1108749 × 10^7
Engineering notation	2.1108749 × 10^6

Prime Factorization of 21108749

Prime Factorization 21108749

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21108749	Product of the distinct prime numbers

The prime factorization of 21108749 is 21108749. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 29, 28, 538, 817, 6859, 7691, 35112, 29821, 443788, 65380, 256097, 9790859, 67854328, 40400820, 489726672, 276263473, 4882896582, 8620208584

Basic calculations (n = 21108749)

Multiplication

n×y

n×2	42217498
n×3	63326247
n×4	84434996
n×5	105543745

Division

n÷y

n÷2	10554374.5
n÷3	7036249.6666667
n÷3	5277187.25
n÷5	4221749.8

Exponentiation

n^y

n²	445579284345001
n³	9.4056212728383E+21
n⁴	1.985408986374E+29
n⁵	4.1909499955714E+36

Nth Root

^y√n

²√n	4594.4258618461
³√n	276.3678364088
⁴√n	67.782194283204
⁵√n	29.167049531715

Divisors of 21108749

1, 21108749

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21108750	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10554375	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4594.4259706736	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999052526	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108749 can be divided by 2 positive divisors. The sum of these divisors (counting 21108749) is 21108750, the average is 10554375.

Base conversion 21108749

Base	System	Value
2	Binary	1010000100001100000001101
3	Ternary	1110201102202112
4	Quaternary	1100201200031
5	Quinary	20400434444
6	Senary	2032233405
8	Octal	120414015
10	Decimal	21108749
12	Duodecimal	709b865
16	Hexadecimal	142180d
20	Vigesimal	6bibh9
36	Base36	ckfm5

Cryptographic Hash Functions

md5	21ee19752a6a63c36cc01da22555dc30
sha1	8653efccbed26540140aba2396c2693c56358b76
sha256	78aaaef4c23ce795a8d24fd2c2baa7d7f40462c9ece53aa951f2c3e5b5ae55ed
sha512	314f86bcaa5b3b7d39d195595dce00b1f9bf06ff8ed1a26822fca8ddb955e4c527729fa857d2deea030ecb7fcf93b7dabdcd7eb1543f94e0cf1092e6d1a8edda
ripemd-160	bd57268995cfaa6bc147feb901c40bee7b1cf6b5

21108749 as geometric shapes

Circle

Radius = n

Diameter	42217498
Circumference	132630181.56974
Area	1.3998286062901E+15

Sphere

Radius = n

Volume	3.9398174257595E+22
Surface area	5.5993144251602E+15
Circumference	132630181.56974

Square

Length = n

Perimeter	84434996
Area	445579284345001
Diagonal	29852279.12053

Cube

Length = n

Surface area	2673475706070006
Volume	9.4056212728383E+21
Space diagonal	36561425.752219

Equilateral Triangle

Length = n

Perimeter	63326247
Area	1.9294148982143E+14
Altitude	18280712.876109

Triangular Pyramid

Length = n

Surface area	1.9294148982143E+14
Volume	1.1084630972161E+21
Height	9950759.7068432