21049105 is an odd 8-digits composite number following 21049104
and preceding 21049106 . In scientific notation, it is written as 2.1049105 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 13121280 positive integers (up to 21049105) that are relatively prime to 21049105.
21049105 has 16 divisors, whose sum is 31492224
The reverse of 21049105 is 50194012
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million forty-nine thousand one hundred five
Scientific notation
2.1049105 × 10^7
Engineering notation
2.1049105 × 10^6
Prime Factorization
5 × 7 × 11 × 54673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21049105
Product of the distinct prime numbers
The prime factorization of 21049105 is 5 × 7 × 11 × 54673.
Since it has a total of 4 prime factors.
8 , 6 , 4 , 40 , 140 , 375 , 9339 , 9160 , 82122 , 14032 , 600284 , 575336 , 764731 , 6394520 , 89533196 , 43571704 , 627735985 , 496830829 , 2319353199 , 8859622788
n×2
42098210
n×3
63147315
n×4
84196420
n×5
105245525
n÷2
10524552.5
n÷3
7016368.3333333
n÷3
5262276.25
n÷5
4209821
n2
443064821301025
n3
9.3261179453715E+21
n4
1.9630643587451E+29
n5
4.1320747808983E+36
2 √n
4587.9303612849
3 √n
276.10729305378
4 √n
67.734262831191
5 √n
29.150548231488
1 , 5 , 7 , 11 , 35 , 55 , 77 , 385 , 54673 , 273365 , 382711 , 601403 , 1913555 , 3007015 , 4209821 , 21049105
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21049104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21049105 can be divided by 16 positive divisors.
The sum of these divisors (counting 21049105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010010111100010001
3
Ternary
1110121101221111
4
Quaternary
1100102330101
5
Quinary
20342032410
6
Senary
2031053321
8
Octal
120227421
10
Decimal
21049105
12
Duodecimal
7071241
16
Hexadecimal
1412f11
20
Vigesimal
6bb2f5
36
Base36
cj5ld
md5
0e604dfff513cf307aa1ee2b92d0d050
sha1
79ee8df31bb24c472411ffcff72613661ffc5f34
sha256
162062440d33456b9a5323cf0b47824e529042d46f68325ef2c55d7c80c596e3
sha512
30a640327e0faaf697a5c86c0a93d50122057b101d596b9f1cae6fa6d1c3ce343bb3607d5ef6ed35559e425fbfc938a439e17a62fba4b908f446d6e3e76f6739
ripemd-160
82d9ad339d2bd034b5fef9dd3bd2ad6cc4d5ae3c
Diameter
42098210
Circumference
132255427.26528
Area
1.3919291876634E+15
Volume
3.9065151498255E+22
Surface area
5.5677167506535E+15
Circumference
132255427.26528
Perimeter
84196420
Area
443064821301025
Diagonal
29767929.766815
Surface area
2658388927806150
Volume
9.3261179453715E+21
Space diagonal
36458119.313852
Perimeter
63147315
Area
1.9185269538495E+14
Altitude
18229059.656926
Surface area
1.9185269538495E+14
Volume
1.0990935402196E+21
Height
9922643.2556051