21122913 is an odd 8-digits composite number following 21122912
and preceding 21122914 . In scientific notation, it is written as 2.1122913 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 11775360 positive integers (up to 21122913) that are relatively prime to 21122913.
21122913 has 16 divisors, whose sum is 32973696
The reverse of 21122913 is 31922112
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred twenty-two thousand nine hundred thirteen
Scientific notation
2.1122913 × 10^7
Engineering notation
2.1122913 × 10^6
Prime Factorization
3 × 7 × 41 × 24533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21122913
Product of the distinct prime numbers
The prime factorization of 21122913 is 3 × 7 × 41 × 24533.
Since it has a total of 4 prime factors.
8 , 8 , 44 , 22 , 438 , 133 , 8332 , 2123 , 82168 , 50462 , 677060 , 170263 , 1701767 , 4595249 , 24696446 , 1749763 , 42152062 , 577070864 , 2708649822 , 4319972714
n×2
42245826
n×3
63368739
n×4
84491652
n×5
105614565
n÷2
10561456.5
n÷3
7040971
n÷3
5280728.25
n÷5
4224582.6
n2
446177453605569
n3
9.424567535072E+21
n4
1.9907432010595E+29
n5
4.2050295441321E+36
2 √n
4595.9670364353
3 √n
276.42963698924
4 √n
67.793561909929
5 √n
29.170962707735
1 , 3 , 7 , 21 , 41 , 123 , 287 , 861 , 24533 , 73599 , 171731 , 515193 , 1005853 , 3017559 , 7040971 , 21122913
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
-21122912
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 21122913 can be divided by 16 positive divisors.
The sum of these divisors (counting 21122913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100100111101100001
3
Ternary
1110202011012010
4
Quaternary
1100210331201
5
Quinary
20401413123
6
Senary
2032423133
8
Octal
120447541
10
Decimal
21122913
12
Duodecimal
70a7aa9
16
Hexadecimal
1424f61
20
Vigesimal
6c075d
36
Base36
ckqjl
md5
cf4d1b28057622d366139fa022b4246d
sha1
634052fe60a7849c0214414a85eeb54b6c6c2f08
sha256
8e612e4ca64edf3cd20650a0076e333726ca9acc1a941475b0d75164b423ecbb
sha512
0a03bf300fe55d1fef6904599acf6f20fac7de4e12e224db7387eb0e5d07af944aa81054e2ad913450cb049551963be0f73b62d114ddc4325b7bce7ac5c8ead1
ripemd-160
4221c2837c316d705efd5358baeb5bec1e9dbdfe
Diameter
42245826
Circumference
132719176.60643
Area
1.4017078104447E+15
Volume
3.9477536175257E+22
Surface area
5.6068312417786E+15
Circumference
132719176.60643
Perimeter
84491652
Area
446177453605569
Diagonal
29872310.041427
Surface area
2677064721633414
Volume
9.424567535072E+21
Space diagonal
36585958.519857
Perimeter
63368739
Area
1.9320050470914E+14
Altitude
18292979.259929
Surface area
1.9320050470914E+14
Volume
1.1106959356333E+21
Height
9957436.6804757