21090930 is an even 8-digits composite number following 21090929
and preceding 21090931 . In scientific notation, it is written as 2.1090930 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 4745664 positive integers (up to 21090930) that are relatively prime to 21090930.
21090930 has 32 divisors, whose sum is 40392000
The reverse of 21090930 is 03909012
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million ninety thousand nine hundred thirty
Scientific notation
2.1090930 × 10^7
Engineering notation
2.1090930 × 10^6
Prime Factorization
2 × 21 × 5 × 67 × 1499
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21090930
Product of the distinct prime numbers
The prime factorization of 21090930 is 2 × 21 × 5 × 67 × 1499.
Since it has a total of 5 prime factors.
2 , 9 , 29 , 16 , 656 , 428 , 613 , 8763 , 74768 , 70394 , 558605 , 249506 , 134632 , 9190000 , 65849826 , 61931528 , 855105497 , 875356401 , 533028870 , 2170524938
n×2
42181860
n×3
63272790
n×4
84363720
n×5
105454650
n÷2
10545465
n÷3
7030310
n÷3
5272732.5
n÷5
4218186
n2
444827328264900
n3
9.381822042522E+21
n4
1.9787135197129E+29
n5
4.1732908334318E+36
2 √n
4592.4862547426
3 √n
276.29004899735
4 √n
67.767885128154
5 √n
29.162123581472
1 , 2 , 5 , 10 , 21 , 42 , 67 , 105 , 134 , 210 , 335 , 670 , 1407 , 1499 , 2814 , 2998 , 7035 , 7495 , 14070 , 14990 , 31479 , 62958 , 100433 , 157395 , 200866 , 314790 , 502165 , 1004330 , 2109093 , 4218186 , 10545465 , 21090930
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21090929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21090930 can be divided by 32 positive divisors.
The sum of these divisors (counting 21090930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011101001001110010
3
Ternary
1110200112022120
4
Quaternary
1100131021302
5
Quinary
20344402210
6
Senary
2032015110
8
Octal
120351162
10
Decimal
21090930
12
Duodecimal
7091496
16
Hexadecimal
141d272
20
Vigesimal
6bg76a
36
Base36
ck1v6
md5
321de31576861a6768e12c0de3749348
sha1
6f013ffa4a0bcec7b1c372cc5cd3016280195dd4
sha256
f87dde8a1e493a6068a40c69387b042d37afc34f7c6ce5cb85fc01b9f617e420
sha512
aaf883e08b5f4201d2034333d237af2161a9d7cbbc7bdbf2e01f0cddb9f1201b2b8fda0994afbc8b22a22d92d776b41474f1c48bfecc28ab8b1f7d2a28a802f5
ripemd-160
36db81550fdc84942f5410b4d64ccc685054e585
Diameter
42181860
Circumference
132518221.49075
Area
1.397466266593E+15
Volume
3.9298484274765E+22
Surface area
5.5898650663719E+15
Circumference
132518221.49075
Perimeter
84363720
Area
444827328264900
Diagonal
29827079.249062
Surface area
2668963969589400
Volume
9.381822042522E+21
Space diagonal
36530562.338879
Perimeter
63272790
Area
1.9261588328748E+14
Altitude
18265281.169439
Surface area
1.9261588328748E+14
Volume
1.1056583310255E+21
Height
9942359.7496872