21492920 is an even 8-digits composite number following 21492919
and preceding 21492921 . In scientific notation, it is written as 2.1492920 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 8319360 positive integers (up to 21492920) that are relatively prime to 21492920.
21492920 has 32 divisors, whose sum is 49921920
The reverse of 21492920 is 02929412
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand nine hundred twenty
Scientific notation
2.1492920 × 10^7
Engineering notation
2.1492920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 31 × 17333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5373230
Product of the distinct prime numbers
The prime factorization of 21492920 is 2 × 2 × 2 × 5 × 31 × 17333.
Since it has a total of 6 prime factors.
6 , 10 , 27 , 6 , 162 , 539 , 5439 , 8290 , 54632 , 39700 , 791088 , 504791 , 2713687 , 6378470 , 39397184 , 98740524 , 353256758 , 222771252 , 618037601 , 257875049
n×2
42985840
n×3
64478760
n×4
85971680
n×5
107464600
n÷2
10746460
n÷3
7164306.6666667
n÷3
5373230
n÷5
4298584
n2
461945610126400
n3
9.9285600427979E+21
n4
2.1339374671505E+29
n5
4.5864547266469E+36
2 √n
4636.0457288513
3 √n
278.03436250361
4 √n
68.08851392747
5 √n
29.272450780304
1 , 2 , 4 , 5 , 8 , 10 , 20 , 31 , 40 , 62 , 124 , 155 , 248 , 310 , 620 , 1240 , 17333 , 34666 , 69332 , 86665 , 138664 , 173330 , 346660 , 537323 , 693320 , 1074646 , 2149292 , 2686615 , 4298584 , 5373230 , 10746460 , 21492920
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
-21492919
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 21492920 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111010010111000
3
Ternary
1111102221202002
4
Quaternary
1101333102320
5
Quinary
21000233140
6
Senary
2044400132
8
Octal
121772270
10
Decimal
21492920
12
Duodecimal
7246048
16
Hexadecimal
147f4b8
20
Vigesimal
6e6c60
36
Base36
cso1k
md5
58c073ed7bc28f6652870fdb6560d37e
sha1
a4c1a691c3a9e67e283214656ddb04753a3d2a32
sha256
9bcb31f06966d2258873faccddf536ea974dcd33d547f8ef85b6179f280a71cd
sha512
80b7e833e62cf9a6700db9c6849e184fc1f9a616cedf55142875d74718ce9b9c6329df47a81ca8f341253291ecfe72d7200c5df8b7c38fb5f3b1df1d7eb70b56
ripemd-160
d27dd9f3b5d87e5d3a4fa95d24c5f7c2b00efcfe
Diameter
42985840
Circumference
135043999.15239
Area
1.4512449351312E+15
Volume
4.1588655054905E+22
Surface area
5.8049797405246E+15
Circumference
135043999.15239
Perimeter
85971680
Area
461945610126400
Diagonal
30395578.959
Surface area
2771673660758400
Volume
9.9285600427979E+21
Space diagonal
37226829.443013
Perimeter
64478760
Area
2.0002831676808E+14
Altitude
18613414.721507
Surface area
2.0002831676808E+14
Volume
1.17009202228E+21
Height
10131859.653