21492956 is an even 8-digits composite number following 21492955
and preceding 21492957 . In scientific notation, it is written as 2.1492956 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 10746476 positive integers (up to 21492956) that are relatively prime to 21492956.
21492956 has 6 divisors, whose sum is 37612680
The reverse of 21492956 is 65929412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand nine hundred fifty-six
Scientific notation
2.1492956 × 10^7
Engineering notation
2.1492956 × 10^6
Prime Factorization
2 × 2 × 5373239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10746478
Product of the distinct prime numbers
The prime factorization of 21492956 is 2 × 2 × 5373239.
Since it has a total of 3 prime factors.
4 , 6 , 97 , 55 , 177 , 359 , 4206 , 8032 , 45003 , 97983 , 679009 , 706947 , 5302119 , 3382189 , 88381860 , 55209989 , 251579699 , 909499539 , 1890125560 , 2076936278
n×2
42985912
n×3
64478868
n×4
85971824
n×5
107464780
n÷2
10746478
n÷3
7164318.6666667
n÷3
5373239
n÷5
4298591.2
n2
461947157617936
n3
9.9286099330074E+21
n4
2.1339517643129E+29
n5
4.58649313765E+36
2 √n
4636.0496114688
3 √n
278.03451773661
4 √n
68.08854243901
5 √n
29.272460586394
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492956 can be divided by 6 positive divisors.
The sum of these divisors (counting 21492956) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111111010011011100
3
Ternary
1111102221210102
4
Quaternary
1101333103130
5
Quinary
21000233311
6
Senary
2044400232
8
Octal
121772334
10
Decimal
21492956
12
Duodecimal
7246078
16
Hexadecimal
147f4dc
20
Vigesimal
6e6c7g
36
Base36
cso2k
md5
4aa6930f1791ab7c33bd6e08bfcda662
sha1
51466a637b9721ac120e3b025c78da1abb6a056c
sha256
3acae348ca0a96044331c6f7c87cd501bfb2f7a27a7ad89135bf5446a0d138ca
sha512
88bc595344fc28892bc3fcd0bfc618a7ae5e320af745f6fb58a6cccbff2a16cc5ad0e1066f54a0670b0148ea9cf1532bcca0e1c2ff8d47fdbad466dee171c00e
ripemd-160
8fe72d95242e7d94c6b7fa6bffd55d7a1f33f438
Diameter
42985912
Circumference
135044225.34706
Area
1.4512497967192E+15
Volume
4.1588864034526E+22
Surface area
5.8049991868768E+15
Circumference
135044225.34706
Perimeter
85971824
Area
461947157617936
Diagonal
30395629.870688
Surface area
2771682945707616
Volume
9.9286099330074E+21
Space diagonal
37226891.796842
Perimeter
64478868
Area
2.0002898685157E+14
Altitude
18613445.898421
Surface area
2.0002898685157E+14
Volume
1.1700979018976E+21
Height
10131876.623563