21492954 is an even 8-digits composite number following 21492953
and preceding 21492955 . In scientific notation, it is written as 2.1492954 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6140808 positive integers (up to 21492954) that are relatively prime to 21492954.
21492954 has 16 divisors, whose sum is 40939200
The reverse of 21492954 is 45929412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-two thousand nine hundred fifty-four
Scientific notation
2.1492954 × 10^7
Engineering notation
2.1492954 × 10^6
Prime Factorization
2 × 9 × 7 × 170579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492954
Product of the distinct prime numbers
The prime factorization of 21492954 is 2 × 9 × 7 × 170579.
Since it has a total of 4 prime factors.
4 , 4 , 28 , 15 , 758 , 469 , 962 , 5661 , 65446 , 95494 , 829019 , 385493 , 7127768 , 6691102 , 824530 , 11550937 , 260042772 , 212357148 , 9530702847 , 1817085342
n×2
42985908
n×3
64478862
n×4
85971816
n×5
107464770
n÷2
10746477
n÷3
7164318
n÷3
5373238.5
n÷5
4298590.8
n2
461947071646116
n3
9.9286071613247E+21
n4
2.1339509700242E+29
n5
4.5864910036986E+36
2 √n
4636.0493957679
3 √n
278.03450911256
4 √n
68.088540855036
5 √n
29.272460041611
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 170579 , 341158 , 1194053 , 1535211 , 2388106 , 3070422 , 10746477 , 21492954
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
-21492953
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 21492954 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111010011011010
3
Ternary
1111102221210100
4
Quaternary
1101333103122
5
Quinary
21000233304
6
Senary
2044400230
8
Octal
121772332
10
Decimal
21492954
12
Duodecimal
7246076
16
Hexadecimal
147f4da
20
Vigesimal
6e6c7e
36
Base36
cso2i
md5
1f5f089718fb0578294770b994fb7c7d
sha1
a681dbd0293a25ea0d5ff76b1e9b88d83430c951
sha256
d902e7e0dfb6d1e6d97e491fc1877fab6847aadf8240d85406d7781c466bded2
sha512
6490c0409a329d38cfb4ff7aa5ea4538957c0da738d2ca0aaa758bdc6e60014522f7a2ec9906ff7c7fe4d3b9740f87a226a397fbbc7495bf1f53586d46aeb842
ripemd-160
17ad204fdc1229563d32fa9f6c18ef51b6d7ff7d
Diameter
42985908
Circumference
135044212.78069
Area
1.4512495266308E+15
Volume
4.1588852424529E+22
Surface area
5.804998106523E+15
Circumference
135044212.78069
Perimeter
85971816
Area
461947071646116
Diagonal
30395627.042261
Surface area
2771682429876696
Volume
9.9286071613247E+21
Space diagonal
37226888.332741
Perimeter
64478862
Area
2.0002894962468E+14
Altitude
18613444.16637
Surface area
2.0002894962468E+14
Volume
1.1700975752517E+21
Height
10131875.680754