21331954 is an even 8-digits composite number following 21331953
and preceding 21331955 . In scientific notation, it is written as 2.1331954 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9053856 positive integers (up to 21331954) that are relatively prime to 21331954.
21331954 has 16 divisors, whose sum is 36635328
The reverse of 21331954 is 45913312
Previous prime number is 763
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred thirty-one thousand nine hundred fifty-four
Scientific notation
2.1331954 × 10^7
Engineering notation
2.1331954 × 10^6
Prime Factorization
2 × 7 × 763 × 1997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21331954
Product of the distinct prime numbers
The prime factorization of 21331954 is 2 × 7 × 763 × 1997.
Since it has a total of 4 prime factors.
6 , 5 , 18 , 38 , 794 , 169 , 4533 , 5212 , 32023 , 11364 , 513930 , 7206 , 9362411 , 3129558 , 22999398 , 78862254 , 395492268 , 993264236 , 9770501498 , 8005001697
n×2
42663908
n×3
63995862
n×4
85327816
n×5
106659770
n÷2
10665977
n÷3
7110651.3333333
n÷3
5332988.5
n÷5
4266390.8
n2
455052261458116
n3
9.7071539090205E+21
n4
2.0707256065815E+29
n5
4.4172623386218E+36
2 √n
4618.65283389
3 √n
277.33853225944
4 √n
67.960671228954
5 √n
29.228473057083
1 , 2 , 7 , 14 , 763 , 1526 , 1997 , 3994 , 5341 , 10682 , 13979 , 27958 , 1523711 , 3047422 , 10665977 , 21331954
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
-21331953
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 21331954 can be divided by 16 positive divisors.
The sum of these divisors (counting 21331954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010111111111110010
3
Ternary
1111010202221101
4
Quaternary
1101113333302
5
Quinary
20430110304
6
Senary
2041115014
8
Octal
121277762
10
Decimal
21331954
12
Duodecimal
7188a6a
16
Hexadecimal
1457ff2
20
Vigesimal
6d69he
36
Base36
cp7ua
md5
649cd15cdd1f7b49e0ab038e32464ec9
sha1
ba8679726c3038807872343694d53a73eb9d6a74
sha256
84d8cee0263e9fffc654d4b7a6bc510d5d96e6166ef84f68d3e28bb254f9f31e
sha512
d096e2c34d59c29d8dcee6e6ee2e901d22a417aa8f3f6f4724c61253b2b1dc5cc52743981d8defb172c08b2ab1ccf17b8c473db80685d3260d664e5ce1a41b3a
ripemd-160
e2ad45b47ea9218dd3184b7dea2644bc0bd72b8a
Diameter
42663908
Circumference
134032619.94623
Area
1.4295888415962E+15
Volume
4.0661231210459E+22
Surface area
5.718355366385E+15
Circumference
134032619.94623
Perimeter
85327816
Area
455052261458116
Diagonal
30167938.658719
Surface area
2730313568748696
Volume
9.7071539090205E+21
Space diagonal
36948028.152722
Perimeter
63995862
Area
1.9704340923614E+14
Altitude
18474014.076361
Surface area
1.9704340923614E+14
Volume
1.1439990591817E+21
Height
10055979.552906