21090964 is an even 8-digits composite number following 21090963
and preceding 21090965 . In scientific notation, it is written as 2.1090964 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10418264 positive integers (up to 21090964) that are relatively prime to 21090964.
21090964 has 12 divisors, whose sum is 37354464
The reverse of 21090964 is 46909012
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety thousand nine hundred sixty-four
Scientific notation
2.1090964 × 10^7
Engineering notation
2.1090964 × 10^6
Prime Factorization
2 × 2 × 83 × 63527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10545482
Product of the distinct prime numbers
The prime factorization of 21090964 is 2 × 2 × 83 × 63527.
Since it has a total of 4 prime factors.
5 , 3 , 83 , 60 , 234 , 942 , 9898 , 8341 , 28961 , 26346 , 689355 , 435277 , 3775209 , 6645182 , 48750940 , 16196928 , 302908121 , 34714811 , 8078959791 , 4129568345
n×2
42181928
n×3
63272892
n×4
84363856
n×5
105454820
n÷2
10545482
n÷3
7030321.3333333
n÷3
5272741
n÷5
4218192.8
n2
444828762449296
n3
9.3818674149827E+21
n4
1.9787262790217E+29
n5
4.1733244716701E+36
2 √n
4592.4899564398
3 √n
276.29019746333
4 √n
67.767912439736
5 √n
29.162132983728
1 , 2 , 4 , 83 , 166 , 332 , 63527 , 127054 , 254108 , 5272741 , 10545482 , 21090964
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21090963
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21090964 can be divided by 12 positive divisors.
The sum of these divisors (counting 21090964) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011101001010010100
3
Ternary
1110200112100211
4
Quaternary
1100131022110
5
Quinary
20344402324
6
Senary
2032015204
8
Octal
120351224
10
Decimal
21090964
12
Duodecimal
7091504
16
Hexadecimal
141d294
20
Vigesimal
6bg784
36
Base36
ck1w4
md5
a95fc0416f9811477cc36f4f566ccc3f
sha1
26b7043b6af51cb585122da9104d3581f6ae0d25
sha256
cecb8428338246057bbfedfec27ba9b9a1d564a25fea3afb11675ba9a7da13e4
sha512
ab7446ce3fa6e805cd6d9581696aec60709c5ca058dcd9d803a56b5c124e83bf0c15f9c094c6801af43d5c973eabedc85264f755cbdb0abd2d9323a8752460b1
ripemd-160
6f5fb33e7ce0ce88603e2dc6dc087b88795cb831
Diameter
42181928
Circumference
132518435.11905
Area
1.3974707722161E+15
Volume
3.9298674330484E+22
Surface area
5.5898830888646E+15
Circumference
132518435.11905
Perimeter
84363856
Area
444828762449296
Diagonal
29827127.332323
Surface area
2668972574695776
Volume
9.3818674149827E+21
Space diagonal
36530621.228606
Perimeter
63272892
Area
1.9261650430754E+14
Altitude
18265310.614303
Surface area
1.9261650430754E+14
Volume
1.1056636782212E+21
Height
9942375.7774409