21087364 is an even 8-digits composite number following 21087363
and preceding 21087365 . In scientific notation, it is written as 2.1087364 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 10321920 positive integers (up to 21087364) that are relatively prime to 21087364.
21087364 has 24 divisors, whose sum is 37687608
The reverse of 21087364 is 46378012
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-seven thousand three hundred sixty-four
Scientific notation
2.1087364 × 10^7
Engineering notation
2.1087364 × 10^6
Prime Factorization
2 × 2 × 257 × 73 × 281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10543682
Product of the distinct prime numbers
The prime factorization of 21087364 is 2 × 2 × 257 × 73 × 281.
Since it has a total of 5 prime factors.
6 , 10 , 21 , 16 , 495 , 422 , 5288 , 5805 , 10293 , 84549 , 46695 , 802737 , 5290532 , 8799666 , 98416843 , 49564191 , 956007268 , 207750264 , 9691217578 , 8469938353
n×2
42174728
n×3
63262092
n×4
84349456
n×5
105436820
n÷2
10543682
n÷3
7029121.3333333
n÷3
5271841
n÷5
4217472.8
n2
444676920468496
n3
9.3770640843182E+21
n4
1.9773756359735E+29
n5
4.1697639800504E+36
2 √n
4592.09799547
3 √n
276.27447665025
4 √n
67.765020441744
5 √n
29.161137383457
1 , 2 , 4 , 73 , 146 , 257 , 281 , 292 , 514 , 562 , 1028 , 1124 , 18761 , 20513 , 37522 , 41026 , 72217 , 75044 , 82052 , 144434 , 288868 , 5271841 , 10543682 , 21087364
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087363
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087364 can be divided by 24 positive divisors.
The sum of these divisors (counting 21087364) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011100010010000100
3
Ternary
1110200100102111
4
Quaternary
1100130102010
5
Quinary
20344243424
6
Senary
2031550404
8
Octal
120342204
10
Decimal
21087364
12
Duodecimal
708b404
16
Hexadecimal
141c484
20
Vigesimal
6bfi84
36
Base36
cjz44
md5
1d173436de61573caeb85f55bdf5476f
sha1
c19fcb0bb6ce55e15008d6a74a79165a8b3c7762
sha256
e2a599429d64b22463c9d3201d279127f0ae7b977ef886b16a7af0d674a058a6
sha512
e7936b8d3236d61569340b8b95d1953e8640dd5c2e41ec422e6ede042bf80f4863e0be31f30bf634752ec8c31bc1a24ad02720c57c84487666a79c50d072779b
ripemd-160
b50c3435ba78656343d703bac8d344c683c99ee0
Diameter
42174728
Circumference
132495815.65195
Area
1.3969937465648E+15
Volume
3.9278554186046E+22
Surface area
5.587974986259E+15
Circumference
132495815.65195
Perimeter
84349456
Area
444676920468496
Diagonal
29822036.163498
Surface area
2668061522810976
Volume
9.3770640843182E+21
Space diagonal
36524385.845699
Perimeter
63262092
Area
1.9255075480117E+14
Altitude
18262192.922849
Surface area
1.9255075480117E+14
Volume
1.1050976002737E+21
Height
9940678.7211661