21087435 is an odd 8-digits composite number following 21087434
and preceding 21087436 . In scientific notation, it is written as 2.1087435 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10188288 positive integers (up to 21087435) that are relatively prime to 21087435.
21087435 has 16 divisors, whose sum is 27031200
The reverse of 21087435 is 53478012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-seven thousand four hundred thirty-five
Scientific notation
2.1087435 × 10^7
Engineering notation
2.1087435 × 10^6
Prime Factorization
69 × 19 × 5 × 3217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21087435
Product of the distinct prime numbers
The prime factorization of 21087435 is 69 × 19 × 5 × 3217.
Since it has a total of 4 prime factors.
4 , 8 , 55 , 35 , 623 , 816 , 1885 , 994 , 39118 , 97619 , 891445 , 628686 , 4898899 , 2910045 , 25259903 , 45899266 , 440214244 , 874440942 , 6142132333 , 8948719538
n×2
42174870
n×3
63262305
n×4
84349740
n×5
105437175
n÷2
10543717.5
n÷3
7029145
n÷3
5271858.75
n÷5
4217487
n2
444679914879225
n3
9.3771588008212E+21
n4
1.9774022669699E+29
n5
4.1698341773581E+36
2 √n
4592.1057261348
3 √n
276.27478671691
4 √n
67.765077481951
5 √n
29.161157020222
1 , 5 , 19 , 69 , 95 , 345 , 1311 , 3217 , 6555 , 16085 , 61123 , 221973 , 305615 , 1109865 , 4217487 , 21087435
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
-21087434
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 21087435 can be divided by 16 positive divisors.
The sum of these divisors (counting 21087435) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011100010011001011
3
Ternary
1110200100112010
4
Quaternary
1100130103023
5
Quinary
20344244220
6
Senary
2031551003
8
Octal
120342313
10
Decimal
21087435
12
Duodecimal
708b463
16
Hexadecimal
141c4cb
20
Vigesimal
6bfibf
36
Base36
cjz63
md5
76df5c1633705057d96f3658aafda073
sha1
1d3102ac3207a85f3a0422dbd948821ecae4eeaa
sha256
550812ce16a0361d17d7a953020b15104826e132a1e49654450f31e2975e47a8
sha512
96aa68042772c79cba528d7947fc3477ec46357a0deee17f06248ee3045b7f4a2465acb14ad7a870445d156591218ffc12618e78cdf65807ca1b73310f6b9945
ripemd-160
c581c23881ecaabcaf6e34f71d12f3f7df9fd218
Diameter
42174870
Circumference
132496261.7581
Area
1.3970031537835E+15
Volume
3.9278950933606E+22
Surface area
5.588012615134E+15
Circumference
132496261.7581
Perimeter
84349740
Area
444679914879225
Diagonal
29822136.572661
Surface area
2668079489275350
Volume
9.3771588008212E+21
Space diagonal
36524508.821306
Perimeter
63262305
Area
1.9255205141906E+14
Altitude
18262254.410653
Surface area
1.9255205141906E+14
Volume
1.1051087627206E+21
Height
9940712.190887