21036487 is an odd 8-digits composite number following 21036486
and preceding 21036488 . In scientific notation, it is written as 2.1036487 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 20654592 positive integers (up to 21036487) that are relatively prime to 21036487.
21036487 has 8 divisors, whose sum is 21422016
The reverse of 21036487 is 78463012
Previous prime number is 1583
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million thirty-six thousand four hundred eighty-seven
Scientific notation
2.1036487 × 10^7
Engineering notation
2.1036487 × 10^6
Prime Factorization
97 × 1583 × 137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21036487
Product of the distinct prime numbers
The prime factorization of 21036487 is 97 × 1583 × 137.
Since it has a total of 3 prime factors.
9 , 4 , 32 , 77 , 487 , 685 , 8290 , 9789 , 30977 , 84003 , 966931 , 96257 , 7122864 , 8130959 , 36347940 , 21184151 , 341928172 , 356851173 , 3845952223 , 5065303234
n×2
42072974
n×3
63109461
n×4
84145948
n×5
105182435
n÷2
10518243.5
n÷3
7012162.3333333
n÷3
5259121.75
n÷5
4207297.4
n2
442533785301169
n3
9.3093562215488E+21
n4
1.9583615113298E+29
n5
4.119704647439E+36
2 √n
4586.5550252886
3 √n
276.05211068843
4 √n
67.724109630829
5 √n
29.147052502369
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21036486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21036487 can be divided by 8 positive divisors.
The sum of these divisors (counting 21036487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001111110111000111
3
Ternary
1110120202122011
4
Quaternary
1100033313013
5
Quinary
20341131422
6
Senary
2030515051
8
Octal
120176707
10
Decimal
21036487
12
Duodecimal
7065a87
16
Hexadecimal
140fdc7
20
Vigesimal
6b9b47
36
Base36
civuv
md5
74f7853d9eda04c92f5bc335df68c2b7
sha1
dbebeb18d3b6aae586e3a5b221de6ab3b2892caf
sha256
7fd684ea5b2f867e61fcbf2788200d82638722f201a4d732ef68cc599260d054
sha512
c24abcfc3bb267d3fed2ee5b41b490c035b2c64b07c0c489778bbddade06d6e3bffb481d06cff6c451171970680c846ca26c039dfafd5854d0f411c67187dde4
ripemd-160
1c4e43eee4d59015f498731eb7defcbf65398a7a
Diameter
42072974
Circumference
132176146.03307
Area
1.3902608888674E+15
Volume
3.8994940153691E+22
Surface area
5.5610435554697E+15
Circumference
132176146.03307
Perimeter
84145948
Area
442533785301169
Diagonal
29750085.220085
Surface area
2655202711807014
Volume
9.3093562215488E+21
Space diagonal
36436264.296762
Perimeter
63109461
Area
1.9162275005185E+14
Altitude
18218132.148381
Surface area
1.9162275005185E+14
Volume
1.0971181521231E+21
Height
9916695.0733618