21087533 is an odd 8-digits composite number following 21087532
and preceding 21087534 . In scientific notation, it is written as 2.1087533 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 20347200 positive integers (up to 21087533) that are relatively prime to 21087533.
21087533 has 8 divisors, whose sum is 21831936
The reverse of 21087533 is 33578012
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eighty-seven thousand five hundred thirty-three
Scientific notation
2.1087533 × 10^7
Engineering notation
2.1087533 × 10^6
Prime Factorization
31 × 433 × 1571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21087533
Product of the distinct prime numbers
The prime factorization of 21087533 is 31 × 433 × 1571.
Since it has a total of 3 prime factors.
3 , 3 , 65 , 45 , 344 , 35 , 1302 , 1950 , 40954 , 96792 , 700762 , 997788 , 3685020 , 6328019 , 56142029 , 35490256 , 952553458 , 319735088 , 4015503775 , 1709968275
n×2
42175066
n×3
63262599
n×4
84350132
n×5
105437665
n÷2
10543766.5
n÷3
7029177.6666667
n÷3
5271883.25
n÷5
4217506.6
n2
444684048026089
n3
9.3772895373237E+21
n4
1.9774390256887E+29
n5
4.1699310709698E+36
2 √n
4592.1163966084
3 √n
276.27521469511
4 √n
67.765156213267
5 √n
29.161184124401
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
-21087532
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 21087533 can be divided by 8 positive divisors.
The sum of these divisors (counting 21087533) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100010100101101
3
Ternary
1110200100122202
4
Quaternary
1100130110231
5
Quinary
20344300113
6
Senary
2031551245
8
Octal
120342455
10
Decimal
21087533
12
Duodecimal
708b525
16
Hexadecimal
141c52d
20
Vigesimal
6bfigd
36
Base36
cjz8t
md5
ec083a77c9bb3f224af3c9b9c3bdd26d
sha1
a45acf545f50333c89f1963d9ec29d501999bd15
sha256
4e9fbe04889ed5a0d381eb930511e22b042ac6f78835da40190bc02e689ba545
sha512
85beb1f92e7696805e03f47d9caa70fee76bc021fe32b2e818bd3055f9ba9580f4837db8f998c8d867951cd8c41671c0b4bb83ab213ef13b40c7bc871a8bda51
ripemd-160
97e576355942ccadaecc0f42366c54d210e6d004
Diameter
42175066
Circumference
132496877.51026
Area
1.3970161384473E+15
Volume
3.9279498561388E+22
Surface area
5.5880645537893E+15
Circumference
132496877.51026
Perimeter
84350132
Area
444684048026089
Diagonal
29822275.16559
Surface area
2668104288156534
Volume
9.3772895373237E+21
Space diagonal
36524678.562285
Perimeter
63262599
Area
1.9255384112415E+14
Altitude
18262339.281143
Surface area
1.9255384112415E+14
Volume
1.1051241701652E+21
Height
9940758.3885301