21087514 is an even 8-digits composite number following 21087513
and preceding 21087515 . In scientific notation, it is written as 2.1087514 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 8448000 positive integers (up to 21087514) that are relatively prime to 21087514.
21087514 has 32 divisors, whose sum is 38537856
The reverse of 21087514 is 41578012
Previous prime number is 353
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eighty-seven thousand five hundred fourteen
Scientific notation
2.1087514 × 10^7
Engineering notation
2.1087514 × 10^6
Prime Factorization
2 × 7 × 17 × 353 × 251
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21087514
Product of the distinct prime numbers
The prime factorization of 21087514 is 2 × 7 × 17 × 353 × 251.
Since it has a total of 5 prime factors.
8 , 3 , 62 , 75 , 739 , 978 , 129 , 3465 , 4392 , 44869 , 613278 , 320373 , 124776 , 8189773 , 27146998 , 21600066 , 299953835 , 915935997 , 6720858583 , 6808455297
n×2
42175028
n×3
63262542
n×4
84350056
n×5
105437570
n÷2
10543757
n÷3
7029171.3333333
n÷3
5271878.5
n÷5
4217502.8
n2
444683246700196
n3
9.3772641903558E+21
n4
1.9774318989583E+29
n5
4.1699122853329E+36
2 √n
4592.1143278451
3 √n
276.27513171985
4 √n
67.765140949053
5 √n
29.161178869517
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 251 , 353 , 502 , 706 , 1757 , 2471 , 3514 , 4267 , 4942 , 6001 , 8534 , 12002 , 29869 , 42007 , 59738 , 84014 , 88603 , 177206 , 620221 , 1240442 , 1506251 , 3012502 , 10543757 , 21087514
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087513
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087514 can be divided by 32 positive divisors.
The sum of these divisors (counting 21087514) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011100010100011010
3
Ternary
1110200100122001
4
Quaternary
1100130110122
5
Quinary
20344300024
6
Senary
2031551214
8
Octal
120342432
10
Decimal
21087514
12
Duodecimal
708b50a
16
Hexadecimal
141c51a
20
Vigesimal
6bfife
36
Base36
cjz8a
md5
322a812a3a475520bce9cb23d25b1898
sha1
de3aa40d8d48882719774f5db291642b97d6ace2
sha256
61a209f867bd4c9e3f29ea2b2d3dc45bfd863996af7fe22918948e1f072dfbd6
sha512
ab1fa5b9517fce2f98193ba96e257677b92455b965584ec40dab0077a5fcc6c4dd228a7e86f89260cea8c171f5e52624cfa369218f2c5f189e593bf9b805ac4e
ripemd-160
90fe578b29011869eca44f092b0fa3e8aabc9441
Diameter
42175028
Circumference
132496758.12974
Area
1.3970136210078E+15
Volume
3.9279392388257E+22
Surface area
5.5880544840312E+15
Circumference
132496758.12974
Perimeter
84350056
Area
444683246700196
Diagonal
29822248.295533
Surface area
2668099480201176
Volume
9.3772641903558E+21
Space diagonal
36524645.65332
Perimeter
63262542
Area
1.9255349413986E+14
Altitude
18262322.82666
Surface area
1.9255349413986E+14
Volume
1.1051211829964E+21
Height
9940749.4318442