21086873 is an odd 8-digits composite number following 21086872
and preceding 21086874 . In scientific notation, it is written as 2.1086873 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 21069108 positive integers (up to 21086873) that are relatively prime to 21086873.
21086873 has 4 divisors, whose sum is 21104640
The reverse of 21086873 is 37868012
Previous prime number is 1279
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-six thousand eight hundred seventy-three
Scientific notation
2.1086873 × 10^7
Engineering notation
2.1086873 × 10^6
Prime Factorization
1279 × 16487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21086873
Product of the distinct prime numbers
The prime factorization of 21086873 is 1279 × 16487.
Since it has a total of 2 prime factors.
10 , 8 , 93 , 100 , 675 , 506 , 3725 , 5313 , 6248 , 39812 , 941632 , 618515 , 8541402 , 6623266 , 80488547 , 33823858 , 626603463 , 135119706 , 183555084 , 4588862173
n×2
42173746
n×3
63260619
n×4
84347492
n×5
105434365
n÷2
10543436.5
n÷3
7028957.6666667
n÷3
5271718.25
n÷5
4217374.6
n2
444656212918129
n3
9.3764090904655E+21
n4
1.9771914768669E+29
n5
4.1692785569375E+36
2 √n
4592.0445337562
3 √n
276.27233236737
4 √n
67.764625976657
5 √n
29.161001584106
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086872
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086873 can be divided by 4 positive divisors.
The sum of these divisors (counting 21086873) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011100001010011001
3
Ternary
1110200022202022
4
Quaternary
1100130022121
5
Quinary
20344234443
6
Senary
2031544225
8
Octal
120341231
10
Decimal
21086873
12
Duodecimal
708b075
16
Hexadecimal
141c299
20
Vigesimal
6bfh3d
36
Base36
cjyqh
md5
a87277cc1c6c815a099a215536fe7c99
sha1
9b81611c1bb3a615c007bbbeb497ea7444c28e37
sha256
0aed37728547d911233d4dac82e774ec12cac4c5323268453e37aba7cc30d7c1
sha512
ff2c290931c8d2d6cfbb25389c2eb8211e6ff51eaabc2e541e37bed02f1f66b17a67a0d09104a673faaca383aac736cea71a561f7410fa7b2155e10c41481b75
ripemd-160
f5c4e204ecd728b783839129fbe64b8893477cd4
Diameter
42173746
Circumference
132492730.60796
Area
1.3969286918767E+15
Volume
3.9275810554212E+22
Surface area
5.5877147675066E+15
Circumference
132492730.60796
Perimeter
84347492
Area
444656212918129
Diagonal
29821341.784639
Surface area
2667937277508774
Volume
9.3764090904655E+21
Space diagonal
36523535.408752
Perimeter
63260619
Area
1.9254178816884E+14
Altitude
18261767.704376
Surface area
1.9254178816884E+14
Volume
1.1050204085079E+21
Height
9940447.2615463