21086961 is an odd 8-digits composite number following 21086960
and preceding 21086962 . In scientific notation, it is written as 2.1086961 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 12049680 positive integers (up to 21086961) that are relatively prime to 21086961.
21086961 has 8 divisors, whose sum is 32132544
The reverse of 21086961 is 16968012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-six thousand nine hundred sixty-one
Scientific notation
2.1086961 × 10^7
Engineering notation
2.1086961 × 10^6
Prime Factorization
3 × 7 × 1004141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21086961
Product of the distinct prime numbers
The prime factorization of 21086961 is 3 × 7 × 1004141.
Since it has a total of 3 prime factors.
7 , 10 , 46 , 6 , 347 , 307 , 9166 , 3141 , 29955 , 33965 , 958981 , 655025 , 8254924 , 5709903 , 48429347 , 68407193 , 264858099 , 887846444 , 5305738867 , 6072175822
n×2
42173922
n×3
63260883
n×4
84347844
n×5
105434805
n÷2
10543480.5
n÷3
7028987
n÷3
5271740.25
n÷5
4217392.2
n2
444659924215521
n3
9.3765264801956E+21
n4
1.9772244820335E+29
n5
4.1693655540886E+36
2 √n
4592.0541155348
3 √n
276.27271668121
4 √n
67.764696675591
5 √n
29.161025923076
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
-21086960
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 21086961 can be divided by 8 positive divisors.
The sum of these divisors (counting 21086961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100001011110001
3
Ternary
1110200022212120
4
Quaternary
1100130023301
5
Quinary
20344240321
6
Senary
2031544453
8
Octal
120341361
10
Decimal
21086961
12
Duodecimal
708b129
16
Hexadecimal
141c2f1
20
Vigesimal
6bfh81
36
Base36
cjysx
md5
588ac36f7f4a02f57c7ce687c86d0a49
sha1
8bc8ab4c93f2072accf4428c448c4ef161fe9e81
sha256
212312464eeacc66a2fb95cd020d538da22d2651a5b1fa88c11a88ff515dd954
sha512
6da3c7db73907454d1f27f0d40b7b129a9ed1e96251f8b9a8d0290d7685290935940370f3af8d399e61e7997c632db3048297698f72a785b197fce3c9f578a3b
ripemd-160
d6ff51b0856f9bc7e575234b8ce55e1f502acdfc
Diameter
42173922
Circumference
132493283.52827
Area
1.3969403512613E+15
Volume
3.9276302275164E+22
Surface area
5.5877614050451E+15
Circumference
132493283.52827
Perimeter
84347844
Area
444659924215521
Diagonal
29821466.235433
Surface area
2667959545293126
Volume
9.3765264801956E+21
Space diagonal
36523687.829223
Perimeter
63260883
Area
1.9254339520775E+14
Altitude
18261843.914612
Surface area
1.9254339520775E+14
Volume
1.1050342430203E+21
Height
9940488.7451442