21085964 is an even 8-digits composite number following 21085963
and preceding 21085965 . In scientific notation, it is written as 2.1085964 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 10542980 positive integers (up to 21085964) that are relatively prime to 21085964.
21085964 has 6 divisors, whose sum is 36900444
The reverse of 21085964 is 46958012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-five thousand nine hundred sixty-four
Scientific notation
2.1085964 × 10^7
Engineering notation
2.1085964 × 10^6
Prime Factorization
2 × 2 × 5271491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10542982
Product of the distinct prime numbers
The prime factorization of 21085964 is 2 × 2 × 5271491.
Since it has a total of 3 prime factors.
7 , 10 , 2 , 33 , 547 , 676 , 8855 , 1722 , 62585 , 73366 , 592737 , 486709 , 4286159 , 5234680 , 88567251 , 61011145 , 486903715 , 388811265 , 9714069891 , 3178097549
n×2
42171928
n×3
63257892
n×4
84343856
n×5
105429820
n÷2
10542982
n÷3
7028654.6666667
n÷3
5271491
n÷5
4217192.8
n2
444617877809296
n3
9.3751965652432E+21
n4
1.9768505726764E+29
n5
4.1683800008834E+36
2 √n
4591.9455571686
3 √n
276.26836251752
4 √n
67.763895675858
5 √n
29.160750168853
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21085963
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21085964 can be divided by 6 positive divisors.
The sum of these divisors (counting 21085964) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011011111100001100
3
Ternary
1110200021111122
4
Quaternary
1100123330030
5
Quinary
20344222324
6
Senary
2031540112
8
Octal
120337414
10
Decimal
21085964
12
Duodecimal
708a638
16
Hexadecimal
141bf0c
20
Vigesimal
6bfei4
36
Base36
cjy18
md5
9454f17a69538ef092ac636320b77ab7
sha1
45805b11f2d7b35945c0806c6b8fc7e2c2e5aed6
sha256
ff7b30b7b2becef0cac28602c0ea3c8875e4483acb2ab42b6bd24946f33e8993
sha512
376ae9de83d501dacadccc257c811609b1f5105925fe81da933a2ed9f5a8c9d48d7347dc511ea71ae1dff2a5b93d3073ecfcce15a88821013f4e3b106a5b8864
ripemd-160
8a0cb23da1d5420fa0fc10c59b16f678536fa4cc
Diameter
42171928
Circumference
132487019.19252
Area
1.3968082585804E+15
Volume
3.9270731540438E+22
Surface area
5.5872330343215E+15
Circumference
132487019.19252
Perimeter
84343856
Area
444617877809296
Diagonal
29820056.264511
Surface area
2667707266855776
Volume
9.3751965652432E+21
Space diagonal
36521960.974568
Perimeter
63257892
Area
1.9252518857979E+14
Altitude
18260980.487284
Surface area
1.9252518857979E+14
Volume
1.1048775110401E+21
Height
9940018.7548369