21961666 is an even 8-digits composite number following 21961665
and preceding 21961667 . In scientific notation, it is written as 2.1961666 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10980832 positive integers (up to 21961666) that are relatively prime to 21961666.
21961666 has 4 divisors, whose sum is 32942502
The reverse of 21961666 is 66616912
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million nine hundred sixty-one thousand six hundred sixty-six
Scientific notation
2.1961666 × 10^7
Engineering notation
2.1961666 × 10^6
Prime Factorization
2 × 10980833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21961666
Product of the distinct prime numbers
The prime factorization of 21961666 is 2 × 10980833.
Since it has a total of 2 prime factors.
10 , 7 , 77 , 2 , 746 , 250 , 9330 , 276 , 37329 , 53170 , 862507 , 304730 , 3023600 , 4113056 , 60655738 , 35000968 , 599800827 , 827573339 , 4261024706 , 1367103467
n×2
43923332
n×3
65884998
n×4
87846664
n×5
109808330
n÷2
10980833
n÷3
7320555.3333333
n÷3
5490416.5
n÷5
4392333.2
n2
482314773495556
n3
1.0592435962375E+22
n4
2.3262754073207E+29
n5
5.1088883519591E+36
2 √n
4686.327560041
3 √n
280.04109090826
4 √n
68.45675686184
5 √n
29.399033727339
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
-21961665
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 21961666 can be divided by 4 positive divisors.
The sum of these divisors (counting 21961666) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011110001101111000010
3
Ternary
1112022202202001
4
Quaternary
1103301233002
5
Quinary
21110233131
6
Senary
2102414214
8
Octal
123615702
10
Decimal
21961666
12
Duodecimal
743136a
16
Hexadecimal
14f1bc2
20
Vigesimal
6h5436
36
Base36
d2pqa
md5
430bb8c5a9e2bea71fc43b9f8e35f6a3
sha1
bb307b717b2cc778a61cba978b7e326e0f749348
sha256
5416ab63b1a755f1ea7ddb0e530e60e4512b5c879f0edbc7585fa9904bdeda6d
sha512
86d8d597827289b5aa221789f7fc50d28d9b7e4fd9027889e0967ab4793e28164f80e289995196abb96ec3cf40a9b5adbbe1d95b60e4d8a29ac03ba2dd7664a1
ripemd-160
0266e9013a9a6b9c47b6a5b3f036cc59e61834c6
Diameter
43923332
Circumference
137989217.13239
Area
1.5152365491315E+15
Volume
4.4369492004024E+22
Surface area
6.0609461965259E+15
Circumference
137989217.13239
Perimeter
87846664
Area
482314773495556
Diagonal
31058485.909508
Surface area
2893888640973336
Volume
1.0592435962375E+22
Space diagonal
38038721.330858
Perimeter
65884998
Area
2.0884842323384E+14
Altitude
19019360.665429
Surface area
2.0884842323384E+14
Volume
1.2483305497133E+21
Height
10352828.636503