21231666 is an even 8-digits composite number following 21231665
and preceding 21231667 . In scientific notation, it is written as 2.1231666 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 7054560 positive integers (up to 21231666) that are relatively prime to 21231666.
21231666 has 32 divisors, whose sum is 47332800
The reverse of 21231666 is 66613212
Previous prime number is 569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million two hundred thirty-one thousand six hundred sixty-six
Scientific notation
2.1231666 × 10^7
Engineering notation
2.1231666 × 10^6
Prime Factorization
2 × 9 × 3 × 569 × 691
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21231666
Product of the distinct prime numbers
The prime factorization of 21231666 is 2 × 9 × 3 × 569 × 691.
Since it has a total of 5 prime factors.
3 , 3 , 69 , 69 , 18 , 545 , 9842 , 4513 , 14726 , 55828 , 529593 , 915767 , 1787310 , 530365 , 81086079 , 41678695 , 812523409 , 943422145 , 252178327 , 7768561770
n×2
42463332
n×3
63694998
n×4
84926664
n×5
106158330
n÷2
10615833
n÷3
7077222
n÷3
5307916.5
n÷5
4246333.2
n2
450783641135556
n3
9.570887706854E+21
n4
2.0320589111543E+29
n5
4.3143996093952E+36
2 √n
4607.7831980248
3 √n
276.90323180437
4 √n
67.880654077762
5 √n
29.200938842321
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 569 , 691 , 1138 , 1382 , 1707 , 2073 , 3414 , 4146 , 5121 , 6219 , 10242 , 12438 , 15363 , 18657 , 30726 , 37314 , 393179 , 786358 , 1179537 , 2359074 , 3538611 , 7077222 , 10615833 , 21231666
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
-21231665
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 21231666 can be divided by 32 positive divisors.
The sum of these divisors (counting 21231666) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000111111100000110010
3
Ternary
1110221200101000
4
Quaternary
1100333200302
5
Quinary
20413403131
6
Senary
2035022430
8
Octal
120774062
10
Decimal
21231666
12
Duodecimal
713aa16
16
Hexadecimal
143f832
20
Vigesimal
6cdj36
36
Base36
cn2gi
md5
a276a0708872a7db3f31b5e081190dc7
sha1
2065cb893cf11b0c44061ee11efc2e04d8d9f1db
sha256
fe4c0ccf3bf9678883401ad7e13cd5fb0937b4748b31acf1a24554b44ca8e083
sha512
59dcc5274382c0724363257820cd5d33ee7872bb87fc3acfc7716aab9c874fd56f331833ca267440bd3c7c47b080171b06afc1e81c25775b8810a708db8d0a3f
ripemd-160
a9aabcf9d0bb34715c4291f15447a091312bc326
Diameter
42463332
Circumference
133402491.85814
Area
1.4161785753499E+15
Volume
4.009044067758E+22
Surface area
5.6647143013997E+15
Circumference
133402491.85814
Perimeter
84926664
Area
450783641135556
Diagonal
30026110.008976
Surface area
2704701846813336
Volume
9.570887706854E+21
Space diagonal
36774324.241333
Perimeter
63694998
Area
1.9519504241692E+14
Altitude
18387162.120666
Surface area
1.9519504241692E+14
Volume
1.1279399332486E+21
Height
10008703.336325