21131770 is an even 8-digits composite number following 21131769
and preceding 21131771 . In scientific notation, it is written as 2.1131770 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 7435200 positive integers (up to 21131770) that are relatively prime to 21131770.
21131770 has 16 divisors, whose sum is 34807968
The reverse of 21131770 is 07713112
Previous prime number is 155
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million one hundred thirty-one thousand seven hundred seventy
Scientific notation
2.1131770 × 10^7
Engineering notation
2.1131770 × 10^6
Prime Factorization
2 × 11 × 155 × 6197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21131770
Product of the distinct prime numbers
The prime factorization of 21131770 is 2 × 11 × 155 × 6197.
Since it has a total of 4 prime factors.
6 , 7 , 57 , 43 , 928 , 50 , 6263 , 8817 , 97152 , 118 , 988915 , 247427 , 7009295 , 9159345 , 47180983 , 46943959 , 97704234 , 180385324 , 9514168431 , 4023616737
n×2
42263540
n×3
63395310
n×4
84527080
n×5
105658850
n÷2
10565885
n÷3
7043923.3333333
n÷3
5282942.5
n÷5
4226354
n2
446551703332900
n3
9.4364278879391E+21
n4
1.9940842374951E+29
n5
4.2138529467373E+36
2 √n
4596.9304976256
3 √n
276.46826794847
4 √n
67.800667383335
5 √n
29.173408619371
1 , 2 , 11 , 22 , 155 , 310 , 1705 , 3410 , 6197 , 12394 , 68167 , 136334 , 960535 , 1921070 , 10565885 , 21131770
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131769
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131770 can be divided by 16 positive divisors.
The sum of these divisors (counting 21131770) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111000111111010
3
Ternary
1110202121100011
4
Quaternary
1100213013322
5
Quinary
20402204040
6
Senary
2032532134
8
Octal
120470772
10
Decimal
21131770
12
Duodecimal
70b104a
16
Hexadecimal
14271fa
20
Vigesimal
6c198a
36
Base36
ckxdm
md5
72247f0f528fda40d94054090d66a4b4
sha1
4e9083d6bc2b7834b6a178a6a52b633d57124399
sha256
b875cfec2c18a407a54c66ddefc316726c4f896ed8d62afa593a44b604aa4598
sha512
4abda5a4a65f3729cfc36972189e6c2f554030a0238fdeac53622934bc5ad85cf99807a53358f1f9ec0e40ddc7e42c081cff5947a520f4623a160d00b9387cc2
ripemd-160
fbd0bd306fcb2cbb0d95d4b5aa324ccfce4789d4
Diameter
42263540
Circumference
132774826.7787
Area
1.4028835506386E+15
Volume
3.9527216705172E+22
Surface area
5.6115342025546E+15
Circumference
132774826.7787
Perimeter
84527080
Area
446551703332900
Diagonal
29884835.730949
Surface area
2679310219997400
Volume
9.4364278879391E+21
Space diagonal
36601299.29386
Perimeter
63395310
Area
1.9336255959475E+14
Altitude
18300649.64693
Surface area
1.9336255959475E+14
Volume
1.1120936916233E+21
Height
9961611.9103163