21707906 is an even 8-digits composite number following 21707905
and preceding 21707907 . In scientific notation, it is written as 2.1707906 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9438000 positive integers (up to 21707906) that are relatively prime to 21707906.
21707906 has 16 divisors, whose sum is 37067328
The reverse of 21707906 is 60970712
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million seven hundred seven thousand nine hundred six
Scientific notation
2.1707906 × 10^7
Engineering notation
2.1707906 × 10^6
Prime Factorization
2 × 11 × 23 × 42901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21707906
Product of the distinct prime numbers
The prime factorization of 21707906 is 2 × 11 × 23 × 42901.
Since it has a total of 4 prime factors.
1 , 1 , 36 , 66 , 209 , 445 , 8154 , 2215 , 5237 , 89667 , 889718 , 402996 , 4306302 , 1670329 , 80203792 , 26526401 , 732353082 , 977650974 , 3402847749 , 8855711272
n×2
43415812
n×3
65123718
n×4
86831624
n×5
108539530
n÷2
10853953
n÷3
7235968.6666667
n÷3
5426976.5
n÷5
4341581.2
n2
471233182904836
n3
1.0229485638579E+22
n4
2.2206071267062E+29
n5
4.8204730769469E+36
2 √n
4659.1743903829
3 √n
278.95831479406
4 √n
68.258145231049
5 √n
29.330778246728
1 , 2 , 11 , 22 , 23 , 46 , 253 , 506 , 42901 , 85802 , 471911 , 943822 , 986723 , 1973446 , 10853953 , 21707906
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
-21707905
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 21707906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21707906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110011110010000010
3
Ternary
1111211212122112
4
Quaternary
1102303302002
5
Quinary
21024123111
6
Senary
2053135322
8
Octal
122636202
10
Decimal
21707906
12
Duodecimal
732a542
16
Hexadecimal
14b3c82
20
Vigesimal
6fd9f6
36
Base36
cx9xe
md5
9feeb002c0556912d576b923bc8f39e0
sha1
93ea32d7c0a79d114850026cc39f4a90167fc915
sha256
f8a6ab2b4def8c407785620f7f4ca7f5e677c0b5b6635d23d9896ac088c762c4
sha512
47276f8822f690883f5448187673ee8a97370d24881e1a344f0747d97c2cacb6258f776be36afd1e71321ed1c0a2392413fead0b8c68f92097cf978abaedbf41
ripemd-160
d76fce6e378aafb5ea4d36da87fbdde207bb53d9
Diameter
43415812
Circumference
136394796.02884
Area
1.4804227055416E+15
Volume
4.2849169242883E+22
Surface area
5.9216908221663E+15
Circumference
136394796.02884
Perimeter
86831624
Area
471233182904836
Diagonal
30699615.07592
Surface area
2827399097429016
Volume
1.0229485638579E+22
Space diagonal
37599196.117929
Perimeter
65123718
Area
2.0404995375089E+14
Altitude
18799598.058965
Surface area
2.0404995375089E+14
Volume
1.2055564438483E+21
Height
10233205.025307