21507966 is an even 8-digits composite number following 21507965
and preceding 21507967 . In scientific notation, it is written as 2.1507966 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6921936 positive integers (up to 21507966) that are relatively prime to 21507966.
21507966 has 24 divisors, whose sum is 48208680
The reverse of 21507966 is 66970512
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million five hundred seven thousand nine hundred sixty-six
Scientific notation
2.1507966 × 10^7
Engineering notation
2.1507966 × 10^6
Prime Factorization
2 × 3 × 3 × 29 × 41203
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7169322
Product of the distinct prime numbers
The prime factorization of 21507966 is 2 × 3 × 3 × 29 × 41203.
Since it has a total of 5 prime factors.
1 , 9 , 91 , 67 , 381 , 653 , 8587 , 9945 , 75821 , 76063 , 71569 , 890970 , 7400060 , 2603570 , 52022512 , 94575161 , 37176089 , 951853274 , 1744741598 , 8238045811
n×2
43015932
n×3
64523898
n×4
86031864
n×5
107539830
n÷2
10753983
n÷3
7169322
n÷3
5376991.5
n÷5
4301593.2
n2
462592601457156
n3
9.9494259439921E+21
n4
2.139919149229E+29
n5
4.6025308304366E+36
2 √n
4637.6681640669
3 √n
278.09922617703
4 √n
68.100427047611
5 √n
29.276548036675
1 , 2 , 3 , 6 , 9 , 18 , 29 , 58 , 87 , 174 , 261 , 522 , 41203 , 82406 , 123609 , 247218 , 370827 , 741654 , 1194887 , 2389774 , 3584661 , 7169322 , 10753983 , 21507966
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21507965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21507966 can be divided by 24 positive divisors.
The sum of these divisors (counting 21507966) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000010111101111110
3
Ternary
1111110201101100
4
Quaternary
1102002331332
5
Quinary
21001223331
6
Senary
2044553530
8
Octal
122027576
10
Decimal
21507966
12
Duodecimal
72528a6
16
Hexadecimal
1482f7e
20
Vigesimal
6e89i6
36
Base36
cszni
md5
ecd3a2ba5d7fdf66135b25f8952a392c
sha1
a9a5628db6705c5baf59f00a10b466336f60b008
sha256
9fde639fcd3582ff518341419b230e93bc78f0a04991a9b47be61484b159df3b
sha512
20e8adb9d39bf606452e6a1446582d3912e3a92035169dcac64e176bfecd96069d8873d7767ce1778a7fb2a687e8442f41592888d4db280798c9b3a96cb8cc9d
ripemd-160
05b135d11ae51a4a0777dede70d9bd0a4593d209
Diameter
43015932
Circumference
135138535.95852
Area
1.4532775183428E+15
Volume
4.1676057937442E+22
Surface area
5.8131100733712E+15
Circumference
135138535.95852
Perimeter
86031864
Area
462592601457156
Diagonal
30416857.216259
Surface area
2775555608742936
Volume
9.9494259439921E+21
Space diagonal
37252889.879464
Perimeter
64523898
Area
2.0030847223231E+14
Altitude
18626444.939732
Surface area
2.0030847223231E+14
Volume
1.1725510923184E+21
Height
10138952.40542