21232947 is an odd 8-digits composite number following 21232946
and preceding 21232948 . In scientific notation, it is written as 2.1232947 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14060000 positive integers (up to 21232947) that are relatively prime to 21232947.
21232947 has 8 divisors, whose sum is 28501200
The reverse of 21232947 is 74923212
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred thirty-two thousand nine hundred forty-seven
Scientific notation
2.1232947 × 10^7
Engineering notation
2.1232947 × 10^6
Prime Factorization
3 × 149 × 47501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21232947
Product of the distinct prime numbers
The prime factorization of 21232947 is 3 × 149 × 47501.
Since it has a total of 3 prime factors.
2 , 5 , 12 , 36 , 474 , 355 , 7925 , 895 , 59329 , 73120 , 303066 , 301407 , 3881213 , 9237071 , 34650121 , 71337372 , 656454464 , 453604498 , 5962707713 , 9330129689
n×2
42465894
n×3
63698841
n×4
84931788
n×5
106164735
n÷2
10616473.5
n÷3
7077649
n÷3
5308236.75
n÷5
4246589.4
n2
450838038304809
n3
9.57262017291E+21
n4
2.0325493678253E+29
n5
4.3157013001918E+36
2 √n
4607.9221998641
3 √n
276.90880062323
4 √n
67.881677939368
5 √n
29.20129119809
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21232946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21232947 can be divided by 8 positive divisors.
The sum of these divisors (counting 21232947) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111111110100110011
3
Ternary
1110221202010110
4
Quaternary
1100333310303
5
Quinary
20413423242
6
Senary
2035032403
8
Octal
120776463
10
Decimal
21232947
12
Duodecimal
713b703
16
Hexadecimal
143fd33
20
Vigesimal
6ce277
36
Base36
cn3g3
md5
b956955bd4d4ebe50cb9628887fe3cd4
sha1
afaa5937eec3471434a0a92a594db914874fcb89
sha256
e486514547aeb1e3787c4913a12680b8b2ee53744c47998478d94edc5fc011f6
sha512
075916d7a0ef65ba27c6f3fc9d21e49b6bde2b97ce02529e2230c8834b18f20f028b5828b1aaac7be841e2429195b4bfda1de22e9b13f3c0bc87ac7ea14020ad
ripemd-160
588e099046008daa67d91c8e29c61aaf775f376a
Diameter
42465894
Circumference
133410540.61852
Area
1.4163494690972E+15
Volume
4.0097697614426E+22
Surface area
5.6653978763889E+15
Circumference
133410540.61852
Perimeter
84931788
Area
450838038304809
Diagonal
30027921.616549
Surface area
2705028229828854
Volume
9.57262017291E+21
Space diagonal
36776542.998417
Perimeter
63698841
Area
1.9521859708215E+14
Altitude
18388271.499209
Surface area
1.9521859708215E+14
Volume
1.1281441063313E+21
Height
10009307.205516