21894564 is an even 8-digits composite number following 21894563
and preceding 21894565 . In scientific notation, it is written as 2.1894564 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 7256704 positive integers (up to 21894564) that are relatively prime to 21894564.
21894564 has 24 divisors, whose sum is 51377760
The reverse of 21894564 is 46549812
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eight hundred ninety-four thousand five hundred sixty-four
Scientific notation
2.1894564 × 10^7
Engineering notation
2.1894564 × 10^6
Prime Factorization
2 × 2 × 3 × 179 × 10193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10947282
Product of the distinct prime numbers
The prime factorization of 21894564 is 2 × 2 × 3 × 179 × 10193.
Since it has a total of 5 prime factors.
10 , 2 , 81 , 36 , 867 , 507 , 3288 , 4290 , 22829 , 64325 , 736427 , 622235 , 4751107 , 2716900 , 78864230 , 37315962 , 568118707 , 302408312 , 4471938014 , 6454020024
n×2
43789128
n×3
65683692
n×4
87578256
n×5
109472820
n÷2
10947282
n÷3
7298188
n÷3
5473641
n÷5
4378912.8
n2
479371932750096
n3
1.0495639461401E+22
n4
2.2979744990856E+29
n5
5.0313149740598E+36
2 √n
4679.1627456202
3 √n
279.75558603113
4 √n
68.404405893336
5 √n
29.381046481755
1 , 2 , 3 , 4 , 6 , 12 , 179 , 358 , 537 , 716 , 1074 , 2148 , 10193 , 20386 , 30579 , 40772 , 61158 , 122316 , 1824547 , 3649094 , 5473641 , 7298188 , 10947282 , 21894564
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
-21894563
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 21894564 can be divided by 24 positive divisors.
The sum of these divisors (counting 21894564) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011100001010110100100
3
Ternary
1112012100200210
4
Quaternary
1103201112210
5
Quinary
21101111224
6
Senary
2101135420
8
Octal
123412644
10
Decimal
21894564
12
Duodecimal
73ba570
16
Hexadecimal
14e15a4
20
Vigesimal
6ggg84
36
Base36
d19yc
md5
0b668fefec361b9e703639f95c9a4999
sha1
1f0e03fc2b3b751b5b9cff00609ef6d3ddf3e849
sha256
f0f06082edc51833470a5cd7127cdd082c2893e337f39d299a6446b6492067c7
sha512
bfceadc3c75b50f1618df3e530e8e399af3e04a7f2c949f4d6bc9ca82a2cb43ccd5373baa430ddfd7e589f83608d9a0b5b69758fda9f4980073edc5cba2971de
ripemd-160
e3f72d8ed599fb2661671f1beceae12e42fb5c88
Diameter
43789128
Circumference
137567602.8319
Area
1.5059913422648E+15
Volume
4.3964031768885E+22
Surface area
6.0239653690594E+15
Circumference
137567602.8319
Perimeter
87578256
Area
479371932750096
Diagonal
30963589.351046
Surface area
2876231596500576
Volume
1.0495639461401E+22
Space diagonal
37922497.257568
Perimeter
65683692
Area
2.0757413581141E+14
Altitude
18961248.628784
Surface area
2.0757413581141E+14
Volume
1.2369229726743E+21
Height
10321196.450349