21897310 is an even 8-digits composite number following 21897309
and preceding 21897311 . In scientific notation, it is written as 2.1897310 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8297856 positive integers (up to 21897310) that are relatively prime to 21897310.
21897310 has 16 divisors, whose sum is 41490000
The reverse of 21897310 is 01379812
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eight hundred ninety-seven thousand three hundred ten
Scientific notation
2.1897310 × 10^7
Engineering notation
2.1897310 × 10^6
Prime Factorization
2 × 5 × 19 × 115249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21897310
Product of the distinct prime numbers
The prime factorization of 21897310 is 2 × 5 × 19 × 115249.
Since it has a total of 4 prime factors.
9 , 2 , 38 , 23 , 449 , 806 , 9318 , 4482 , 40668 , 90723 , 805176 , 188908 , 3971138 , 155076 , 39534896 , 17678981 , 473527727 , 876892187 , 9331778044 , 5466647920
n×2
43794620
n×3
65691930
n×4
87589240
n×5
109486550
n÷2
10948655
n÷3
7299103.3333333
n÷3
5474327.5
n÷5
4379462
n2
479492185236100
n3
1.0499589022692E+22
n4
2.2991275570249E+29
n5
5.0344708845717E+36
2 √n
4679.4561649833
3 √n
279.76728112168
4 √n
68.406550599948
5 √n
29.381783434603
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 115249 , 230498 , 576245 , 1152490 , 2189731 , 4379462 , 10948655 , 21897310
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
-21897309
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 21897310 can be divided by 16 positive divisors.
The sum of these divisors (counting 21897310) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100010000001011110
3
Ternary
1112012111110111
4
Quaternary
1103202001132
5
Quinary
21101203220
6
Senary
2101200234
8
Octal
123420136
10
Decimal
21897310
12
Duodecimal
740007a
16
Hexadecimal
14e205e
20
Vigesimal
6gh35a
36
Base36
d1c2m
md5
3725ca73f860a2d0859904dce1619969
sha1
d2820b7dd91136437b7fe5899e50a7539f7c0b63
sha256
f1e2de9c231981dd638eec6910d33d478e8c94184caf45de5e60095af746bfd2
sha512
4cd86420858cd57017691809ceeee90e93a994866aa8f7636b20721345b5d5a3873b87f56d668cf0774a1fc864366415be340fda543b78995ed77f4a3d4a671d
ripemd-160
bec38c6e10f6decfc60bffb07f349b2201c4c37b
Diameter
43794620
Circumference
137584856.45876
Area
1.5063691265914E+15
Volume
4.3980575652536E+22
Surface area
6.0254765063658E+15
Circumference
137584856.45876
Perimeter
87589240
Area
479492185236100
Diagonal
30967472.781488
Surface area
2876953111416600
Volume
1.0499589022692E+22
Space diagonal
37927253.469086
Perimeter
65691930
Area
2.0762620666529E+14
Altitude
18963626.734543
Surface area
2.0762620666529E+14
Volume
1.2373884329363E+21
Height
10322490.927163