21057585 is an odd 8-digits composite number following 21057584
and preceding 21057586 . In scientific notation, it is written as 2.1057585 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11147648 positive integers (up to 21057585) that are relatively prime to 21057585.
21057585 has 16 divisors, whose sum is 33941376
The reverse of 21057585 is 58575012
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million fifty-seven thousand five hundred eighty-five
Scientific notation
2.1057585 × 10^7
Engineering notation
2.1057585 × 10^6
Prime Factorization
3 × 5 × 137 × 10247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21057585
Product of the distinct prime numbers
The prime factorization of 21057585 is 3 × 5 × 137 × 10247.
Since it has a total of 4 prime factors.
1 , 5 , 38 , 94 , 407 , 693 , 3043 , 934 , 12237 , 55432 , 109157 , 782311 , 1434767 , 5753654 , 64096044 , 75734311 , 148213939 , 92562701 , 5350145212 , 1673342563
n×2
42115170
n×3
63172755
n×4
84230340
n×5
105287925
n÷2
10528792.5
n÷3
7019195
n÷3
5264396.25
n÷5
4211517
n2
443421886032225
n3
9.3373940559839E+21
n4
1.9662296901238E+29
n5
4.1404048829305E+36
2 √n
4588.8544322085
3 √n
276.14436629264
4 √n
67.741083783835
5 √n
29.152896614696
1 , 3 , 5 , 15 , 137 , 411 , 685 , 2055 , 10247 , 30741 , 51235 , 153705 , 1403839 , 4211517 , 7019195 , 21057585
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
-21057584
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 21057585 can be divided by 16 positive divisors.
The sum of these divisors (counting 21057585) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010101000000110001
3
Ternary
1110121211120120
4
Quaternary
1100111000301
5
Quinary
20342320320
6
Senary
2031200453
8
Octal
120250061
10
Decimal
21057585
12
Duodecimal
7076129
16
Hexadecimal
1415031
20
Vigesimal
6bc3j5
36
Base36
cjc4x
md5
e4bfbdeb0c65d4463fe0bc00ff735872
sha1
4acff6b5e964b8e516de91eec02cb9cf0ca4ccd5
sha256
04bad85078203e986423906785535fc9067c8a44f76b246f0f730c0f1b0259c1
sha512
1f3138edb904a020efdde2e955f96a5ac11474d2afe7803365a0c0468bbaf3248d153b003b3b48024455138115a2b9ff5e0a9a123ba9ade77847fcd1c61db91d
ripemd-160
e79f62e0200d0d851aa891a239007a6bfe7accae
Diameter
42115170
Circumference
132308708.67669
Area
1.3930509395998E+15
Volume
3.9112384759936E+22
Surface area
5.5722037583991E+15
Circumference
132308708.67669
Perimeter
84230340
Area
443421886032225
Diagonal
29779922.297824
Surface area
2660531316193350
Volume
9.3373940559839E+21
Space diagonal
36472807.1047
Perimeter
63172755
Area
1.9200730894896E+14
Altitude
18236403.55235
Surface area
1.9200730894896E+14
Volume
1.1004224425995E+21
Height
9926640.7659414