21082495 is an odd 8-digits composite number following 21082494
and preceding 21082496 . In scientific notation, it is written as 2.1082495 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 13674528 positive integers (up to 21082495) that are relatively prime to 21082495.
21082495 has 24 divisors, whose sum is 26593920
The reverse of 21082495 is 59428012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-two thousand four hundred ninety-five
Scientific notation
2.1082495 × 10^7
Engineering notation
2.1082495 × 10^6
Prime Factorization
7 × 19 × 35 × 7 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3011785
Product of the distinct prime numbers
The prime factorization of 21082495 is 7 × 19 × 35 × 7 × 647.
Since it has a total of 5 prime factors.
5 , 8 , 34 , 30 , 590 , 599 , 2663 , 7455 , 67628 , 64553 , 409457 , 359428 , 3155446 , 5880640 , 73177683 , 72802985 , 549058378 , 936723084 , 880127825 , 8980632635
n×2
42164990
n×3
63247485
n×4
84329980
n×5
105412475
n÷2
10541247.5
n÷3
7027498.3333333
n÷3
5270623.75
n÷5
4216499
n2
444471595425025
n3
9.3705701881901E+21
n4
1.9755499913967E+29
n5
4.164952281587E+36
2 √n
4591.5678150279
3 √n
276.25321140387
4 √n
67.761108425319
5 √n
29.159790617751
1 , 7 , 19 , 35 , 49 , 133 , 245 , 647 , 665 , 931 , 1715 , 4529 , 4655 , 12293 , 22645 , 31703 , 32585 , 86051 , 158515 , 430255 , 602357 , 1109605 , 3011785 , 21082495
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
-21082494
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 21082495 can be divided by 24 positive divisors.
The sum of these divisors (counting 21082495) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011011000101111111
3
Ternary
1110200002202011
4
Quaternary
1100123011333
5
Quinary
20344114440
6
Senary
2031512051
8
Octal
120330577
10
Decimal
21082495
12
Duodecimal
7088627
16
Hexadecimal
141b17f
20
Vigesimal
6bf64f
36
Base36
cjvcv
md5
f20582f7a8ef2d67e41b18792fca50d8
sha1
017f28667eef004c4a175ce6e9415afaf97dae1a
sha256
5ba54e00e6afdcb82081d24d776ba5b57806df93b4d2221cdce4c421793f673f
sha512
0c9e25fc5a5c8de591ca1bb696f8ccbc000e561fd265ae2c2cfe13ac555c43857824bbdd5bf819cd46e8c42dd1d2e7a20b4e434b8c1c4bb230c44b268d1f86de
ripemd-160
99155c2d3e98d2a2c8644472d1a6be783c442196
Diameter
42164990
Circumference
132465222.82269
Area
1.3963486989166E+15
Volume
3.9251352617554E+22
Surface area
5.5853947956664E+15
Circumference
132465222.82269
Perimeter
84329980
Area
444471595425025
Diagonal
29815150.357663
Surface area
2666829572550150
Volume
9.3705701881901E+21
Space diagonal
36515952.490317
Perimeter
63247485
Area
1.9246184644934E+14
Altitude
18257976.245158
Surface area
1.9246184644934E+14
Volume
1.1043322872756E+21
Height
9938383.4525543