21551486 is an even 8-digits composite number following 21551485
and preceding 21551487 . In scientific notation, it is written as 2.1551486 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9556800 positive integers (up to 21551486) that are relatively prime to 21551486.
21551486 has 16 divisors, whose sum is 36127728
The reverse of 21551486 is 68415512
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million five hundred fifty-one thousand four hundred eighty-six
Scientific notation
2.1551486 × 10^7
Engineering notation
2.1551486 × 10^6
Prime Factorization
2 × 11 × 41 × 23893
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551486
Product of the distinct prime numbers
The prime factorization of 21551486 is 2 × 11 × 41 × 23893.
Since it has a total of 4 prime factors.
7 , 5 , 3 , 22 , 532 , 457 , 3533 , 8559 , 81122 , 57362 , 833341 , 677322 , 1647532 , 4472127 , 70676654 , 21127201 , 50959015 , 617527086 , 6744151089 , 1970099318
n×2
43102972
n×3
64654458
n×4
86205944
n×5
107757430
n÷2
10775743
n÷3
7183828.6666667
n÷3
5387871.5
n÷5
4310297.2
n2
464466548808196
n3
1.0009944324108E+22
n4
2.157291749618E+29
n5
4.6492842939807E+36
2 √n
4642.3578061153
3 √n
278.28667183248
4 √n
68.134850158457
5 √n
29.288386305196
1 , 2 , 11 , 22 , 41 , 82 , 451 , 902 , 23893 , 47786 , 262823 , 525646 , 979613 , 1959226 , 10775743 , 21551486
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
-21551485
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 21551486 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551486) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100101111110
3
Ternary
1111112221002012
4
Quaternary
1102031211332
5
Quinary
21004121421
6
Senary
2045531222
8
Octal
122154576
10
Decimal
21551486
12
Duodecimal
7273b12
16
Hexadecimal
148d97e
20
Vigesimal
6edie6
36
Base36
ctx8e
md5
0b46ba36b9bdce568581f2e954348a75
sha1
d6ab071d79828a8645f5ed04cac2b2b450e00b90
sha256
895e0fa6c00eded1e46361ab444ab08024b4b0a82a6d1035ebabc054765f4379
sha512
67d5a063f8a7b80fb402997a1db21339057479fa209b9e0084cb390861228f56091d472180cc865ab506c5304db55b6c73b4e560da39ed0d29a55b26cd6b8dcf
ripemd-160
363a778e919054a568b87ef92b225fd7f67dbd02
Diameter
43102972
Circumference
135411980.18309
Area
1.459164697574E+15
Volume
4.1929556735281E+22
Surface area
5.8366587902961E+15
Circumference
135411980.18309
Perimeter
86205944
Area
464466548808196
Diagonal
30478403.790494
Surface area
2786799292849176
Volume
1.0009944324108E+22
Space diagonal
37328268.730609
Perimeter
64654458
Area
2.0111991523799E+14
Altitude
18664134.365305
Surface area
2.0111991523799E+14
Volume
1.1796832518128E+21
Height
10159467.930165