21551255 is an odd 8-digits composite number following 21551254
and preceding 21551256 . In scientific notation, it is written as 2.1551255 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 15555360 positive integers (up to 21551255) that are relatively prime to 21551255.
21551255 has 8 divisors, whose sum is 25887600
The reverse of 21551255 is 55215512
Previous prime number is 1529
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million five hundred fifty-one thousand two hundred fifty-five
Scientific notation
2.1551255 × 10^7
Engineering notation
2.1551255 × 10^6
Prime Factorization
5 × 1529 × 2819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21551255
Product of the distinct prime numbers
The prime factorization of 21551255 is 5 × 1529 × 2819.
Since it has a total of 3 prime factors.
2 , 4 , 34 , 67 , 17 , 623 , 2842 , 4999 , 19826 , 6573 , 118516 , 622087 , 7797068 , 1760596 , 37324469 , 13334185 , 549520018 , 726539936 , 4633077649 , 9932171652
n×2
43102510
n×3
64653765
n×4
86205020
n×5
107756275
n÷2
10775627.5
n÷3
7183751.6666667
n÷3
5387813.75
n÷5
4310251
n2
464456592075025
n3
1.000962245224E+22
n4
2.1571992592195E+29
n5
4.649035132125E+36
2 √n
4642.3329264498
3 √n
278.28567755532
4 √n
68.134667581561
5 √n
29.288323519305
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551254
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551255 can be divided by 8 positive divisors.
The sum of these divisors (counting 21551255) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101100010010111
3
Ternary
1111112220202122
4
Quaternary
1102031202113
5
Quinary
21004120010
6
Senary
2045530155
8
Octal
122154227
10
Decimal
21551255
12
Duodecimal
727395b
16
Hexadecimal
148d897
20
Vigesimal
6edi2f
36
Base36
ctx1z
md5
b1a2f319010f8b701cc1b21683b879cd
sha1
409d17775cd29d109f2285b7672ac808335957a6
sha256
c8ea7cc29aa19bfee4b8641651dc3a3d2cfc82787f23d67d046d3155d6e7476d
sha512
fad2d83cfe317bdd227cdb51f66f2a7f4a3b96e1d2e42ddc5fbe25da39494dc251cda53fde042c7d43b5f8179d219120f5299340befca3422d4207fd8885952b
ripemd-160
21ed948d4d6831abdec1bb147f6b12ec02669a57
Diameter
43102510
Circumference
135410528.76728
Area
1.4591334175742E+15
Volume
4.1928208481552E+22
Surface area
5.836533670297E+15
Circumference
135410528.76728
Perimeter
86205020
Area
464456592075025
Diagonal
30478077.107161
Surface area
2786739552450150
Volume
1.000962245224E+22
Space diagonal
37327868.626873
Perimeter
64653765
Area
2.0111560384606E+14
Altitude
18663934.313436
Surface area
2.0111560384606E+14
Volume
1.1796453188493E+21
Height
10159359.03572