21551318 is an even 8-digits composite number following 21551317
and preceding 21551319 . In scientific notation, it is written as 2.1551318 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10775658 positive integers (up to 21551318) that are relatively prime to 21551318.
21551318 has 4 divisors, whose sum is 32326980
The reverse of 21551318 is 81315512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million five hundred fifty-one thousand three hundred eighteen
Scientific notation
2.1551318 × 10^7
Engineering notation
2.1551318 × 10^6
Prime Factorization
2 × 10775659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551318
Product of the distinct prime numbers
The prime factorization of 21551318 is 2 × 10775659.
Since it has a total of 2 prime factors.
3 , 10 , 74 , 80 , 385 , 22 , 6907 , 6521 , 79193 , 12866 , 316871 , 342038 , 6285701 , 8627340 , 58323040 , 93306030 , 839923142 , 659898861 , 9450994665 , 428715315
n×2
43102636
n×3
64653954
n×4
86205272
n×5
107756590
n÷2
10775659
n÷3
7183772.6666667
n÷3
5387829.5
n÷5
4310263.6
n2
464459307537124
n3
1.0009710234792E+22
n4
2.1572244835786E+29
n5
4.6491030842989E+36
2 √n
4642.3397118264
3 √n
278.28594872252
4 √n
68.134717375405
5 √n
29.288340642783
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551317
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551318 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551318) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101100011010110
3
Ternary
1111112220211222
4
Quaternary
1102031203112
5
Quinary
21004120233
6
Senary
2045530342
8
Octal
122154326
10
Decimal
21551318
12
Duodecimal
72739b2
16
Hexadecimal
148d8d6
20
Vigesimal
6edi5i
36
Base36
ctx3q
md5
a713e735847e635cf032a616173be1d9
sha1
e38c28c025eec9787fff3ebef561f48aad084fbd
sha256
267da991e94d8f6138f98b17824657a84cb1beb80f277e6464355c6b7c3008f9
sha512
42e85ead8969ad2cca2b4bb111ab9d1b2ec85f009382a33575a868d78855ad61a94bf68d46b1c2459336174b0ca4dd1091e9e6fadc51a4f88d2791a6e79ddf81
ripemd-160
a7f5c9d2b596fc657a9421f30048e209b9692b09
Diameter
43102636
Circumference
135410924.60795
Area
1.45914194845E+15
Volume
4.1928576184248E+22
Surface area
5.8365677938001E+15
Circumference
135410924.60795
Perimeter
86205272
Area
464459307537124
Diagonal
30478166.202615
Surface area
2786755845222744
Volume
1.0009710234792E+22
Space diagonal
37327977.746074
Perimeter
64653954
Area
2.0111677967564E+14
Altitude
18663988.873037
Surface area
2.0111677967564E+14
Volume
1.1796556641223E+21
Height
10159388.734205