21551368 is an even 8-digits composite number following 21551367
and preceding 21551369 . In scientific notation, it is written as 2.1551368 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 10307088 positive integers (up to 21551368) that are relatively prime to 21551368.
21551368 has 16 divisors, whose sum is 42166080
The reverse of 21551368 is 86315512
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand three hundred sixty-eight
Scientific notation
2.1551368 × 10^7
Engineering notation
2.1551368 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 117127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5387842
Product of the distinct prime numbers
The prime factorization of 21551368 is 2 × 2 × 2 × 23 × 117127.
Since it has a total of 5 prime factors.
2 , 8 , 38 , 79 , 802 , 373 , 1279 , 7338 , 58837 , 67121 , 552809 , 140767 , 5221640 , 5410212 , 17550366 , 17371099 , 86298091 , 715454557 , 6364153755 , 8474861492
n×2
43102736
n×3
64654104
n×4
86205472
n×5
107756840
n÷2
10775684
n÷3
7183789.3333333
n÷3
5387842
n÷5
4310273.6
n2
464461462671424
n3
1.000977990385E+22
n4
2.1572445030688E+29
n5
4.6491570151613E+36
2 √n
4642.3450970388
3 √n
278.28616393421
4 √n
68.134756894252
5 √n
29.288354232817
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 117127 , 234254 , 468508 , 937016 , 2693921 , 5387842 , 10775684 , 21551368
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
-21551367
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 21551368 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551368) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100100001000
3
Ternary
1111112220220211
4
Quaternary
1102031210020
5
Quinary
21004120433
6
Senary
2045530504
8
Octal
122154410
10
Decimal
21551368
12
Duodecimal
7273a34
16
Hexadecimal
148d908
20
Vigesimal
6edi88
36
Base36
ctx54
md5
4c1b6b04afaf6cf1a98db92613a981fa
sha1
da1995639eac29a755741a92c33bd57e52196c11
sha256
cab105c1116d764b12f862fc243dfe3630fe16c384b4d5cc673bddfd7815608d
sha512
1c0b4a727e7b981d13fe4a396c6c6505504d8ae747df0a319bef4da6c19310af62257640d5940d93a96587427aacc7b55499f31279183c372cc00463f2f076cc
ripemd-160
fb743e314ff76b4d40cb306aac8e1c02108b9155
Diameter
43102736
Circumference
135411238.76722
Area
1.4591487190041E+15
Volume
4.1928868013315E+22
Surface area
5.8365948760165E+15
Circumference
135411238.76722
Perimeter
86205472
Area
464461462671424
Diagonal
30478236.913294
Surface area
2786768776028544
Volume
1.000977990385E+22
Space diagonal
37328064.348614
Perimeter
64654104
Area
2.0111771287617E+14
Altitude
18664032.174307
Surface area
2.0111771287617E+14
Volume
1.1796638746995E+21
Height
10159412.304431