21551937 is an odd 8-digits composite number following 21551936
and preceding 21551938 . In scientific notation, it is written as 2.1551937 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11980800 positive integers (up to 21551937) that are relatively prime to 21551937.
21551937 has 16 divisors, whose sum is 24583104
The reverse of 21551937 is 73915512
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million five hundred fifty-one thousand nine hundred thirty-seven
Scientific notation
2.1551937 × 10^7
Engineering notation
2.1551937 × 10^6
Prime Factorization
51 × 11 × 41 × 937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551937
Product of the distinct prime numbers
The prime factorization of 21551937 is 51 × 11 × 41 × 937.
Since it has a total of 4 prime factors.
7 , 9 , 56 , 27 , 111 , 441 , 8599 , 2743 , 68668 , 11530 , 860371 , 218722 , 5287994 , 6885598 , 85171123 , 14169954 , 477703052 , 46130619 , 6721100770 , 277013204
n×2
43103874
n×3
64655811
n×4
86207748
n×5
107759685
n÷2
10775968.5
n÷3
7183979
n÷3
5387984.25
n÷5
4310387.4
n2
464485988451969
n3
1.00105727605E+22
n4
2.157472334682E+29
n5
4.649770783631E+36
2 √n
4642.4063803161
3 √n
278.28861301979
4 √n
68.13520661388
5 √n
29.288508885622
1 , 11 , 41 , 51 , 451 , 561 , 937 , 2091 , 10307 , 23001 , 38417 , 47787 , 422587 , 525657 , 1959267 , 21551937
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
-21551936
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 21551937 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551937) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101101101000001
3
Ternary
1111112221200220
4
Quaternary
1102031231001
5
Quinary
21004130222
6
Senary
2045533253
8
Octal
122155501
10
Decimal
21551937
12
Duodecimal
7274229
16
Hexadecimal
148db41
20
Vigesimal
6edjgh
36
Base36
ctxkx
md5
244846e6ed8fe65efc215a227df5ee90
sha1
5167df17b3d67c22f22e2cbef0d3989824671605
sha256
4dafd8b404f21891f3044b2980125758e2e92f21eed294999fde1e06effef471
sha512
3b5387602c023b3ce5e6e644aa5c7d5dc24afd17a1b116c71235a78d10b0552a25160fb0946075221fb67a8183a47856fa62f611106ae84eeb5307c09fea770f
ripemd-160
fcdbccfe3569a4eb4639b7bd2943c23bad1a2866
Diameter
43103874
Circumference
135414813.89966
Area
1.4592257690161E+15
Volume
4.1932189123482E+22
Surface area
5.8369030760644E+15
Circumference
135414813.89966
Perimeter
86207748
Area
464485988451969
Diagonal
30479041.600811
Surface area
2786915930711814
Volume
1.00105727605E+22
Space diagonal
37329049.885524
Perimeter
64655811
Area
2.0112833285067E+14
Altitude
18664524.942762
Surface area
2.0112833285067E+14
Volume
1.1797573137518E+21
Height
10159680.533604