21551367 is an odd 8-digits composite number following 21551366
and preceding 21551368 . In scientific notation, it is written as 2.1551367 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14320760 positive integers (up to 21551367) that are relatively prime to 21551367.
21551367 has 8 divisors, whose sum is 28828800
The reverse of 21551367 is 76315512
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred fifty-one thousand three hundred sixty-seven
Scientific notation
2.1551367 × 10^7
Engineering notation
2.1551367 × 10^6
Prime Factorization
3 × 311 × 23099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21551367
Product of the distinct prime numbers
The prime factorization of 21551367 is 3 × 311 × 23099.
Since it has a total of 3 prime factors.
9 , 4 , 68 , 72 , 153 , 382 , 3128 , 3947 , 74987 , 76187 , 602906 , 381660 , 7411923 , 3038588 , 39798564 , 1622514 , 11397801 , 151125691 , 5482178990 , 845778938
n×2
43102734
n×3
64654101
n×4
86205468
n×5
107756835
n÷2
10775683.5
n÷3
7183789
n÷3
5387841.75
n÷5
4310273.4
n2
464461419568689
n3
1.0009778510466E+22
n4
2.1572441026776E+29
n5
4.6491559365391E+36
2 √n
4642.3449893346
3 √n
278.28615962998
4 √n
68.134756103875
5 √n
29.288353961017
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
-21551366
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 21551367 can be divided by 8 positive divisors.
The sum of these divisors (counting 21551367) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101100100000111
3
Ternary
1111112220220210
4
Quaternary
1102031210013
5
Quinary
21004120432
6
Senary
2045530503
8
Octal
122154407
10
Decimal
21551367
12
Duodecimal
7273a33
16
Hexadecimal
148d907
20
Vigesimal
6edi87
36
Base36
ctx53
md5
e87668e172437723e88c205de7d9221b
sha1
9b02ca09210b925cc851b1b91ad3749e17220296
sha256
16da1114b098b9c71e8260472cf8308894a80afe76494221d663533dc5160adf
sha512
ef519deef2b5d1253f277a22e6b0cf18b93b40e782346eeb1e1d0094f980cba132f9423ab8a7b04df54a8c186899724418ea69cf12d245412c5b52779d0f16e0
ripemd-160
4c5c0eb9b1937429073f64857e8e84709d584a64
Diameter
43102734
Circumference
135411232.48403
Area
1.4591485835929E+15
Volume
4.192886217672E+22
Surface area
5.8365943343715E+15
Circumference
135411232.48403
Perimeter
86205468
Area
464461419568689
Diagonal
30478235.49908
Surface area
2786768517412134
Volume
1.0009778510466E+22
Space diagonal
37328062.616563
Perimeter
64654101
Area
2.0111769421213E+14
Altitude
18664031.308282
Surface area
2.0111769421213E+14
Volume
1.1796637104876E+21
Height
10159411.833027