21550191 is an odd 8-digits composite number following 21550190
and preceding 21550192 . In scientific notation, it is written as 2.1550191 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13206240 positive integers (up to 21550191) that are relatively prime to 21550191.
21550191 has 16 divisors, whose sum is 31073280
The reverse of 21550191 is 19105512
Previous prime number is 2039
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred fifty thousand one hundred ninety-one
Scientific notation
2.1550191 × 10^7
Engineering notation
2.1550191 × 10^6
Prime Factorization
3 × 13 × 2039 × 271
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21550191
Product of the distinct prime numbers
The prime factorization of 21550191 is 3 × 13 × 2039 × 271.
Since it has a total of 4 prime factors.
10 , 6 , 43 , 92 , 562 , 811 , 2632 , 9364 , 65769 , 58554 , 510367 , 8783 , 7909311 , 6193801 , 57803493 , 85888092 , 602046982 , 600590730 , 4300297272 , 2339135970
n×2
43100382
n×3
64650573
n×4
86200764
n×5
107750955
n÷2
10775095.5
n÷3
7183397
n÷3
5387547.75
n÷5
4310038.2
n2
464410732136481
n3
1.0008139979991E+22
n4
2.1567732812354E+29
n5
4.647887615432E+36
2 √n
4642.2183274809
3 √n
278.28109776273
4 √n
68.133826602364
5 √n
29.288034316735
1 , 3 , 13 , 39 , 271 , 813 , 2039 , 3523 , 6117 , 10569 , 26507 , 79521 , 552569 , 1657707 , 7183397 , 21550191
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
-21550190
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 21550191 can be divided by 16 positive divisors.
The sum of these divisors (counting 21550191) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101010001101111
3
Ternary
1111112212022020
4
Quaternary
1102031101233
5
Quinary
21004101231
6
Senary
2045521223
8
Octal
122152157
10
Decimal
21550191
12
Duodecimal
7273213
16
Hexadecimal
148d46f
20
Vigesimal
6edf9b
36
Base36
ctw8f
md5
61d05fd91f1a19544788eebc257e1f4d
sha1
7bab38a2a44645f17117191fc8526222afa110e5
sha256
0815463e2c690864bf01f32f445e4385bf438073a0f4c0c91770035fb217b93e
sha512
5823c8ea73e8891c39af9b074f5c6b849c7cfb7f3d3fb1336d4e6fb78cd067dbcd9f1da1468de5128d5acdd1a32aa332f9e1553ed30910faa962e6ac4177c9c1
ripemd-160
113032a107f86437a1f4ba607bdad25dc4675087
Diameter
43100382
Circumference
135403843.45811
Area
1.4589893443282E+15
Volume
4.1921998716317E+22
Surface area
5.8359573773129E+15
Circumference
135403843.45811
Perimeter
86200764
Area
464410732136481
Diagonal
30476572.383931
Surface area
2786464392818886
Volume
1.0008139979991E+22
Space diagonal
37326025.724814
Perimeter
64650573
Area
2.0109574591016E+14
Altitude
18663012.862407
Surface area
2.0109574591016E+14
Volume
1.1794706078193E+21
Height
10158857.46131