21551899 is an odd 8-digits composite number following 21551898
and preceding 21551900 . In scientific notation, it is written as 2.1551899 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 21443400 positive integers (up to 21551899) that are relatively prime to 21551899.
21551899 has 4 divisors, whose sum is 21660400
The reverse of 21551899 is 99815512
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand eight hundred ninety-nine
Scientific notation
2.1551899 × 10^7
Engineering notation
2.1551899 × 10^6
Prime Factorization
199 × 108301
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551899
Product of the distinct prime numbers
The prime factorization of 21551899 is 199 × 108301.
Since it has a total of 2 prime factors.
6 , 2 , 51 , 99 , 363 , 881 , 7069 , 1703 , 11483 , 2979 , 14050 , 720754 , 1504399 , 252985 , 93059039 , 24181177 , 702285063 , 542947536 , 7658398985 , 4798438653
n×2
43103798
n×3
64655697
n×4
86207596
n×5
107759495
n÷2
10775949.5
n÷3
7183966.3333333
n÷3
5387974.75
n÷5
4310379.8
n2
464484350506201
n3
1.001051980919E+22
n4
2.1574571186517E+29
n5
4.6497297918012E+36
2 √n
4642.4022876093
3 √n
278.28844946182
4 √n
68.135176580158
5 √n
29.288498557417
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
-21551898
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 21551899 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551899) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101101100011011
3
Ternary
1111112221122111
4
Quaternary
1102031230123
5
Quinary
21004130044
6
Senary
2045533151
8
Octal
122155433
10
Decimal
21551899
12
Duodecimal
72741b7
16
Hexadecimal
148db1b
20
Vigesimal
6edjej
36
Base36
ctxjv
md5
bd929e5ee77e3d73b55712c7fdbbce78
sha1
eb32c335a7635ee252a928ca86973c55d733ceca
sha256
ac919789be48ed4bab4a071e537a8fe9036fb642e39e8cccabbad810ebd789c5
sha512
fa989b38999857152385c582f658efeda246e94f2bbc86b55ddd6f26c24fe93542a80f9709fe925767eb09eb5ab3dee07dd070b14ecd012a4474d1f47a7ccfcf
ripemd-160
a43c484ca74d7cba8ecbe1e7b4791603caf19b1d
Diameter
43103798
Circumference
135414575.13862
Area
1.4592206232577E+15
Volume
4.1931967321556E+22
Surface area
5.8368824930308E+15
Circumference
135414575.13862
Perimeter
86207596
Area
464484350506201
Diagonal
30478987.860695
Surface area
2786906103037206
Volume
1.001051980919E+22
Space diagonal
37328984.067593
Perimeter
64655697
Area
2.0112762359934E+14
Altitude
18664492.033796
Surface area
2.0112762359934E+14
Volume
1.1797510733801E+21
Height
10159662.620232