21556902 is an even 8-digits composite number following 21556901
and preceding 21556903 . In scientific notation, it is written as 2.1556902 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 7049952 positive integers (up to 21556902) that are relatively prime to 21556902.
21556902 has 16 divisors, whose sum is 43927920
The reverse of 21556902 is 20965512
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million five hundred fifty-six thousand nine hundred two
Scientific notation
2.1556902 × 10^7
Engineering notation
2.1556902 × 10^6
Prime Factorization
2 × 3 × 53 × 67789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21556902
Product of the distinct prime numbers
The prime factorization of 21556902 is 2 × 3 × 53 × 67789.
Since it has a total of 4 prime factors.
5 , 7 , 67 , 91 , 43 , 306 , 7812 , 4906 , 94153 , 99820 , 592897 , 757909 , 7887374 , 4624202 , 83935599 , 64867611 , 606770183 , 320090618 , 3702182698 , 7949743389
n×2
43113804
n×3
64670706
n×4
86227608
n×5
107784510
n÷2
10778451
n÷3
7185634
n÷3
5389225.5
n÷5
4311380.4
n2
464700023837604
n3
1.0017492873265E+22
n4
2.1594611215467E+29
n5
4.6551291769992E+36
2 √n
4642.9410937465
3 √n
278.30998150707
4 √n
68.13913041525
5 √n
29.289858221863
1 , 2 , 3 , 6 , 53 , 106 , 159 , 318 , 67789 , 135578 , 203367 , 406734 , 3592817 , 7185634 , 10778451 , 21556902
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
-21556901
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 21556902 can be divided by 16 positive divisors.
The sum of these divisors (counting 21556902) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110111010100110
3
Ternary
1111120012111210
4
Quaternary
1102032322212
5
Quinary
21004310102
6
Senary
2050012250
8
Octal
122167246
10
Decimal
21556902
12
Duodecimal
7277086
16
Hexadecimal
148eea6
20
Vigesimal
6eec52
36
Base36
cu1eu
md5
8e20b51d64f07773012a35c61e5e3dfc
sha1
83fad8b552db6f7eae7b1ceb1839f5dca679ccef
sha256
311e8c26ef916cfa3830be1831abf99fd4a9be28d56b69d6edcc8e0698a75e25
sha512
a7dad5157965e1e5765ae3f49a7dd31a900deb9fd30e4cb21f1355223bf80ed93ec74cd36f68516a595f8cb1b30855ba86319587d63955e9fd062d1cfe9ca932
ripemd-160
4fa5cb83fae66516aa47d55c74d48f3cc2b1f403
Diameter
43113804
Circumference
135446009.91471
Area
1.4598981810112E+15
Volume
4.1961176024049E+22
Surface area
5.8395927240449E+15
Circumference
135446009.91471
Perimeter
86227608
Area
464700023837604
Diagonal
30486063.171148
Surface area
2788200143025624
Volume
1.0017492873265E+22
Space diagonal
37337649.517783
Perimeter
64670706
Area
2.012210128913E+14
Altitude
18668824.758892
Surface area
2.012210128913E+14
Volume
1.1805728568623E+21
Height
10162021.057049