21861214 is an even 8-digits composite number following 21861213
and preceding 21861215 . In scientific notation, it is written as 2.1861214 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10930606 positive integers (up to 21861214) that are relatively prime to 21861214.
21861214 has 4 divisors, whose sum is 32791824
The reverse of 21861214 is 41216812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eight hundred sixty-one thousand two hundred fourteen
Scientific notation
2.1861214 × 10^7
Engineering notation
2.1861214 × 10^6
Prime Factorization
2 × 10930607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21861214
Product of the distinct prime numbers
The prime factorization of 21861214 is 2 × 10930607.
Since it has a total of 2 prime factors.
6 , 3 , 22 , 28 , 948 , 552 , 9876 , 80 , 19478 , 59117 , 409531 , 386695 , 3744824 , 8907434 , 46175848 , 4547411 , 458937044 , 428534739 , 1810675520 , 1011737440
n×2
43722428
n×3
65583642
n×4
87444856
n×5
109306070
n÷2
10930607
n÷3
7287071.3333333
n÷3
5465303.5
n÷5
4372242.8
n2
477912677553796
n3
1.0447751317317E+22
n4
2.2840052736664E+29
n5
4.9931128064749E+36
2 √n
4675.5977158006
3 √n
279.61347176157
4 √n
68.37834244701
5 √n
29.372090327545
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
-21861213
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 21861214 can be divided by 4 positive divisors.
The sum of these divisors (counting 21861214) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011001001101011110
3
Ternary
1112010122221121
4
Quaternary
1103121031132
5
Quinary
21044024324
6
Senary
2100321154
8
Octal
123311536
10
Decimal
21861214
12
Duodecimal
73a31ba
16
Hexadecimal
14d935e
20
Vigesimal
6gcd0e
36
Base36
d0k7y
md5
8560640ebe545201db3d41d7cc583324
sha1
d22e1de652857a4f7693bb098a8f4ceb8ef6a754
sha256
6dd81837a1a7dbdfb0cffb6e5381d444db99cf11aaebd8bd181afc0c41aab6ba
sha512
94a85b068259220c732b19f1a451ccee43ebfa6bda3f535c0da2e7b2c9cb5f7d3dad00b8f8dfb5d556ce3845104eb66c304b321fb5bca001a0876479bda8cff9
ripemd-160
7ed2c8b89753add850aa3d9cf6c79f398f025288
Diameter
43722428
Circumference
137358058.60191
Area
1.5014069568604E+15
Volume
4.376343838002E+22
Surface area
6.0056278274417E+15
Circumference
137358058.60191
Perimeter
87444856
Area
477912677553796
Diagonal
30916425.328741
Surface area
2867476065322776
Volume
1.0447751317317E+22
Space diagonal
37864733.363136
Perimeter
65583642
Area
2.0694225977611E+14
Altitude
18932366.681568
Surface area
2.0694225977611E+14
Volume
1.2312793007709E+21
Height
10305475.10958