21898910 is an even 8-digits composite number following 21898909
and preceding 21898911 . In scientific notation, it is written as 2.1898910 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 7963200 positive integers (up to 21898910) that are relatively prime to 21898910.
21898910 has 16 divisors, whose sum is 43001712
The reverse of 21898910 is 01989812
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eight hundred ninety-eight thousand nine hundred ten
Scientific notation
2.1898910 × 10^7
Engineering notation
2.1898910 × 10^6
Prime Factorization
2 × 5 × 11 × 199081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21898910
Product of the distinct prime numbers
The prime factorization of 21898910 is 2 × 5 × 11 × 199081.
Since it has a total of 4 prime factors.
3 , 3 , 93 , 36 , 764 , 26 , 4973 , 1359 , 52803 , 21183 , 11383 , 502324 , 6667955 , 4324365 , 7308993 , 84101201 , 369760092 , 857386592 , 2608179397 , 7401320954
n×2
43797820
n×3
65696730
n×4
87595640
n×5
109494550
n÷2
10949455
n÷3
7299636.6666667
n÷3
5474727.5
n÷5
4379782
n2
479562259188100
n3
1.0501890753357E+22
n4
2.2997996043759E+29
n5
5.0363104554264E+36
2 √n
4679.6271218976
3 √n
279.77409499894
4 √n
68.407800153913
5 √n
29.382212797657
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 199081 , 398162 , 995405 , 1990810 , 2189891 , 4379782 , 10949455 , 21898910
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
-21898909
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 21898910 can be divided by 16 positive divisors.
The sum of these divisors (counting 21898910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100010011010011110
3
Ternary
1112012120122202
4
Quaternary
1103202122132
5
Quinary
21101231120
6
Senary
2101211502
8
Octal
123423236
10
Decimal
21898910
12
Duodecimal
7400b92
16
Hexadecimal
14e269e
20
Vigesimal
6gh75a
36
Base36
d1db2
md5
9e420d021ca1a464f2de3fd7ab422551
sha1
5510a3e3021ecbf5e136d5b38ec9caca3acad178
sha256
6228e2002bb6c66370652edaaa3d510cd5a291122060456bbe327d2b88d95e5b
sha512
e7a469669514ef3f6766dcf452195915b7e026c3dedfc59a0109cc7c9475e9b4bf721b014a3c543963bdbb4338d99ea9467d5a29387eac11c0aa07d8b3436c50
ripemd-160
b4c4f605ece6974948f3ede6850a58745d1b2cd3
Diameter
43797820
Circumference
137594909.55525
Area
1.5065892704043E+15
Volume
4.3990217119398E+22
Surface area
6.026357081617E+15
Circumference
137594909.55525
Perimeter
87595640
Area
479562259188100
Diagonal
30969735.523188
Surface area
2877373555128600
Volume
1.0501890753357E+22
Space diagonal
37930024.750378
Perimeter
65696730
Area
2.0765654957658E+14
Altitude
18965012.375189
Surface area
2.0765654957658E+14
Volume
1.2376596944965E+21
Height
10323245.174396