21897404 is an even 8-digits composite number following 21897403
and preceding 21897405 . In scientific notation, it is written as 2.1897404 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 10908624 positive integers (up to 21897404) that are relatively prime to 21897404.
21897404 has 12 divisors, whose sum is 38460744
The reverse of 21897404 is 40479812
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eight hundred ninety-seven thousand four hundred four
Scientific notation
2.1897404 × 10^7
Engineering notation
2.1897404 × 10^6
Prime Factorization
2 × 2 × 277 × 19763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10948702
Product of the distinct prime numbers
The prime factorization of 21897404 is 2 × 2 × 277 × 19763.
Since it has a total of 4 prime factors.
10 , 6 , 94 , 23 , 180 , 216 , 854 , 7599 , 44189 , 70966 , 577077 , 462384 , 3438611 , 9535609 , 25552647 , 90290542 , 663162811 , 783681260 , 1585362899 , 6041444968
n×2
43794808
n×3
65692212
n×4
87589616
n×5
109487020
n÷2
10948702
n÷3
7299134.6666667
n÷3
5474351
n÷5
4379480.8
n2
479496301939216
n3
1.0499724240069E+22
n4
2.2991670357338E+29
n5
5.0345789444946E+36
2 √n
4679.4662088747
3 √n
279.76768144615
4 √n
68.406624013137
5 √n
29.381808660376
1 , 2 , 4 , 277 , 554 , 1108 , 19763 , 39526 , 79052 , 5474351 , 10948702 , 21897404
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21897403
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21897404 can be divided by 12 positive divisors.
The sum of these divisors (counting 21897404) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011100010000010111100
3
Ternary
1112012111120222
4
Quaternary
1103202002330
5
Quinary
21101204104
6
Senary
2101200512
8
Octal
123420274
10
Decimal
21897404
12
Duodecimal
7400138
16
Hexadecimal
14e20bc
20
Vigesimal
6gh3a4
36
Base36
d1c58
md5
dac14ec9a1afbda3b10052b586e1ed07
sha1
3c4ba3954113b8a36e15fdb5eea31c3ab5b64aa2
sha256
b827c8f0acf153b4e475eb0dd71f48a4f4078fe2ea3212a4cf6f329de7913e62
sha512
cd3273ecdf496b7c0f8bd9573e05860aa915b11d441a25f8cb76152c57f6e080a6eab7bfc9f22d9631a1f884034ba8c1504e3996a4640478c0fcd5c350eaa568
ripemd-160
08759ec4ee3002568ef3f55cd7a0435f3faa697b
Diameter
43794808
Circumference
137585447.07818
Area
1.5063820595957E+15
Volume
4.3981142049759E+22
Surface area
6.0255282383829E+15
Circumference
137585447.07818
Perimeter
87589616
Area
479496301939216
Diagonal
30967605.717563
Surface area
2876977811635296
Volume
1.0499724240069E+22
Space diagonal
37927416.281862
Perimeter
65692212
Area
2.0762798925003E+14
Altitude
18963708.140931
Surface area
2.0762798925003E+14
Volume
1.2374043684569E+21
Height
10322535.239188