21897672 is an even 8-digits composite number following 21897671
and preceding 21897673 . In scientific notation, it is written as 2.1897672 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors.
There are 7299216 positive integers (up to 21897672) that are relatively prime to 21897672.
21897672 has 16 divisors, whose sum is 54744240
The reverse of 21897672 is 27679812
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million eight hundred ninety-seven thousand six hundred seventy-two
Scientific notation
2.1897672 × 10^7
Engineering notation
2.1897672 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 912403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5474418
Product of the distinct prime numbers
The prime factorization of 21897672 is 2 × 2 × 2 × 3 × 912403.
Since it has a total of 5 prime factors.
2 , 4 , 17 , 69 , 373 , 288 , 413 , 3569 , 19320 , 72976 , 603113 , 851390 , 6137225 , 3196297 , 38483257 , 39474961 , 511795600 , 855219263 , 1100517678 , 4942449962
n×2
43795344
n×3
65693016
n×4
87590688
n×5
109488360
n÷2
10948836
n÷3
7299224
n÷3
5474418
n÷5
4379534.4
n2
479508039019584
n3
1.0500109759814E+22
n4
2.2992795948441E+29
n5
5.0348870404188E+36
2 √n
4679.4948445318
3 √n
279.76882279046
4 √n
68.406833317526
5 √n
29.381880580191
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 912403 , 1824806 , 2737209 , 3649612 , 5474418 , 7299224 , 10948836 , 21897672
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
-21897671
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 21897672 can be divided by 16 positive divisors.
The sum of these divisors (counting 21897672) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100010000111001000
3
Ternary
1112012111221220
4
Quaternary
1103202013020
5
Quinary
21101211142
6
Senary
2101202040
8
Octal
123420710
10
Decimal
21897672
12
Duodecimal
7400320
16
Hexadecimal
14e21c8
20
Vigesimal
6gh43c
36
Base36
d1cco
md5
a8f4de90c28252e62fe6a145331e94e5
sha1
92ed6107c1818ccd1b16500a5861cfbb0430dbd0
sha256
a813a85944eb4d88cb0ad5ec3b7750ddb61033a48b7f5a051daea837e28ee231
sha512
b4a0b8354179eaecb0097eae8d2e1bb91a6b7fd9f15fad72697b98bac8ae8a3ae56e9daabc47c41da1b355f588dff328144d8310d5e28b6630d5334d0db57e41
ripemd-160
051fe645bfeba3b4efc8bbcec9bb5c2d85a55414
Diameter
43795344
Circumference
137587130.97184
Area
1.5064189327212E+15
Volume
4.3982756911091E+22
Surface area
6.0256757308847E+15
Circumference
137587130.97184
Perimeter
87590688
Area
479508039019584
Diagonal
30967984.726798
Surface area
2877048234117504
Volume
1.0500109759814E+22
Space diagonal
37927880.471478
Perimeter
65693016
Area
2.0763307155491E+14
Altitude
18963940.235739
Surface area
2.0763307155491E+14
Volume
1.2374498023946E+21
Height
10322661.575599