21897804 is an even 8-digits composite number following 21897803
and preceding 21897805 . In scientific notation, it is written as 2.1897804 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6915024 positive integers (up to 21897804) that are relatively prime to 21897804.
21897804 has 24 divisors, whose sum is 53784640
The reverse of 21897804 is 40879812
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eight hundred ninety-seven thousand eight hundred four
Scientific notation
2.1897804 × 10^7
Engineering notation
2.1897804 × 10^6
Prime Factorization
2 × 2 × 3 × 19 × 96043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10948902
Product of the distinct prime numbers
The prime factorization of 21897804 is 2 × 2 × 3 × 19 × 96043.
Since it has a total of 5 prime factors.
5 , 1 , 53 , 28 , 476 , 465 , 1541 , 2313 , 4300 , 38101 , 112023 , 894472 , 5758194 , 6294221 , 47765155 , 31351638 , 718494339 , 557046941 , 5879627064 , 6988706626
n×2
43795608
n×3
65693412
n×4
87591216
n×5
109489020
n÷2
10948902
n÷3
7299268
n÷3
5474451
n÷5
4379560.8
n2
479513820022416
n3
1.0500299646142E+22
n4
2.2993350359249E+29
n5
5.0350387947016E+36
2 √n
4679.5089485971
3 √n
279.7693849417
4 √n
68.406936407042
5 √n
29.381916003124
1 , 2 , 3 , 4 , 6 , 12 , 19 , 38 , 57 , 76 , 114 , 228 , 96043 , 192086 , 288129 , 384172 , 576258 , 1152516 , 1824817 , 3649634 , 5474451 , 7299268 , 10948902 , 21897804
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21897803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21897804 can be divided by 24 positive divisors.
The sum of these divisors (counting 21897804) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011100010001001001100
3
Ternary
1112012112010210
4
Quaternary
1103202021030
5
Quinary
21101212204
6
Senary
2101202420
8
Octal
123421114
10
Decimal
21897804
12
Duodecimal
7400410
16
Hexadecimal
14e224c
20
Vigesimal
6gh4a4
36
Base36
d1cgc
md5
d23a3f9cbbcaced481fceb2a3b14dfb7
sha1
48f2317b734d0feddad8c1e8dd814bbfc16266f4
sha256
f632be88610a0b6261d15d3d3a88c1fa37e526aad3c7656e83bee6f38c0df32d
sha512
ed14f92745d4f0f0d2ca583ddfd59aa951bbccbc5639fa84befc86f2ef0f00415797a31922fd45a79390c00ab4d0ac556f55ced99564c358918419ff2d114a03
ripemd-160
65f138a0b61a3254d7bbae9fbf2904c88516b8e0
Diameter
43795608
Circumference
137587960.3523
Area
1.5064370942772E+15
Volume
4.3983552305082E+22
Surface area
6.0257483771088E+15
Circumference
137587960.3523
Perimeter
87591216
Area
479513820022416
Diagonal
30968171.402988
Surface area
2877082920134496
Volume
1.0500299646142E+22
Space diagonal
37928109.102185
Perimeter
65693412
Area
2.0763557480257E+14
Altitude
18964054.551092
Surface area
2.0763557480257E+14
Volume
1.237472180713E+21
Height
10322723.800996