21861794 is an even 8-digits composite number following 21861793
and preceding 21861795 . In scientific notation, it is written as 2.1861794 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10921140 positive integers (up to 21861794) that are relatively prime to 21861794.
21861794 has 8 divisors, whose sum is 32821968
The reverse of 21861794 is 49716812
Previous prime number is 1291
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eight hundred sixty-one thousand seven hundred ninety-four
Scientific notation
2.1861794 × 10^7
Engineering notation
2.1861794 × 10^6
Prime Factorization
2 × 1291 × 8467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21861794
Product of the distinct prime numbers
The prime factorization of 21861794 is 2 × 1291 × 8467.
Since it has a total of 3 prime factors.
6 , 1 , 11 , 37 , 612 , 627 , 9991 , 695 , 72633 , 92018 , 934460 , 692242 , 6098499 , 5721470 , 6879804 , 18598449 , 958125511 , 96545941 , 8044253299 , 7327221509
n×2
43723588
n×3
65585382
n×4
87447176
n×5
109308970
n÷2
10930897
n÷3
7287264.6666667
n÷3
5465448.5
n÷5
4372358.8
n2
477938036898436
n3
1.0448582907438E+22
n4
2.2842476711433E+29
n5
4.9937752031515E+36
2 √n
4675.6597395448
3 √n
279.61594454861
4 √n
68.378795979052
5 √n
29.372246180112
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861793
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861794 can be divided by 8 positive divisors.
The sum of these divisors (counting 21861794) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011001010110100010
3
Ternary
1112010200202002
4
Quaternary
1103121112202
5
Quinary
21044034134
6
Senary
2100324002
8
Octal
123312642
10
Decimal
21861794
12
Duodecimal
73a3602
16
Hexadecimal
14d95a2
20
Vigesimal
6gce9e
36
Base36
d0ko2
md5
422451afc243d23efa93b8f38d213d46
sha1
b4c9bbe990514dc259008df57d0219327bc106f1
sha256
14eec8d42d997b82b8c723d557dd5634c6932dbfa927fb53411f6be12786e8e0
sha512
3fd5c42fa69fd10ec4c4ee12e73e81a7bccbec8d6f240a6fa5addf4b35db701bf9c89504cef75cac6b5b334ee1fb2137d4e26fa8876e97e5cd61b2c42f364ac8
ripemd-160
33dd152e34ed79c5cc909a654423068130f4ca34
Diameter
43723588
Circumference
137361702.84939
Area
1.5014866255913E+15
Volume
4.3766921736575E+22
Surface area
6.005946502365E+15
Circumference
137361702.84939
Perimeter
87447176
Area
477938036898436
Diagonal
30917245.572607
Surface area
2867628221390616
Volume
1.0448582907438E+22
Space diagonal
37865737.952604
Perimeter
65585382
Area
2.0695324069445E+14
Altitude
18932868.976302
Surface area
2.0695324069445E+14
Volume
1.2313773046065E+21
Height
10305748.524202