21860189 is an odd 8-digits composite number following 21860188
and preceding 21860190 . In scientific notation, it is written as 2.1860189 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 19100928 positive integers (up to 21860189) that are relatively prime to 21860189.
21860189 has 8 divisors, whose sum is 22861440
The reverse of 21860189 is 98106812
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eight hundred sixty thousand one hundred eighty-nine
Scientific notation
2.1860189 × 10^7
Engineering notation
2.1860189 × 10^6
Prime Factorization
1469 × 23 × 647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21860189
Product of the distinct prime numbers
The prime factorization of 21860189 is 1469 × 23 × 647.
Since it has a total of 3 prime factors.
8 , 8 , 68 , 9 , 546 , 451 , 8144 , 8649 , 78145 , 9900 , 88689 , 75469 , 6076883 , 6952009 , 22996876 , 17914688 , 48151699 , 704612406 , 6530320063 , 5576794880
n×2
43720378
n×3
65580567
n×4
87440756
n×5
109300945
n÷2
10930094.5
n÷3
7286729.6666667
n÷3
5465047.25
n÷5
4372037.8
n2
477867863115721
n3
1.0446281804736E+22
n4
2.2835769459879E+29
n5
4.9919423635337E+36
2 √n
4675.4881028616
3 √n
279.60910164306
4 √n
68.377540924353
5 √n
29.371814890351
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
-21860188
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 21860189 can be divided by 8 positive divisors.
The sum of these divisors (counting 21860189) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011011000111101011101
3
Ternary
1112010121112122
4
Quaternary
1103120331131
5
Quinary
21044011224
6
Senary
2100312325
8
Octal
123307535
10
Decimal
21860189
12
Duodecimal
73a26a5
16
Hexadecimal
14d8f5d
20
Vigesimal
6gca99
36
Base36
d0jfh
md5
276e9822742caf3b5a0bf10cc2dd7ed1
sha1
c1918658262f4c6b5379ae170c336defa1826c54
sha256
745357e025d04fc7da0142810eb1e600f71c4e34ae43d4c9fccff66b9476041d
sha512
6d37cc4fa47a5e7587c9bb7abc0b8ce1258df42e026996c1fa8d25a17642a197c114c5c1d5f0b168ddb786a81948c14a7675d52d88bc0f8d4f3b856c7c280e53
ripemd-160
62e524a424e62b763891d5be08779c60fe855ab9
Diameter
43720378
Circumference
137351618.33697
Area
1.501266168151E+15
Volume
4.3757282900116E+22
Surface area
6.005064672604E+15
Circumference
137351618.33697
Perimeter
87440756
Area
477867863115721
Diagonal
30914975.759839
Surface area
2867207178694326
Volume
1.0446281804736E+22
Space diagonal
37862958.011058
Perimeter
65580567
Area
2.069228545552E+14
Altitude
18931479.005529
Surface area
2.069228545552E+14
Volume
1.2311061170524E+21
Height
10304991.919946