21861146 is an even 8-digits composite number following 21861145
and preceding 21861147 . In scientific notation, it is written as 2.1861146 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10930572 positive integers (up to 21861146) that are relatively prime to 21861146.
21861146 has 4 divisors, whose sum is 32791722
The reverse of 21861146 is 64116812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million eight hundred sixty-one thousand one hundred forty-six
Scientific notation
2.1861146 × 10^7
Engineering notation
2.1861146 × 10^6
Prime Factorization
2 × 10930573
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21861146
Product of the distinct prime numbers
The prime factorization of 21861146 is 2 × 10930573.
Since it has a total of 2 prime factors.
9 , 9 , 46 , 29 , 881 , 895 , 6338 , 4379 , 22710 , 422 , 477883 , 784944 , 357877 , 1953815 , 34736131 , 38231789 , 534102533 , 183791978 , 2428525030 , 2045287981
n×2
43722292
n×3
65583438
n×4
87444584
n×5
109305730
n÷2
10930573
n÷3
7287048.6666667
n÷3
5465286.5
n÷5
4372229.2
n2
477909704433316
n3
1.0447653823434E+22
n4
2.2839768559154E+29
n5
4.9930351507787E+36
2 √n
4675.5904439974
3 √n
279.61318184575
4 √n
68.378289273697
5 √n
29.372072054958
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861145
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861146 can be divided by 4 positive divisors.
The sum of these divisors (counting 21861146) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011001001100011010
3
Ternary
1112010122212002
4
Quaternary
1103121030122
5
Quinary
21044024041
6
Senary
2100321002
8
Octal
123311432
10
Decimal
21861146
12
Duodecimal
73a3162
16
Hexadecimal
14d931a
20
Vigesimal
6gcch6
36
Base36
d0k62
md5
8914eca072209fbc95265a57aa9713f4
sha1
dc17a246cb98bb7fce51e822a12cb4a20ee07440
sha256
13b9ea77b4e7a232953e461d3f2491bf190388f4c81f4b165c75a61367faa838
sha512
6bfcb7f5bc56dc66a70d44551905e19600f67f12f380a2ac7338e1f023d55ea8e1bde2b5da1558f137136b71db38ede7c5e8341dfeaab89110be5b1714c7c7b6
ripemd-160
fb07ab7f73bb21b621663c95080e2c64593ec10a
Diameter
43722292
Circumference
137357631.34531
Area
1.501397616527E+15
Volume
4.3763029998598E+22
Surface area
6.0055904661079E+15
Circumference
137357631.34531
Perimeter
87444584
Area
477909704433316
Diagonal
30916329.162218
Surface area
2867458226599896
Volume
1.0447653823434E+22
Space diagonal
37864615.583681
Perimeter
65583438
Area
2.0694097237718E+14
Altitude
18932307.791841
Surface area
2.0694097237718E+14
Volume
1.2312678110066E+21
Height
10305443.054073