21961844 is an even 8-digits composite number following 21961843
and preceding 21961845 . In scientific notation, it is written as 2.1961844 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 10872000 positive integers (up to 21961844) that are relatively prime to 21961844.
21961844 has 12 divisors, whose sum is 38814468
The reverse of 21961844 is 44816912
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million nine hundred sixty-one thousand eight hundred forty-four
Scientific notation
2.1961844 × 10^7
Engineering notation
2.1961844 × 10^6
Prime Factorization
2 × 2 × 101 × 54361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10980922
Product of the distinct prime numbers
The prime factorization of 21961844 is 2 × 2 × 101 × 54361.
Since it has a total of 4 prime factors.
10 , 1 , 99 , 62 , 490 , 294 , 9990 , 2883 , 44966 , 83794 , 126013 , 915310 , 2775361 , 4627829 , 38415200 , 84416744 , 956140421 , 182901373 , 7028099349 , 4200797680
n×2
43923688
n×3
65885532
n×4
87847376
n×5
109809220
n÷2
10980922
n÷3
7320614.6666667
n÷3
5490461
n÷5
4392368.8
n2
482322591880336
n3
1.0592693520552E+22
n4
2.3263508263817E+29
n5
5.1090953938265E+36
2 √n
4686.3465514193
3 √n
280.04184748686
4 √n
68.456895572465
5 √n
29.399081383205
1 , 2 , 4 , 101 , 202 , 404 , 54361 , 108722 , 217444 , 5490461 , 10980922 , 21961844
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21961843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21961844 can be divided by 12 positive divisors.
The sum of these divisors (counting 21961844) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011110001110001110100
3
Ternary
1112022202222122
4
Quaternary
1103301301310
5
Quinary
21110234334
6
Senary
2102415112
8
Octal
123616164
10
Decimal
21961844
12
Duodecimal
7431498
16
Hexadecimal
14f1c74
20
Vigesimal
6h54c4
36
Base36
d2pv8
md5
33191854d111b7801dd636116dcc8c6c
sha1
c4932ca3dc4a714bbaa0e4608a92a0ac5fe7818c
sha256
be61361bdc8e1a9d9eafa701f3d229c6a2ea25e12ab1d4648a3be280f46dafb3
sha512
105e3886b9cc65499a09a1e39a1457046925fbb349eea0149dab8f985501ca16e87f6c30ce41c5f670bfc41e9798a8ff5d610d3b66332aafc2755c43b0fe4b29
ripemd-160
c13379d1fcab15c327a779ffdc80376ab6c79925
Diameter
43923688
Circumference
137990335.53937
Area
1.5152611113117E+15
Volume
4.4370570861191E+22
Surface area
6.0610444452466E+15
Circumference
137990335.53937
Perimeter
87847376
Area
482322591880336
Diagonal
31058737.639522
Surface area
2893935551282016
Volume
1.0592693520552E+22
Space diagonal
38039029.635902
Perimeter
65885532
Area
2.0885180869376E+14
Altitude
19019514.817951
Surface area
2.0885180869376E+14
Volume
1.2483609032355E+21
Height
10352912.546507