21961331 is an odd 8-digits composite number following 21961330
and preceding 21961332 . In scientific notation, it is written as 2.1961331 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 17600640 positive integers (up to 21961331) that are relatively prime to 21961331.
21961331 has 16 divisors, whose sum is 26749440
The reverse of 21961331 is 13316912
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million nine hundred sixty-one thousand three hundred thirty-one
Scientific notation
2.1961331 × 10^7
Engineering notation
2.1961331 × 10^6
Prime Factorization
7 × 17 × 179 × 1031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21961331
Product of the distinct prime numbers
The prime factorization of 21961331 is 7 × 17 × 179 × 1031.
Since it has a total of 4 prime factors.
10 , 10 , 96 , 47 , 892 , 39 , 1452 , 577 , 16227 , 12044 , 527599 , 925949 , 5322626 , 9247544 , 91946582 , 87680360 , 413969784 , 673756424 , 3166870870 , 2025341904
n×2
43922662
n×3
65883993
n×4
87845324
n×5
109806655
n÷2
10980665.5
n÷3
7320443.6666667
n÷3
5490332.75
n÷5
4392266.2
n2
482300059291561
n3
1.0591951243422E+22
n4
2.3261334719264E+29
n5
5.1084987127156E+36
2 √n
4686.2918176315
3 √n
280.03966699924
4 √n
68.456495803039
5 √n
29.398944037091
1 , 7 , 17 , 119 , 179 , 1031 , 1253 , 3043 , 7217 , 17527 , 21301 , 122689 , 184549 , 1291843 , 3137333 , 21961331
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21961330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21961331 can be divided by 16 positive divisors.
The sum of these divisors (counting 21961331) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011110001101001110011
3
Ternary
1112022202021122
4
Quaternary
1103301221303
5
Quinary
21110230311
6
Senary
2102412455
8
Octal
123615163
10
Decimal
21961331
12
Duodecimal
743112b
16
Hexadecimal
14f1a73
20
Vigesimal
6h536b
36
Base36
d2pgz
md5
5f8147064cf4b8a075f8ba48ddda3d3a
sha1
b59ee112698e6c49ef8a2c896da64a149ff91b8a
sha256
c079f5424e8450d48212d5b20cd8dc7d655c6339d1036a15a230e0ed1ce71e5d
sha512
becf4323907e70092eb67f30301e3ac3acf7d308c9c10198ff7a4d32473964b68394baf58d8b3db971d0231e1122011f03c9964399f6b5b71ab69d866b37345a
ripemd-160
31bc2ef310b0e9eeba3569c1858071a138b8e6d0
Diameter
43922662
Circumference
137987112.26531
Area
1.5151903230963E+15
Volume
4.4367461618019E+22
Surface area
6.0607612923852E+15
Circumference
137987112.26531
Perimeter
87845324
Area
482300059291561
Diagonal
31058012.147965
Surface area
2893800355749366
Volume
1.0591951243422E+22
Space diagonal
38038141.093837
Perimeter
65883993
Area
2.0884205179662E+14
Altitude
19019070.546919
Surface area
2.0884205179662E+14
Volume
1.2482734250368E+21
Height
10352670.715988