21491882 is an even 8-digits composite number following 21491881
and preceding 21491883 . In scientific notation, it is written as 2.1491882 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10703872 positive integers (up to 21491882) that are relatively prime to 21491882.
21491882 has 8 divisors, whose sum is 32364036
The reverse of 21491882 is 28819412
Previous prime number is 257
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-one thousand eight hundred eighty-two
Scientific notation
2.1491882 × 10^7
Engineering notation
2.1491882 × 10^6
Prime Factorization
2 × 257 × 41813
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21491882
Product of the distinct prime numbers
The prime factorization of 21491882 is 2 × 257 × 41813.
Since it has a total of 3 prime factors.
10 , 4 , 17 , 19 , 957 , 179 , 9949 , 1419 , 4536 , 44995 , 432124 , 240983 , 7236181 , 6696107 , 59928277 , 29492214 , 941956221 , 503983302 , 9851427908 , 8192709630
n×2
42983764
n×3
64475646
n×4
85967528
n×5
107459410
n÷2
10745941
n÷3
7163960.6666667
n÷3
5372970.5
n÷5
4298376.4
n2
461900991901924
n3
9.9271216136391E+21
n4
2.1335252631998E+29
n5
4.5853473200709E+36
2 √n
4635.933778647
3 √n
278.02988654417
4 √n
68.087691829339
5 √n
29.272168032395
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
-21491881
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 21491882 can be divided by 8 positive divisors.
The sum of these divisors (counting 21491882) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111000010101010
3
Ternary
1111102220022122
4
Quaternary
1101333002222
5
Quinary
21000220012
6
Senary
2044351242
8
Octal
121770252
10
Decimal
21491882
12
Duodecimal
7245522
16
Hexadecimal
147f0aa
20
Vigesimal
6e69e2
36
Base36
csn8q
md5
4b94d1d4603c7874a00950f2482f1f7c
sha1
ef00ad3faafca9ec73fc74cf243131a531250dc2
sha256
f0cad40102db257786b60fec715028df13f2cb3b3f246e9c240baba6ccf3e9b7
sha512
7de9e525175f624d9bc9846f716e1dfc81e2f724016b43be67d8ff865ccb6732a6cfb881947ca14f34646cee194c4df1b7d9e1b89456e66f34d961312196d189
ripemd-160
1fd3cf89413b99faf9a6607ebda0d4aef8b6e9da
Diameter
42983764
Circumference
135037477.20604
Area
1.4511047628449E+15
Volume
4.1582629776935E+22
Surface area
5.8044190513797E+15
Circumference
135037477.20604
Perimeter
85967528
Area
461900991901924
Diagonal
30394111.005322
Surface area
2771405951411544
Volume
9.9271216136391E+21
Space diagonal
37225031.574275
Perimeter
64475646
Area
2.0000899651015E+14
Altitude
18612515.787138
Surface area
2.0000899651015E+14
Volume
1.169922501778E+21
Height
10131370.335107