21492091 is an odd 8-digits composite number following 21492090
and preceding 21492092 . In scientific notation, it is written as 2.1492091 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21479800 positive integers (up to 21492091) that are relatively prime to 21492091.
21492091 has 4 divisors, whose sum is 21504384
The reverse of 21492091 is 19029412
Previous prime number is 2111
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand ninety-one
Scientific notation
2.1492091 × 10^7
Engineering notation
2.1492091 × 10^6
Prime Factorization
2111 × 10181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492091
Product of the distinct prime numbers
The prime factorization of 21492091 is 2111 × 10181.
Since it has a total of 2 prime factors.
1 , 5 , 26 , 1 , 838 , 534 , 9823 , 3609 , 81225 , 52541 , 880149 , 482700 , 93120 , 6056409 , 16283683 , 87287521 , 555996241 , 108289955 , 2425617409 , 3176848713
n×2
42984182
n×3
64476273
n×4
85968364
n×5
107460455
n÷2
10746045.5
n÷3
7164030.3333333
n÷3
5373022.75
n÷5
4298418.2
n2
461909975552281
n3
9.9274112283774E+21
n4
2.1336082551471E+29
n5
4.5855702777972E+36
2 √n
4635.9563198978
3 √n
278.03078778459
4 √n
68.087857360162
5 √n
29.272224964211
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
-21492090
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 21492091 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492091) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111000101111011
3
Ternary
1111102220121101
4
Quaternary
1101333011323
5
Quinary
21000221331
6
Senary
2044352231
8
Octal
121770573
10
Decimal
21492091
12
Duodecimal
7245677
16
Hexadecimal
147f17b
20
Vigesimal
6e6a4b
36
Base36
csnej
md5
794988a69fba0ba041eac6fce37b9d7c
sha1
2e9a911dc43d3c606e5bef68210d7c2053210117
sha256
0d70afa902861a44df79742154d0f49aee3664b4e3a9ed7b74a691d2d43156fb
sha512
ff0931ae1285ff9a03e7651bd97ff30c238b4659694d9b19293f780e91ef068f3bb4a9d8c5adb54651b271536e888a74c193fa274efe5cb71edb315e87fcecf7
ripemd-160
36ccb3861b85f01495518bb6bdfd260265332a2a
Diameter
42984182
Circumference
135038790.39177
Area
1.4511329858149E+15
Volume
4.1583842912314E+22
Surface area
5.8045319432595E+15
Circumference
135038790.39177
Perimeter
85968364
Area
461909975552281
Diagonal
30394406.575957
Surface area
2771459853313686
Volume
9.9274112283774E+21
Space diagonal
37225393.572894
Perimeter
64476273
Area
2.0001288654486E+14
Altitude
18612696.786447
Surface area
2.0001288654486E+14
Volume
1.1699566332022E+21
Height
10131468.858652