21494845 is an odd 8-digits composite number following 21494844
and preceding 21494846 . In scientific notation, it is written as 2.1494845 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 17165376 positive integers (up to 21494845) that are relatively prime to 21494845.
21494845 has 4 divisors, whose sum is 21504924
The reverse of 21494845 is 54849412
Previous prime number is 3065
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-four thousand eight hundred forty-five
Scientific notation
2.1494845 × 10^7
Engineering notation
2.1494845 × 10^6
Prime Factorization
3065 × 7013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494845
Product of the distinct prime numbers
The prime factorization of 21494845 is 3065 × 7013.
Since it has a total of 2 prime factors.
8 , 10 , 14 , 6 , 783 , 953 , 1928 , 8601 , 81034 , 18302 , 851841 , 727072 , 8828347 , 7095389 , 84312580 , 18798303 , 243928117 , 478382433 , 3845547894 , 3606939145
n×2
42989690
n×3
64484535
n×4
85979380
n×5
107474225
n÷2
10747422.5
n÷3
7164948.3333333
n÷3
5373711.25
n÷5
4298969
n2
462028361574025
n3
9.9312280176376E+21
n4
2.1347020689878E+29
n5
4.5885090094072E+36
2 √n
4636.2533364776
3 √n
278.04266291401
4 √n
68.090038452608
5 √n
29.272975115286
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
-21494844
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 21494845 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494845) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111110000111101
3
Ternary
1111110001101101
4
Quaternary
1101333300331
5
Quinary
21000313340
6
Senary
2044413101
8
Octal
121776075
10
Decimal
21494845
12
Duodecimal
7247191
16
Hexadecimal
147fc3d
20
Vigesimal
6e6h25
36
Base36
cspj1
md5
1655b8506a994901626aa0b6bbe6c335
sha1
6a5ea0f170319a211663f2438ff24adeea23df6e
sha256
4863736256eb0a61bc73b379179a918c1198d7f9fce6ca33049f949bf07c76fa
sha512
9f19502e67a0058bc260f59fab58a1c8a8bbd2152d932e808be6b90702503cd70c3a11afd4db88883781ec8c676884f26e16e97d8c76e89eab60b22b12a8c61b
ripemd-160
368d02a8576176a27e8fd81fb72b0074fc17a738
Diameter
42989690
Circumference
135056094.2841
Area
1.4515049064711E+15
Volume
4.1599830641781E+22
Surface area
5.8060196258843E+15
Circumference
135056094.2841
Perimeter
85979380
Area
462028361574025
Diagonal
30398301.320108
Surface area
2772170169444150
Volume
9.9312280176376E+21
Space diagonal
37230163.640818
Perimeter
64484535
Area
2.00064149196E+14
Altitude
18615081.820409
Surface area
2.00064149196E+14
Volume
1.1704064461302E+21
Height
10132767.106703