21494750 is an even 8-digits composite number following 21494749
and preceding 21494751 . In scientific notation, it is written as 2.1494750 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 8517600 positive integers (up to 21494750) that are relatively prime to 21494750.
21494750 has 32 divisors, whose sum is 40614912
The reverse of 21494750 is 05749412
Previous prime number is 127
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-four thousand seven hundred fifty
Scientific notation
2.1494750 × 10^7
Engineering notation
2.1494750 × 10^6
Prime Factorization
2 × 25 × 5 × 127 × 677
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21494750
Product of the distinct prime numbers
The prime factorization of 21494750 is 2 × 25 × 5 × 127 × 677.
Since it has a total of 5 prime factors.
2 , 3 , 94 , 72 , 184 , 231 , 4695 , 319 , 86539 , 73883 , 655950 , 619004 , 3476479 , 8378549 , 23734629 , 83388759 , 96640342 , 402774054 , 191984386 , 286110539
n×2
42989500
n×3
64484250
n×4
85979000
n×5
107473750
n÷2
10747375
n÷3
7164916.6666667
n÷3
5373687.5
n÷5
4298950
n2
462024277562500
n3
9.9310963401365E+21
n4
2.1346643305715E+29
n5
4.5884076119552E+36
2 √n
4636.2430911245
3 √n
278.04225329499
4 √n
68.089963218705
5 √n
29.272949239895
1 , 2 , 5 , 10 , 25 , 50 , 125 , 127 , 250 , 254 , 635 , 677 , 1270 , 1354 , 3175 , 3385 , 6350 , 6770 , 15875 , 16925 , 31750 , 33850 , 84625 , 85979 , 169250 , 171958 , 429895 , 859790 , 2149475 , 4298950 , 10747375 , 21494750
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21494749
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494750 can be divided by 32 positive divisors.
The sum of these divisors (counting 21494750) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111101111011110
3
Ternary
1111110001020212
4
Quaternary
1101333233132
5
Quinary
21000313000
6
Senary
2044412422
8
Octal
121775736
10
Decimal
21494750
12
Duodecimal
7247112
16
Hexadecimal
147fbde
20
Vigesimal
6e6gha
36
Base36
cspge
md5
2f8f22018bd4eef2648811509f280d6a
sha1
a0800724ebdf49df0e70379d4f52f03b90b4e57d
sha256
33bb274a3ead173679a80d3b0b49014ff0a5856e425dab559b723d116c3be81b
sha512
4a98ddcf4aa4b562c11f124b17a032dc2cb792305328bb61e60b3f2bda4acccd1ecaa4789fa15693a2c9e680e89558f4d599e8b9aa8ff203913c4f78ee240032
ripemd-160
6b16f9dfbc5608af723e037fe06ef0928087f5db
Diameter
42989500
Circumference
135055497.3815
Area
1.4514920761705E+15
Volume
4.1599279072354E+22
Surface area
5.8059683046819E+15
Circumference
135055497.3815
Perimeter
85979000
Area
462024277562500
Diagonal
30398166.969819
Surface area
2772145665375000
Volume
9.9310963401365E+21
Space diagonal
37229999.095991
Perimeter
64484250
Area
2.0006238076714E+14
Altitude
18614999.547996
Surface area
2.0006238076714E+14
Volume
1.1703909277879E+21
Height
10132722.323273