21495730 is an even 8-digits composite number following 21495729
and preceding 21495731 . In scientific notation, it is written as 2.1495730 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8598288 positive integers (up to 21495730) that are relatively prime to 21495730.
21495730 has 8 divisors, whose sum is 38692332
The reverse of 21495730 is 03759412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-five thousand seven hundred thirty
Scientific notation
2.1495730 × 10^7
Engineering notation
2.1495730 × 10^6
Prime Factorization
2 × 5 × 2149573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21495730
Product of the distinct prime numbers
The prime factorization of 21495730 is 2 × 5 × 2149573.
Since it has a total of 3 prime factors.
7 , 3 , 63 , 25 , 288 , 947 , 9074 , 1198 , 57601 , 80203 , 220369 , 188666 , 1960623 , 1060789 , 83754735 , 26711666 , 268539914 , 390736597 , 4256634476 , 4617396349
n×2
42991460
n×3
64487190
n×4
85982920
n×5
107478650
n÷2
10747865
n÷3
7165243.3333333
n÷3
5373932.5
n÷5
4299146
n2
462066408232900
n3
9.9324547534442E+21
n4
2.1350536561725E+29
n5
4.5894536928598E+36
2 √n
4636.3487789423
3 √n
278.04647878055
4 √n
68.090739303831
5 √n
29.273216160581
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
-21495729
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 21495730 can be divided by 8 positive divisors.
The sum of these divisors (counting 21495730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111111110110010
3
Ternary
1111110002121011
4
Quaternary
1101333332302
5
Quinary
21000330410
6
Senary
2044421134
8
Octal
121777662
10
Decimal
21495730
12
Duodecimal
72477aa
16
Hexadecimal
147ffb2
20
Vigesimal
6e6j6a
36
Base36
csq7m
md5
96266cd0de8f98a9ad68540efacfae1d
sha1
b57bb9df8d91976581b6abe03f783c7818f63594
sha256
fd658c92b3b3da05781fd87030c797935f27f18ed2bebc56e6064e08f50c01d3
sha512
50ad971770dbe0e1560450246a7496e49f4fd77310b50d999d515f8488ea3f4d5bae3da2f60a938fc5447bf819c615b0fdd0be91a74f703a92e20328ce8be2d5
ripemd-160
c8e50d503aa5f7511e7934e08342474b3ceaa8b2
Diameter
42991460
Circumference
135061654.9031
Area
1.4516244335751E+15
Volume
4.1604969180711E+22
Surface area
5.8064977343004E+15
Circumference
135061654.9031
Perimeter
85982920
Area
462066408232900
Diagonal
30399552.89911
Surface area
2772398449397400
Volume
9.9324547534442E+21
Space diagonal
37231696.505783
Perimeter
64487190
Area
2.0008062388256E+14
Altitude
18615848.252891
Surface area
2.0008062388256E+14
Volume
1.1705510183315E+21
Height
10133184.299703