21490318 is an even 8-digits composite number following 21490317
and preceding 21490319 . In scientific notation, it is written as 2.1490318 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 10706640 positive integers (up to 21490318) that are relatively prime to 21490318.
21490318 has 8 divisors, whose sum is 32351040
The reverse of 21490318 is 81309412
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred ninety thousand three hundred eighteen
Scientific notation
2.1490318 × 10^7
Engineering notation
2.1490318 × 10^6
Prime Factorization
2 × 281 × 38239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490318
Product of the distinct prime numbers
The prime factorization of 21490318 is 2 × 281 × 38239.
Since it has a total of 3 prime factors.
9 , 7 , 34 , 48 , 678 , 375 , 2909 , 5766 , 85757 , 31983 , 269735 , 22130 , 4827445 , 2767900 , 70455887 , 1743127 , 305706001 , 917056260 , 4586625 , 8862924329
n×2
42980636
n×3
64470954
n×4
85961272
n×5
107451590
n÷2
10745159
n÷3
7163439.3333333
n÷3
5372579.5
n÷5
4298063.6
n2
461833767741124
n3
9.9249545318949E+21
n4
2.1329042902596E+29
n5
4.5836791461244E+36
2 √n
4635.7650932721
3 √n
278.02314214814
4 √n
68.086453081888
5 √n
29.271741983122
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
-21490317
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 21490318 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490318) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110101010001110
3
Ternary
1111102211011201
4
Quaternary
1101332222032
5
Quinary
21000142233
6
Senary
2044340114
8
Octal
121765216
10
Decimal
21490318
12
Duodecimal
724463a
16
Hexadecimal
147ea8e
20
Vigesimal
6e65fi
36
Base36
csm1a
md5
f8cc930ecf6ffa2c227a1a917f1d08ca
sha1
972c6ece2fb28cdc31068bae8afdcb69ce08855a
sha256
95b7c2bdcbeb966aea44e4c74ae35b338fb31d0b68baaaaedb3bcae4ad45644b
sha512
bb4281e3b66a828032eb798c1103e8aa08e45d9d1c57d3c2d7ed14f671e2ed68711b986078cb86102dee3cd019ed6b333fc04939f563e8d11c518940e3448e48
ripemd-160
b26f3818f9928f1ee04cda08d4100a99405ac7e7
Diameter
42980636
Circumference
135027650.30422
Area
1.4508935719152E+15
Volume
4.1573552326152E+22
Surface area
5.8035742876608E+15
Circumference
135027650.30422
Perimeter
85961272
Area
461833767741124
Diagonal
30391899.175311
Surface area
2771002606446744
Volume
9.9249545318949E+21
Space diagonal
37222322.646812
Perimeter
64470954
Area
1.9997988759465E+14
Altitude
18611161.323406
Surface area
1.9997988759465E+14
Volume
1.1696671087452E+21
Height
10130633.058437