21490168 is an even 8-digits composite number following 21490167
and preceding 21490169 . In scientific notation, it is written as 2.1490168 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 9210048 positive integers (up to 21490168) that are relatively prime to 21490168.
21490168 has 16 divisors, whose sum is 46050480
The reverse of 21490168 is 86109412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety thousand one hundred sixty-eight
Scientific notation
2.1490168 × 10^7
Engineering notation
2.1490168 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 383753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5372542
Product of the distinct prime numbers
The prime factorization of 21490168 is 2 × 2 × 2 × 7 × 383753.
Since it has a total of 5 prime factors.
2 , 3 , 30 , 50 , 778 , 807 , 795 , 9289 , 78582 , 43984 , 108271 , 854648 , 2884666 , 8969019 , 55037011 , 14669870 , 491833430 , 637046953 , 852107061 , 5949771827
n×2
42980336
n×3
64470504
n×4
85960672
n×5
107450840
n÷2
10745084
n÷3
7163389.3333333
n÷3
5372542
n÷5
4298033.6
n2
461827320668224
n3
9.92474670815E+21
n4
2.1328447411559E+29
n5
4.5835191805357E+36
2 √n
4635.7489146847
3 √n
278.0224952899
4 √n
68.086334272633
5 √n
29.271701120315
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 383753 , 767506 , 1535012 , 2686271 , 3070024 , 5372542 , 10745084 , 21490168
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490167
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490168 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490168) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110100111111000
3
Ternary
1111102210222011
4
Quaternary
1101332213320
5
Quinary
21000141133
6
Senary
2044335304
8
Octal
121764770
10
Decimal
21490168
12
Duodecimal
7244534
16
Hexadecimal
147e9f8
20
Vigesimal
6e6588
36
Base36
cslx4
md5
6ac052337876a29a21761ba5dc6717b5
sha1
bbcf651acde517fa36deb43bb26f6e72ddb76e3d
sha256
d986172e50f41181bfcf6275608f45f7c7c8901e4fea5b6894b7bd4bdcadb126
sha512
1aec31dad8fed3e047066b1b34319c0ae9a260c77da365a5ee5b0871eb9b7c61165ce1ee9f8153f3de41b8dc7009079ea40055b7edc2145b879996e0b7a3877f
ripemd-160
848d0db66d3441d9b8d94eb9f9b475628f4d94e3
Diameter
42980336
Circumference
135026707.82642
Area
1.4508733178384E+15
Volume
4.1572681796085E+22
Surface area
5.8034932713534E+15
Circumference
135026707.82642
Perimeter
85960672
Area
461827320668224
Diagonal
30391687.043276
Surface area
2770963924009344
Volume
9.92474670815E+21
Space diagonal
37222062.839191
Perimeter
64470504
Area
1.9997709593019E+14
Altitude
18611031.419595
Surface area
1.9997709593019E+14
Volume
1.169642616482E+21
Height
10130562.347759