21904910 is an even 8-digits composite number following 21904909
and preceding 21904911 . In scientific notation, it is written as 2.1904910 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8030880 positive integers (up to 21904910) that are relatively prime to 21904910.
21904910 has 16 divisors, whose sum is 34283520
The reverse of 21904910 is 01940912
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million nine hundred four thousand nine hundred ten
Scientific notation
2.1904910 × 10^7
Engineering notation
2.1904910 × 10^6
Prime Factorization
2 × 95 × 31 × 3719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21904910
Product of the distinct prime numbers
The prime factorization of 21904910 is 2 × 95 × 31 × 3719.
Since it has a total of 4 prime factors.
2 , 7 , 54 , 7 , 757 , 751 , 1355 , 9974 , 4445 , 29343 , 244509 , 517453 , 2144898 , 3128366 , 2742107 , 69482931 , 626815641 , 253741135 , 2084490204 , 6195230283
n×2
43809820
n×3
65714730
n×4
87619640
n×5
109524550
n÷2
10952455
n÷3
7301636.6666667
n÷3
5476227.5
n÷5
4380982
n2
479825082108100
n3
1.0510525239321E+22
n4
2.3023210942004E+29
n5
5.0432136359562E+36
2 √n
4680.2681547108
3 √n
279.79964408311
4 √n
68.412485371537
5 √n
29.383822685631
1 , 2 , 31 , 62 , 95 , 190 , 2945 , 3719 , 5890 , 7438 , 115289 , 230578 , 353305 , 706610 , 10952455 , 21904910
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
-21904909
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 21904910 can be divided by 16 positive divisors.
The sum of these divisors (counting 21904910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011100011111000001110
3
Ternary
1112012212212222
4
Quaternary
1103203320032
5
Quinary
21101424120
6
Senary
2101255342
8
Octal
123437016
10
Decimal
21904910
12
Duodecimal
7404552
16
Hexadecimal
14e3e0e
20
Vigesimal
6gi25a
36
Base36
d1hxq
md5
7573914d11c7c3c2f713bb2491e8e9a0
sha1
7ce68d6536e1534361ecb0233168467040921f11
sha256
c3325bcbe524b928c7ca10e9c7db7f2319309611c136406991ebdcb1f56ef9bc
sha512
cd965335f438c179e00e473c01aa54610b0ed95bcd1191348412118064d512e9fab4d4c6d9b2aeb6edf4e57bf5353b8e9fc9621a1b11ab25b012b35690e9b48d
ripemd-160
f1f6a8188bd5d2f88848cab1c3b05d79cac03ca1
Diameter
43809820
Circumference
137632608.66709
Area
1.5074149529589E+15
Volume
4.4026385169626E+22
Surface area
6.0296598118357E+15
Circumference
137632608.66709
Perimeter
87619640
Area
479825082108100
Diagonal
30978220.804562
Surface area
2878950492648600
Volume
1.0510525239321E+22
Space diagonal
37940417.055224
Perimeter
65714730
Area
2.0777035523928E+14
Altitude
18970208.527612
Surface area
2.0777035523928E+14
Volume
1.238677278426E+21
Height
10326073.601521