21886490 is an even 8-digits composite number following 21886489
and preceding 21886491 . In scientific notation, it is written as 2.1886490 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 8568144 positive integers (up to 21886490) that are relatively prime to 21886490.
21886490 has 16 divisors, whose sum is 40234752
The reverse of 21886490 is 09468812
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million eight hundred eighty-six thousand four hundred ninety
Scientific notation
2.1886490 × 10^7
Engineering notation
2.1886490 × 10^6
Prime Factorization
2 × 5 × 47 × 46567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21886490
Product of the distinct prime numbers
The prime factorization of 21886490 is 2 × 5 × 47 × 46567.
Since it has a total of 4 prime factors.
7 , 7 , 99 , 56 , 600 , 799 , 6705 , 2467 , 84853 , 74137 , 610032 , 544863 , 3134700 , 8943296 , 35887596 , 51499991 , 422366397 , 966107409 , 2958259549 , 5412343701
n×2
43772980
n×3
65659470
n×4
87545960
n×5
109432450
n÷2
10943245
n÷3
7295496.6666667
n÷3
5471622.5
n÷5
4377298
n2
479018444520100
n3
1.0484032395805E+22
n4
2.2945867019046E+29
n5
5.0220448905367E+36
2 √n
4678.29990488
3 √n
279.72119356262
4 √n
68.398098693458
5 √n
29.378879208006
1 , 2 , 5 , 10 , 47 , 94 , 235 , 470 , 46567 , 93134 , 232835 , 465670 , 2188649 , 4377298 , 10943245 , 21886490
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
-21886489
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 21886490 can be divided by 16 positive divisors.
The sum of these divisors (counting 21886490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011111011000011010
3
Ternary
1112011221121202
4
Quaternary
1103133120122
5
Quinary
21100331430
6
Senary
2101034202
8
Octal
123373032
10
Decimal
21886490
12
Duodecimal
73b5962
16
Hexadecimal
14df61a
20
Vigesimal
6gfg4a
36
Base36
d13q2
md5
c7ffea00a9314e57d17ee4a1bc89c4fd
sha1
29ae35bc2d815460ae31d5051811303e4165ce07
sha256
faad4325609370d37060c20591f95de31ab9460a6fb5ceb70ddef5f3343e56de
sha512
097bcf4940159706ac16b2506c42db22ff1b8f1601203e470e7c8fcb2f15ecc5f12213e627c79f1a6dda28beb6820953b063944851f80c8fffc182d8c53e6b92
ripemd-160
c830a4fb41e579ad6936cf6de8acd9a0926387cc
Diameter
43772980
Circumference
137516872.39373
Area
1.5048808262384E+15
Volume
4.391541220621E+22
Surface area
6.0195233049534E+15
Circumference
137516872.39373
Perimeter
87545960
Area
479018444520100
Diagonal
30952170.990743
Surface area
2874110667120600
Volume
1.0484032395805E+22
Space diagonal
37908512.679348
Perimeter
65659470
Area
2.0742107091786E+14
Altitude
18954256.339674
Surface area
2.0742107091786E+14
Volume
1.2355550668755E+21
Height
10317390.330248