21478086 is an even 8-digits composite number following 21478085
and preceding 21478087 . In scientific notation, it is written as 2.1478086 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 6106752 positive integers (up to 21478086) that are relatively prime to 21478086.
21478086 has 32 divisors, whose sum is 41110080
The reverse of 21478086 is 68087412
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred seventy-eight thousand eighty-six
Scientific notation
2.1478086 × 10^7
Engineering notation
2.1478086 × 10^6
Prime Factorization
2 × 9 × 7 × 373 × 457
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21478086
Product of the distinct prime numbers
The prime factorization of 21478086 is 2 × 9 × 7 × 373 × 457.
Since it has a total of 5 prime factors.
2 , 4 , 12 , 12 , 9 , 109 , 7088 , 6303 , 43670 , 21821 , 754004 , 137753 , 8035946 , 8469851 , 21376378 , 32654541 , 452569434 , 824745971 , 1103996879 , 5015412136
n×2
42956172
n×3
64434258
n×4
85912344
n×5
107390430
n÷2
10739043
n÷3
7159362
n÷3
5369521.5
n÷5
4295617.2
n2
461308178223396
n3
9.9080167243854E+21
n4
2.1280523529579E+29
n5
4.5706491449332E+36
2 √n
4634.4455979114
3 √n
277.97038312577
4 √n
68.076762539881
5 √n
29.268409007825
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 373 , 457 , 746 , 914 , 2611 , 3199 , 3357 , 4113 , 5222 , 6398 , 6714 , 8226 , 23499 , 28791 , 46998 , 57582 , 170461 , 340922 , 1193227 , 1534149 , 2386454 , 3068298 , 10739043 , 21478086
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21478085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21478086 can be divided by 32 positive divisors.
The sum of these divisors (counting 21478086) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111011101011000110
3
Ternary
1111102012101200
4
Quaternary
1101323223012
5
Quinary
20444244321
6
Senary
2044203330
8
Octal
121735306
10
Decimal
21478086
12
Duodecimal
7239546
16
Hexadecimal
147bac6
20
Vigesimal
6e4f46
36
Base36
cscli
md5
4374046aafad10d72034981e05a608ce
sha1
52a29d955c2cd90365b8c102d5bbb89aed192441
sha256
c963a47d3fdd00128898ced6ff37e72b7360571bca66ccd61a12c169fcc2325c
sha512
3b209cc914f8598e7f18d83eea8049fe567391202399c45a1f5ec37269bcc1f49f8a280b2db14daa48b677cdbb4615fd2bc3a1e13828f532f30d97a1606d7841
ripemd-160
a270158c956f98032228c431c04d28778fff8d7b
Diameter
42956172
Circumference
134950794.38154
Area
1.4492423837475E+15
Volume
4.1502603403965E+22
Surface area
5.79696953499E+15
Circumference
134950794.38154
Perimeter
85912344
Area
461308178223396
Diagonal
30374600.515016
Surface area
2767849069340376
Volume
9.9080167243854E+21
Space diagonal
37201136.201334
Perimeter
64434258
Area
1.9975230065749E+14
Altitude
18600568.100667
Surface area
1.9975230065749E+14
Volume
1.1676709689871E+21
Height
10124866.838339