21086415 is an odd 8-digits composite number following 21086414
and preceding 21086416 . In scientific notation, it is written as 2.1086415 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 9434880 positive integers (up to 21086415) that are relatively prime to 21086415.
21086415 has 32 divisors, whose sum is 29304000
The reverse of 21086415 is 51468012
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eighty-six thousand four hundred fifteen
Scientific notation
2.1086415 × 10^7
Engineering notation
2.1086415 × 10^6
Prime Factorization
9 × 5 × 49 × 73 × 131
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21086415
Product of the distinct prime numbers
The prime factorization of 21086415 is 9 × 5 × 49 × 73 × 131.
Since it has a total of 5 prime factors.
3 , 2 , 65 , 23 , 570 , 562 , 2941 , 8094 , 77144 , 92561 , 484003 , 236412 , 2186917 , 7754776 , 97162140 , 56037705 , 512415111 , 133493418 , 600004264 , 8940842435
n×2
42172830
n×3
63259245
n×4
84345660
n×5
105432075
n÷2
10543207.5
n÷3
7028805
n÷3
5271603.75
n÷5
4217283
n2
444636897552225
n3
9.3757981460987E+21
n4
1.9770197066487E+29
n5
4.1688257997572E+36
2 √n
4591.994664631
3 √n
276.27033217125
4 √n
67.764258017269
5 √n
29.160874909518
1 , 5 , 9 , 45 , 49 , 73 , 131 , 245 , 365 , 441 , 655 , 657 , 1179 , 2205 , 3285 , 3577 , 5895 , 6419 , 9563 , 17885 , 32095 , 32193 , 47815 , 57771 , 86067 , 160965 , 288855 , 430335 , 468587 , 2342935 , 4217283 , 21086415
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
-21086414
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 21086415 can be divided by 32 positive divisors.
The sum of these divisors (counting 21086415) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011100000011001111
3
Ternary
1110200022010100
4
Quaternary
1100130003033
5
Quinary
20344231130
6
Senary
2031542143
8
Octal
120340317
10
Decimal
21086415
12
Duodecimal
708a953
16
Hexadecimal
141c0cf
20
Vigesimal
6bfg0f
36
Base36
cjydr
md5
c5729e1700dc8959848a8ca97f0083af
sha1
3affdcbbf059baa2da8db3c03ebf6b389c8f44ea
sha256
e99a672dcc313880449c689c05fc65eaf168389d7a976ca9eabbb8440cc1fdd0
sha512
bd494ffa01edf441c5b8b220db93c6cbd969c62cc386c6f8fcb2bacdc4035cc89d18b93c5b91ce1fb2d16f39fe3502bc3a5757f35c9acbc69c82e48e3f36e15b
ripemd-160
604cc26e58cbcc9dbca168b157a50e6d9a5d10d4
Diameter
42172830
Circumference
132489852.90909
Area
1.396868010865E+15
Volume
3.9273251436433E+22
Surface area
5.5874720434601E+15
Circumference
132489852.90909
Perimeter
84345660
Area
444636897552225
Diagonal
29820694.074827
Surface area
2667821385313350
Volume
9.3757981460987E+21
Space diagonal
36522742.129482
Perimeter
63259245
Area
1.9253342437006E+14
Altitude
18261371.064741
Surface area
1.9253342437006E+14
Volume
1.1049484080238E+21
Height
9940231.3582758