21086085 is an odd 8-digits composite number following 21086084
and preceding 21086086 . In scientific notation, it is written as 2.1086085 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11222400 positive integers (up to 21086085) that are relatively prime to 21086085.
21086085 has 8 divisors, whose sum is 22538880
The reverse of 21086085 is 58068012
Previous prime number is 601
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-six thousand eighty-five
Scientific notation
2.1086085 × 10^7
Engineering notation
2.1086085 × 10^6
Prime Factorization
15 × 601 × 2339
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21086085
Product of the distinct prime numbers
The prime factorization of 21086085 is 15 × 601 × 2339.
Since it has a total of 3 prime factors.
3 , 10 , 78 , 49 , 618 , 467 , 4590 , 2735 , 26169 , 4957 , 135866 , 495330 , 4920625 , 8805554 , 53686568 , 70509598 , 524536102 , 407790726 , 7509149442 , 7353404269
n×2
42172170
n×3
63258255
n×4
84344340
n×5
105430425
n÷2
10543042.5
n÷3
7028695
n÷3
5271521.25
n÷5
4217217
n2
444622980627225
n3
9.375357962459E+21
n4
1.9768959490184E+29
n5
4.1684996017157E+36
2 √n
4591.958732393
3 √n
276.26889096396
4 √n
67.763992889978
5 √n
29.16078363607
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086085 can be divided by 8 positive divisors.
The sum of these divisors (counting 21086085) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011111110000101
3
Ternary
1110200021200010
4
Quaternary
1100123332011
5
Quinary
20344223320
6
Senary
2031540433
8
Octal
120337605
10
Decimal
21086085
12
Duodecimal
708a719
16
Hexadecimal
141bf85
20
Vigesimal
6bff45
36
Base36
cjy4l
md5
f926b356460b3921d46ea4d7b9219de8
sha1
5116437cbaa0c92185d356bb21269b1f921e70b0
sha256
4b1ba9d176441a5110901d36a86bcfd14d03173166338e83e3109d208afe4c61
sha512
02de89d9c4a7f4e200738f92ef16c838b1de84fff19c25c11e6de513eec9eb760dc60190b0a2ba93ebfb6bb836b72238d3dd7544f81aefd0d029f685079d349f
ripemd-160
9c8b3e5311750f8906fa37f48ff39643285f059d
Diameter
42172170
Circumference
132487779.45794
Area
1.3968242895557E+15
Volume
3.9271407599514E+22
Surface area
5.5872971582227E+15
Circumference
132487779.45794
Perimeter
84344340
Area
444622980627225
Diagonal
29820227.384352
Surface area
2667737883763350
Volume
9.375357962459E+21
Space diagonal
36522170.552716
Perimeter
63258255
Area
1.9252739816477E+14
Altitude
18261085.276358
Surface area
1.9252739816477E+14
Volume
1.1048965318843E+21
Height
9940075.794784