21709085 is an odd 8-digits composite number following 21709084
and preceding 21709086 . In scientific notation, it is written as 2.1709085 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 16171008 positive integers (up to 21709085) that are relatively prime to 21709085.
21709085 has 16 divisors, whose sum is 27878256
The reverse of 21709085 is 58090712
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million seven hundred nine thousand eighty-five
Scientific notation
2.1709085 × 10^7
Engineering notation
2.1709085 × 10^6
Prime Factorization
5 × 97 × 17 × 2633
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21709085
Product of the distinct prime numbers
The prime factorization of 21709085 is 5 × 97 × 17 × 2633.
Since it has a total of 4 prime factors.
5 , 3 , 18 , 14 , 19 , 320 , 987 , 8119 , 73632 , 24164 , 360174 , 708379 , 5962211 , 2103023 , 68737365 , 69710275 , 506087398 , 205244185 , 8428172990 , 493301205
n×2
43418170
n×3
65127255
n×4
86836340
n×5
108545425
n÷2
10854542.5
n÷3
7236361.6666667
n÷3
5427271.25
n÷5
4341817
n2
471284371537225
n3
1.0231152480873E+22
n4
2.2210895885524E+29
n5
4.8217822670498E+36
2 √n
4659.3009132272
3 √n
278.96336496486
4 √n
68.259072021433
5 √n
29.331096842509
1 , 5 , 17 , 85 , 97 , 485 , 1649 , 2633 , 8245 , 13165 , 44761 , 223805 , 255401 , 1277005 , 4341817 , 21709085
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
-21709084
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 21709085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21709085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110100000100011101
3
Ternary
1111211221021012
4
Quaternary
1102310010131
5
Quinary
21024142320
6
Senary
2053145005
8
Octal
122640435
10
Decimal
21709085
12
Duodecimal
732b165
16
Hexadecimal
14b411d
20
Vigesimal
6fdce5
36
Base36
cxau5
md5
cd0c501e3311d07b34477c9d6297ce37
sha1
3fe29ad998489de5f0bbf119d91b79f2622c0b54
sha256
ccb7349145cee96c54fd1f66126d74b30c8f61691d5d3d7d002670857c42f3af
sha512
15a5bb74aa3d6cf29e4fc8264f50596fa5f7216b16ed716e744379176fced9a3a89526810a2c479720a44b2965bafdc8dcc9218b54725a646d48cbec102c06ab
ripemd-160
4051ef7106491a5360951cd0b6a8bc2dd8ba69c4
Diameter
43418170
Circumference
136402203.90431
Area
1.480583519373E+15
Volume
4.2856151295558E+22
Surface area
5.9223340774921E+15
Circumference
136402203.90431
Perimeter
86836340
Area
471284371537225
Diagonal
30701282.43371
Surface area
2827706229223350
Volume
1.0231152480873E+22
Space diagonal
37601238.205831
Perimeter
65127255
Area
2.0407211907891E+14
Altitude
18800619.102916
Surface area
2.0407211907891E+14
Volume
1.2057528830965E+21
Height
10233760.811237