20165689 is an odd 8-digits composite number following 20165688
and preceding 20165690 . In scientific notation, it is written as 2.0165689 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 18979456 positive integers (up to 20165689) that are relatively prime to 20165689.
20165689 has 4 divisors, whose sum is 21351924
The reverse of 20165689 is 98656102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred sixty-five thousand six hundred eighty-nine
Scientific notation
2.0165689 × 10^7
Engineering notation
2.0165689 × 10^6
Prime Factorization
17 × 1186217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20165689
Product of the distinct prime numbers
The prime factorization of 20165689 is 17 × 1186217.
Since it has a total of 2 prime factors.
2 , 6 , 1 , 35 , 808 , 453 , 4521 , 7856 , 70624 , 99385 , 72417 , 175851 , 4542383 , 9190536 , 58884776 , 26719947 , 592155645 , 658202516 , 4023093461 , 3901357
n×2
40331378
n×3
60497067
n×4
80662756
n×5
100828445
n÷2
10082844.5
n÷3
6721896.3333333
n÷3
5041422.25
n÷5
4033137.8
n2
406655012844721
n3
8.2004785193176E+21
n4
1.6536829947174E+29
n5
3.334765697606E+36
2 √n
4490.6223399435
3 √n
272.18928307698
4 √n
67.012105920823
5 √n
28.90164837716
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20165688
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20165689 can be divided by 4 positive divisors.
The sum of these divisors (counting 20165689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011010000111001
3
Ternary
1101221112010101
4
Quaternary
1030323100321
5
Quinary
20130300224
6
Senary
2000115401
8
Octal
114732071
10
Decimal
20165689
12
Duodecimal
6905b61
16
Hexadecimal
133b439
20
Vigesimal
660e49
36
Base36
c07y1
md5
b4f68c715df7672ebbbf189ba32c9a0b
sha1
b18430bbfffbabf67db6f5354fe2fbe21c4fc902
sha256
30152371db540288eee80e4e7948b3dd358657e95199da82de02517e7791b144
sha512
dffd6adfacf52292d66206e2f1f56ebf41f1eecf254eea06a194d7ad0d7c7f80ff89b067befd2032c11f670339bc5eca65ccd51a176d967ff877f65f4e213a4e
ripemd-160
552285a65f797d0f8c1eaa0609bb7c37abe8f157
Diameter
40331378
Circumference
126704760.83395
Area
1.2775444008984E+15
Volume
3.4350084096279E+22
Surface area
5.1101776035938E+15
Circumference
126704760.83395
Perimeter
80662756
Area
406655012844721
Diagonal
28518590.878398
Surface area
2439930077068326
Volume
8.2004785193176E+21
Space diagonal
34927997.917633
Perimeter
60497067
Area
1.7608678584991E+14
Altitude
17463998.958816
Surface area
1.7608678584991E+14
Volume
9.6643566166402E+20
Height
9506196.959466