20985654 is an even 8-digits composite number following 20985653
and preceding 20985655 . In scientific notation, it is written as 2.0985654 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 6995216 positive integers (up to 20985654) that are relatively prime to 20985654.
20985654 has 8 divisors, whose sum is 41971320
The reverse of 20985654 is 45658902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred eighty-five thousand six hundred fifty-four
Scientific notation
2.0985654 × 10^7
Engineering notation
2.0985654 × 10^6
Prime Factorization
2 × 3 × 3497609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20985654
Product of the distinct prime numbers
The prime factorization of 20985654 is 2 × 3 × 3497609.
Since it has a total of 3 prime factors.
1 , 7 , 80 , 38 , 235 , 427 , 4481 , 1104 , 63079 , 66548 , 137266 , 892374 , 156134 , 2382569 , 5633814 , 97223272 , 156926549 , 695529428 , 9846586911 , 1504472528
n×2
41971308
n×3
62956962
n×4
83942616
n×5
104928270
n÷2
10492827
n÷3
6995218
n÷3
5246413.5
n÷5
4197130.8
n2
440397673807716
n3
9.2420332049336E+21
n4
1.9395011109525E+29
n5
4.0701699247064E+36
2 √n
4581.0101506109
3 √n
275.82957868179
4 √n
67.683160022349
5 √n
29.132952559748
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
-20985653
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 20985654 can be divided by 8 positive divisors.
The sum of these divisors (counting 20985654) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000011011100110110
3
Ternary
1110111011220110
4
Quaternary
1100003130312
5
Quinary
20333020104
6
Senary
2025443450
8
Octal
120033466
10
Decimal
20985654
12
Duodecimal
7040586
16
Hexadecimal
1403736
20
Vigesimal
6b342e
36
Base36
chsmu
md5
529ab30860d5bb756f9442e6d1c8813c
sha1
c4b5c9e342772dda7afaf0e9e9c08b142890158a
sha256
04179e5990cafe11568257a072a30bba5a87327e34faa84089519022aae21547
sha512
022d7a67e07fb9d272c009227c6c30f69d7206514cf94fe76d978232a32771744bb06cea456d3db27d9f39a6af3fbcd75b372602d656b0f7fd348de8b152f37c
ripemd-160
6eb042c0a9066f719c2e281c66638c01372398cd
Diameter
41971308
Circumference
131856752.87435
Area
1.3835500966924E+15
Volume
3.8712938161136E+22
Surface area
5.5342003867694E+15
Circumference
131856752.87435
Perimeter
83942616
Area
440397673807716
Diagonal
29678196.502069
Surface area
2642386042846296
Volume
9.2420332049336E+21
Space diagonal
36348218.958061
Perimeter
62956962
Area
1.9069778664253E+14
Altitude
18174109.479031
Surface area
1.9069778664253E+14
Volume
1.0891840585266E+21
Height
9892732.1673564