20985654 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-five thousand six hundred fifty-four

Notation

Scientific notation 2.0985654 × 10^7
Engineering notation 2.0985654 × 10^6

Prime Factorization of 20985654

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.

Most popular turbo-numbers

Basic calculations (n = 20985654)

Multiplication

n×y
n×2 41971308
n×3 62956962
n×4 83942616
n×5 104928270

Division

n÷y
n÷2 10492827
n÷3 6995218
n÷3 5246413.5
n÷5 4197130.8

Exponentiation

ny
n2 440397673807716
n3 9.2420332049336E+21
n4 1.9395011109525E+29
n5 4.0701699247064E+36

Nth Root

y√n
2√n 4581.0101506109
3√n 275.82957868179
4√n 67.683160022349
5√n 29.132952559748

Divisors of 20985654

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 conversion 20985654

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

Cryptographic Hash Functions

md5 529ab30860d5bb756f9442e6d1c8813c
sha1 c4b5c9e342772dda7afaf0e9e9c08b142890158a
sha256 04179e5990cafe11568257a072a30bba5a87327e34faa84089519022aae21547
sha512 022d7a67e07fb9d272c009227c6c30f69d7206514cf94fe76d978232a32771744bb06cea456d3db27d9f39a6af3fbcd75b372602d656b0f7fd348de8b152f37c
ripemd-160 6eb042c0a9066f719c2e281c66638c01372398cd

20985654 as geometric shapes

Circle

Radius = n
Diameter 41971308
Circumference 131856752.87435
Area 1.3835500966924E+15

Sphere

Radius = n
Volume 3.8712938161136E+22
Surface area 5.5342003867694E+15
Circumference 131856752.87435

Square

Length = n
Perimeter 83942616
Area 440397673807716
Diagonal 29678196.502069

Cube

Length = n
Surface area 2642386042846296
Volume 9.2420332049336E+21
Space diagonal 36348218.958061

Equilateral Triangle

Length = n
Perimeter 62956962
Area 1.9069778664253E+14
Altitude 18174109.479031

Triangular Pyramid

Length = n
Surface area 1.9069778664253E+14
Volume 1.0891840585266E+21
Height 9892732.1673564