20001605 (number)

20001605 is an odd 8-digits composite number following 20001604 and preceding 20001606. In scientific notation, it is written as 2.0001605 × 10^7. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 13280256 positive integers (up to 20001605) that are relatively prime to 20001605.

Interesting facts

Basic properties

Name

Name twenty million one thousand six hundred five

Notation

Scientific notation 2.0001605 × 10^7
Engineering notation 2.0001605 × 10^6

Prime Factorization of 20001605

Prime Factorization 221 × 5 × 23 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20001605
Product of the distinct prime numbers

The prime factorization of 20001605 is 221 × 5 × 23 × 787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001605)

Multiplication

n×y
n×2 40003210
n×3 60004815
n×4 80006420
n×5 100008025

Division

n÷y
n÷2 10000802.5
n÷3 6667201.6666667
n÷3 5000401.25
n÷5 4000321

Exponentiation

ny
n2 400064202576025
n3 8.0019261545656E+21
n4 1.6005136618279E+29
n5 3.2012842060985E+36

Nth Root

y√n
2√n 4472.3153958548
3√n 271.44902253239
4√n 66.875372117505
5√n 28.854461209949

Divisors of 20001605

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 -20001604
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 20001605 can be divided by 16 positive divisors. The sum of these divisors (counting 20001605) is 1, the average is 0.0625.

Base conversion 20001605

Base System Value
2 Binary 1001100010011001101000101
3 Ternary 1101122012001012
4 Quaternary 1030103031011
5 Quinary 20110022410
6 Senary 1552412005
8 Octal 114231505
10 Decimal 20001605
12 Duodecimal 6847005
16 Hexadecimal 1313345
20 Vigesimal 650405
36 Base36 bwpc5

Cryptographic Hash Functions

md5 d33a0b68b5993d11ee3045f75d83ea25
sha1 b9423fc40936eed00e915d3b64042918706bf409
sha256 663bb441051066409d06c77a00b83140c72d085d25d1240f1d89060b8e0c01dd
sha512 e399be292324f4db0b93b47f7563d6d251787e620f56aeeffc491bdf9768a372d0cc33d6bc919bdd8bb3ec44e0d33b6ddb5994834673faf8ceb83263e3630428
ripemd-160 91ad892b6279672dd970c228926c5578c4a9e78a

20001605 as geometric shapes

Circle

Radius = n
Diameter 40003210
Circumference 125673790.65601
Area 1.2568387597771E+15

Sphere

Radius = n
Volume 3.3518389895669E+22
Surface area 5.0273550391084E+15
Circumference 125673790.65601

Square

Length = n
Perimeter 80006420
Area 400064202576025
Diagonal 28286541.06023

Cube

Length = n
Surface area 2400385215456150
Volume 8.0019261545656E+21
Space diagonal 34643796.092924

Equilateral Triangle

Length = n
Perimeter 60004815
Area 1.732328812878E+14
Altitude 17321898.046462

Triangular Pyramid

Length = n
Surface area 1.732328812878E+14
Volume 9.4303604107456E+20
Height 9428847.0200765