201721945 (number)

201721945 is an odd 9-digits composite number following 201721944 and preceding 201721946. In scientific notation, it is written as 2.01721945 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 161311920 positive integers (up to 201721945) that are relatively prime to 201721945.

Interesting facts

Basic properties

Name

Name two hundred one million seven hundred twenty-one thousand nine hundred forty-five

Notation

Scientific notation 2.01721945 × 10^8
Engineering notation 2.01721945 × 10^6

Prime Factorization of 201721945

Prime Factorization 5 × 13399 × 3011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201721945
Product of the distinct prime numbers

The prime factorization of 201721945 is 5 × 13399 × 3011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 85, 9, 305, 626, 1953, 115, 36969, 16791, 858633, 764045, 2682861, 5923483, 89784700, 83581194, 575841604, 111388631, 2966085216, 5644648709

Basic calculations (n = 201721945)

Multiplication

n×y
n×2 403443890
n×3 605165835
n×4 806887780
n×5 1008609725

Division

n÷y
n÷2 100860972.5
n÷3 67240648.333333
n÷3 50430486.25
n÷5 40344389

Exponentiation

ny
n2 40691743094583025
n3 8.2084175624796E+24
n4 1.6558179560755E+33
n5 3.3401481866548E+41

Nth Root

y√n
2√n 14202.885094233
3√n 586.47708646422
4√n 119.17585784979
5√n 45.808980809488

Divisors of 201721945

1, 5, 3011, 13399, 15055, 66995, 40344389, 201721945

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 -201721944
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 201721945 can be divided by 8 positive divisors. The sum of these divisors (counting 201721945) is 1, the average is 0.125.

Base conversion 201721945

Base System Value
2 Binary 1100000001100000100001011001
3 Ternary 112001120112111011
4 Quaternary 30001200201121
5 Quinary 403120100240
6 Senary 32003333521
8 Octal 1401404131
10 Decimal 201721945
12 Duodecimal 576812a1
16 Hexadecimal c060859
20 Vigesimal 330f4h5
36 Base36 3c3lnd

Cryptographic Hash Functions

md5 0254f2da5c3cc520a05fe1e3f3015067
sha1 de666b7c6a2ccd491d7bc218ba59f1241596aafe
sha256 fd30dba0d44baf223858e5a1f5281405166b26f2c73dfb4e874d9c8084a9fb7c
sha512 48dbfce312c98e275d66e37def58814ee9b704470953a7edfc7bcff9e995a78e37252e64a2c086bfa5388a6945a59bac0ea1962114b945282604dd7f8c9d1be6
ripemd-160 6a713317480a9848f2d51503ee899eecedac0b0e

201721945 as geometric shapes

Circle

Radius = n
Diameter 403443890
Circumference 1267456360.9597
Area 1.2783688116771E+17

Sphere

Radius = n
Volume 3.4383339082511E+25
Surface area 5.1134752467082E+17
Circumference 1267456360.9597

Square

Length = n
Perimeter 806887780
Area 40691743094583025
Diagonal 285277910.44728

Cube

Length = n
Surface area 244150458567498150
Volume 8.2084175624796E+24
Space diagonal 349392657.74161

Equilateral Triangle

Length = n
Perimeter 605165835
Area 1.7620041622089E+16
Altitude 174696328.87081

Triangular Pyramid

Length = n
Surface area 1.7620041622089E+16
Volume 9.6737128687335E+23
Height 95092636.81576