201945821 (number)

201945821 is an odd 9-digits composite number following 201945820 and preceding 201945822. In scientific notation, it is written as 2.01945821 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 151932480 positive integers (up to 201945821) that are relatively prime to 201945821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01945821 × 10^8
Engineering notation 2.01945821 × 10^6

Prime Factorization of 201945821

Prime Factorization 7 × 11 × 29 × 90437

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 201945821
Product of the distinct prime numbers

The prime factorization of 201945821 is 7 × 11 × 29 × 90437. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201945821)

Multiplication

n×y
n×2 403891642
n×3 605837463
n×4 807783284
n×5 1009729105

Division

n÷y
n÷2 100972910.5
n÷3 67315273.666667
n÷3 50486455.25
n÷5 40389164.2

Exponentiation

ny
n2 40782114619364041
n3 8.2357776189236E+24
n4 1.6631808728269E+33
n5 3.3587242683453E+41

Nth Root

y√n
2√n 14210.764265162
3√n 586.69396850531
4√n 119.20891017521
5√n 45.819144286426

Divisors of 201945821

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 -201945820
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 201945821 can be divided by 16 positive divisors. The sum of these divisors (counting 201945821) is 1, the average is 0.0625.

Base conversion 201945821

Base System Value
2 Binary 1100000010010111001011011101
3 Ternary 112001222220120212
4 Quaternary 30002113023131
5 Quinary 403144231241
6 Senary 32012222205
8 Octal 1402271335
10 Decimal 201945821
12 Duodecimal 5776a965
16 Hexadecimal c0972dd
20 Vigesimal 33234b1
36 Base36 3c8ee5

Cryptographic Hash Functions

md5 019ab05225cb4eb00116b4dd95fffbe1
sha1 98cc625a4764a3c0c490dc7b8e6b711e81095507
sha256 0ab0300b12598545e0fc2d264b08fcf8eb8d1d969a7c9ec63531169adeeb9fc9
sha512 394b1f1ea807aedf92aac9bb5ab181fd89d78f3cf9fe6ca446074c89b186d010e36a8ddc355791f1021681b35045ea2cf201171344d863cc7562914ed32b07b5
ripemd-160 60723da8fee1d0ee856c751e5c66ad1ad5ff8363

201945821 as geometric shapes

Circle

Radius = n
Diameter 403891642
Circumference 1268863015.3535
Area 1.2812079168605E+17

Sphere

Radius = n
Volume 3.4497944618946E+25
Surface area 5.124831667442E+17
Circumference 1268863015.3535

Square

Length = n
Perimeter 807783284
Area 40782114619364041
Diagonal 285594518.92277

Cube

Length = n
Surface area 244692687716184246
Volume 8.2357776189236E+24
Space diagonal 349780422.34821

Equilateral Triangle

Length = n
Perimeter 605837463
Area 1.7659173640209E+16
Altitude 174890211.1741

Triangular Pyramid

Length = n
Surface area 1.7659173640209E+16
Volume 9.7059570044754E+23
Height 95198172.974256