201021905 (number)

201021905 is an odd 9-digits composite number following 201021904 and preceding 201021906. In scientific notation, it is written as 2.01021905 × 10^8. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 137843568 positive integers (up to 201021905) that are relatively prime to 201021905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01021905 × 10^8
Engineering notation 2.01021905 × 10^6

Prime Factorization of 201021905

Prime Factorization 5 × 7 × 5743483

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201021905
Product of the distinct prime numbers

The prime factorization of 201021905 is 5 × 7 × 5743483. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 77, 82, 608, 890, 3545, 5567, 85596, 71429, 144823, 237194, 4086003, 5148711, 41458949, 15374499, 541896291, 240562159, 8944350149, 1245922981

Basic calculations (n = 201021905)

Multiplication

n×y
n×2 402043810
n×3 603065715
n×4 804087620
n×5 1005109525

Division

n÷y
n÷2 100510952.5
n÷3 67007301.666667
n÷3 50255476.25
n÷5 40204381

Exponentiation

ny
n2 40409806289829025
n3 8.1232562410624E+24
n4 1.6329524443815E+33
n5 3.2825921114398E+41

Nth Root

y√n
2√n 14178.219387497
3√n 585.79787882283
4√n 119.07232838698
5√n 45.777142204607

Divisors of 201021905

1, 5, 7, 35, 5743483, 28717415, 40204381, 201021905

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 -201021904
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 201021905 can be divided by 8 positive divisors. The sum of these divisors (counting 201021905) is 1, the average is 0.125.

Base conversion 201021905

Base System Value
2 Binary 1011111110110101100111010001
3 Ternary 112000020222012202
4 Quaternary 23332311213101
5 Quinary 402430200110
6 Senary 31540332545
8 Octal 1376654721
10 Decimal 201021905
12 Duodecimal 573a4155
16 Hexadecimal bfb59d1
20 Vigesimal 32g7ef5
36 Base36 3bolht

Cryptographic Hash Functions

md5 015bf49bd358029a186efc4dd4338518
sha1 9403e6b868772e2ae1de93960c6f0737bc75ec5f
sha256 11906602aaa37ec3b648153917017f970f66d18e7c2043185f06f77717ebdb58
sha512 75cef2aaf4ba84eb1e73c5cf1189c521ad07c711695d0dff07d19ca21065e008703ce0b0587cbbec18e534ffa3f9163f43401f2803fd450b4f8912beb57f20e5
ripemd-160 f61dbfbc37545381f9b47af937f786cd6367b88b

201021905 as geometric shapes

Circle

Radius = n
Diameter 402043810
Circumference 1263057879.9173
Area 1.2695115057311E+17

Sphere

Radius = n
Volume 3.4026616173532E+25
Surface area 5.0780460229245E+17
Circumference 1263057879.9173

Square

Length = n
Perimeter 804087620
Area 40409806289829025
Diagonal 284287904.38508

Cube

Length = n
Surface area 242458837738974150
Volume 8.1232562410624E+24
Space diagonal 348180152.89428

Equilateral Triangle

Length = n
Perimeter 603065715
Area 1.74979594045E+16
Altitude 174090076.44714

Triangular Pyramid

Length = n
Surface area 1.74979594045E+16
Volume 9.573349288952E+23
Height 94762634.795025