201991809 (number)

201991809 is an odd 9-digits composite number following 201991808 and preceding 201991810. In scientific notation, it is written as 2.01991809 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 134299440 positive integers (up to 201991809) that are relatively prime to 201991809.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred ninety-one thousand eight hundred nine

Notation

Scientific notation 2.01991809 × 10^8
Engineering notation 2.01991809 × 10^6

Prime Factorization of 201991809

Prime Factorization 3 × 373 × 180511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201991809
Product of the distinct prime numbers

The prime factorization of 201991809 is 3 × 373 × 180511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 97, 1, 975, 70, 342, 9337, 87340, 68866, 796304, 125751, 4686130, 613706, 56122223, 93901883, 85042045, 781655146, 678261838, 1360452912

Basic calculations (n = 201991809)

Multiplication

n×y
n×2 403983618
n×3 605975427
n×4 807967236
n×5 1009959045

Division

n÷y
n÷2 100995904.5
n÷3 67330603
n÷3 50497952.25
n÷5 40398361.8

Exponentiation

ny
n2 40800690903092481
n3 8.2414053639655E+24
n4 1.6646963781697E+33
n5 3.3625503286224E+41

Nth Root

y√n
2√n 14212.382242256
3√n 586.73849997796
4√n 119.21569629145
5√n 45.821230924204

Divisors of 201991809

1, 3, 373, 1119, 180511, 541533, 67330603, 201991809

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 -201991808
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 201991809 can be divided by 8 positive divisors. The sum of these divisors (counting 201991809) is 1, the average is 0.125.

Base conversion 201991809

Base System Value
2 Binary 1100000010100010011010000001
3 Ternary 112002002020200010
4 Quaternary 30002202122001
5 Quinary 403202214214
6 Senary 32013215133
8 Octal 1402423201
10 Decimal 201991809
12 Duodecimal 577914a9
16 Hexadecimal c0a2681
20 Vigesimal 3328ja9
36 Base36 3c9dvl

Cryptographic Hash Functions

md5 4b2c295593cf465a55f9776c116f613f
sha1 aecb7c6046a4688f85dc434b16fda7ed930d7149
sha256 6d1f6aba07da6643dca159de5237ef8078d6e2033f02959aa4497f1d849df2a6
sha512 dde068c47c3c261fe96155387b5f0da14620ae082b5e0209835d998617e4c832943b45ab357859d8d3b4c4b7fd79167faac798b88bdd043e8e4701a471434e3f
ripemd-160 e7fdbd078a7bce68e0d73579ec0573c2606671f1

201991809 as geometric shapes

Circle

Radius = n
Diameter 403983618
Circumference 1269151966.4794
Area 1.2817915080254E+17

Sphere

Radius = n
Volume 3.4521518062253E+25
Surface area 5.1271660321017E+17
Circumference 1269151966.4794

Square

Length = n
Perimeter 807967236
Area 40800690903092481
Diagonal 285659555.77608

Cube

Length = n
Surface area 244804145418554886
Volume 8.2414053639655E+24
Space diagonal 349860075.90075

Equilateral Triangle

Length = n
Perimeter 605975427
Area 1.7667217407017E+16
Altitude 174930037.95037

Triangular Pyramid

Length = n
Surface area 1.7667217407017E+16
Volume 9.712589365612E+23
Height 95219851.925359