1991566561 (number)

1991566561 is an odd 10-digits composite number following 1991566560 and preceding 1991566562. In scientific notation, it is written as 1.991566561 × 10^9. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 1908558400 positive integers (up to 1991566561) that are relatively prime to 1991566561.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million five hundred sixty-six thousand five hundred sixty-one

Notation

Scientific notation 1.991566561 × 10^9
Engineering notation 1.991566561 × 10^9

Prime Factorization of 1991566561

Prime Factorization 479 × 29 × 311 × 461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1991566561
Product of the distinct prime numbers

The prime factorization of 1991566561 is 479 × 29 × 311 × 461. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 46, 87, 541, 22, 7258, 3718, 55131, 65504, 129816, 621200, 1045639, 3777594, 50061354, 62661085, 498273810, 932619055, 5516265349, 1761203549

Basic calculations (n = 1991566561)

Multiplication

n×y
n×2 3983133122
n×3 5974699683
n×4 7966266244
n×5 9957832805

Division

n÷y
n÷2 995783280.5
n÷3 663855520.33333
n÷3 497891640.25
n÷5 398313312.2

Exponentiation

ny
n2 3966337366893366721
n3 7.8992248695496E+27
n4 1.5731832108015E+37
n5 3.1330990769588E+46

Nth Root

y√n
2√n 44626.971228171
3√n 1258.1476436822
4√n 211.25096740174
5√n 72.416739158485

Divisors of 1991566561

1, 29, 311, 461, 479, 9019, 13369, 13891, 143371, 148969, 220819, 4157759, 4320101, 6403751, 68674709, 1991566561

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 -1991566560
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 1991566561 can be divided by 16 positive divisors. The sum of these divisors (counting 1991566561) is 1, the average is 0.0625.

Base conversion 1991566561

Base System Value
2 Binary 1110110101101001110010011100001
3 Ternary 12010210111001201111
4 Quaternary 1312231032103201
5 Quinary 13034320112221
6 Senary 525342103321
8 Octal 16655162341
10 Decimal 1991566561
12 Duodecimal 476b7ab41
16 Hexadecimal 76b4e4e1
20 Vigesimal 1b275g81
36 Base36 wxq6ld

Cryptographic Hash Functions

md5 a44e3a02838a5a5f0cd8c4fa708df51a
sha1 66d15c394be8afa73aab9a15fad9149c1eb3fabf
sha256 71b665af02f6ec409ef4be5ef3f5dbf0a7e329c13e15f3b984f15dc0e5c099ec
sha512 de6b8d638d941fd3fdfbce8a533112daa22bcfa0ed3f576ceb5ee0e9f263e4ce7a555567671f0a1dccb2d6812f115b93108c152e5d86fc71a66f9bdaf9715f81
ripemd-160 076092aa78bc4b0858d8f159d1b51239f1cc3f0a

1991566561 as geometric shapes

Circle

Radius = n
Diameter 3983133122
Circumference 12513381754.345
Area 1.2460616333491E+19

Sphere

Radius = n
Volume 3.3088195758974E+28
Surface area 4.9842465333964E+19
Circumference 12513381754.345

Square

Length = n
Perimeter 7966266244
Area 3966337366893366721
Diagonal 2816500440.9349

Cube

Length = n
Surface area 2.379802420136E+19
Volume 7.8992248695496E+27
Space diagonal 3449494470.3072

Equilateral Triangle

Length = n
Perimeter 5974699683
Area 1.7174744598546E+18
Altitude 1724747235.1536

Triangular Pyramid

Length = n
Surface area 1.7174744598546E+18
Volume 9.3093257856266E+26
Height 938833480.31165