1991566889 (number)

1991566889 is an odd 10-digits composite number following 1991566888 and preceding 1991566890. In scientific notation, it is written as 1.991566889 × 10^9. The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors. There are 1802873856 positive integers (up to 1991566889) that are relatively prime to 1991566889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991566889 × 10^9
Engineering notation 1.991566889 × 10^9

Prime Factorization of 1991566889

Prime Factorization 13 × 59 × 449 × 5783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1991566889
Product of the distinct prime numbers

The prime factorization of 1991566889 is 13 × 59 × 449 × 5783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 94, 67, 819, 926, 3591, 942, 34047, 1090, 818439, 465933, 8045906, 1910224, 62509488, 16554320, 729842625, 625072745, 3525947616, 2098699508

Basic calculations (n = 1991566889)

Multiplication

n×y
n×2 3983133778
n×3 5974700667
n×4 7966267556
n×5 9957834445

Division

n÷y
n÷2 995783444.5
n÷3 663855629.66667
n÷3 497891722.25
n÷5 398313377.8

Exponentiation

ny
n2 3966338673361138321
n3 7.8992287724262E+27
n4 1.57318424718E+37
n5 3.1331016569801E+46

Nth Root

y√n
2√n 44626.974903079
3√n 1258.1477127521
4√n 211.25097609971
5√n 72.416741543812

Divisors of 1991566889

1, 13, 59, 449, 767, 5783, 5837, 26491, 75179, 341197, 344383, 2596567, 4435561, 33755371, 153197453, 1991566889

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 -1991566888
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 1991566889 can be divided by 16 positive divisors. The sum of these divisors (counting 1991566889) is 1, the average is 0.0625.

Base conversion 1991566889

Base System Value
2 Binary 1110110101101001110011000101001
3 Ternary 12010210111002011122
4 Quaternary 1312231032120221
5 Quinary 13034320120024
6 Senary 525342105025
8 Octal 16655163051
10 Decimal 1991566889
12 Duodecimal 476b7b175
16 Hexadecimal 76b4e629
20 Vigesimal 1b275h49
36 Base36 wxq6uh

Cryptographic Hash Functions

md5 18cb0cdfb7192fb3226c10592bed187a
sha1 7b7d5016e1f356cebb9faac2d422253f5a10f6b8
sha256 c0b2c38fe081922995e6eb0d36006fdbd8c2fe090148d3917a48d1f3803d8a97
sha512 363317e69d3696c416c0483267f870552dd4f4360295a8ba6cc1262fe539ab60d52a380accee7e34565dfd52f50cfa2f28d67e2e9d35a2b8eeae1b164612f5ce
ripemd-160 318672c450a4144b902d7403f9bf70a539487527

1991566889 as geometric shapes

Circle

Radius = n
Diameter 3983133778
Circumference 12513383815.23
Area 1.246062043788E+19

Sphere

Radius = n
Volume 3.3088212107306E+28
Surface area 4.9842481751522E+19
Circumference 12513383815.23

Square

Length = n
Perimeter 7966267556
Area 3966338673361138321
Diagonal 2816500904.797

Cube

Length = n
Surface area 2.3798032040167E+19
Volume 7.8992287724262E+27
Space diagonal 3449495038.4199

Equilateral Triangle

Length = n
Perimeter 5974700667
Area 1.7174750255717E+18
Altitude 1724747519.2099

Triangular Pyramid

Length = n
Surface area 1.7174750255717E+18
Volume 9.3093303852108E+26
Height 938833634.93233