1991367906 (number)

1991367906 is an even 10-digits composite number following 1991367905 and preceding 1991367907. In scientific notation, it is written as 1.991367906 × 10^9. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 603444600 positive integers (up to 1991367906) that are relatively prime to 1991367906.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million three hundred sixty-seven thousand nine hundred six

Notation

Scientific notation 1.991367906 × 10^9
Engineering notation 1.991367906 × 10^9

Prime Factorization of 1991367906

Prime Factorization 2 × 3 × 121 × 2742931

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1991367906
Product of the distinct prime numbers

The prime factorization of 1991367906 is 2 × 3 × 121 × 2742931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 37, 15, 683, 176, 3097, 4105, 78914, 47665, 635886, 238007, 3125602, 5880953, 12023399, 59031488, 670098469, 890625774, 5819828766, 7385789497

Basic calculations (n = 1991367906)

Multiplication

n×y
n×2 3982735812
n×3 5974103718
n×4 7965471624
n×5 9956839530

Division

n÷y
n÷2 995683953
n÷3 663789302
n÷3 497841976.5
n÷5 398273581.2

Exponentiation

ny
n2 3965546137046824836
n3 7.8968613070773E+27
n4 1.5725556165047E+37
n5 3.1315367851075E+46

Nth Root

y√n
2√n 44624.745444652
3√n 1258.1058096747
4√n 211.2456992335
5√n 72.41529441427

Divisors of 1991367906

1, 2, 3, 6, 121, 242, 363, 726, 2742931, 5485862, 8228793, 16457586, 331894651, 663789302, 995683953, 1991367906

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 -1991367905
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 1991367906 can be divided by 16 positive divisors. The sum of these divisors (counting 1991367906) is 1, the average is 0.0625.

Base conversion 1991367906

Base System Value
2 Binary 1110110101100011101110011100010
3 Ternary 12010210002222012220
4 Quaternary 1312230131303202
5 Quinary 13034242233111
6 Senary 525333531510
8 Octal 16654356342
10 Decimal 1991367906
12 Duodecimal 476aa3b96
16 Hexadecimal 76b1dce2
20 Vigesimal 1b260jf6
36 Base36 wxlxb6

Cryptographic Hash Functions

md5 3fe64cdefa98cf19d3c8aa63e8da7d39
sha1 2979d683c7548b98eb7821c92ad9ef16a3b99d8f
sha256 6fb4ddd63d903607ada7bfeec4c83ddd9bc7fb1e402ae4786d35e19468198674
sha512 68b7b245ed2f3fde3b1ec03f0d2183f8f8a5f8a832f196dfd638ca5b874463dfc03d7abbacb883a6020aa1b8c4110efcbdc3c285366b606e0657191fc018f84c
ripemd-160 e83adea34250854a2d767d1debc87a547d7d9ad3

1991367906 as geometric shapes

Circle

Radius = n
Diameter 3982735812
Circumference 12512133568.168
Area 1.2458130611618E+19

Sphere

Radius = n
Volume 3.3078295291642E+28
Surface area 4.9832522446471E+19
Circumference 12512133568.168

Square

Length = n
Perimeter 7965471624
Area 3965546137046824836
Diagonal 2816219500.3397

Cube

Length = n
Surface area 2.3793276822281E+19
Volume 7.8968613070773E+27
Space diagonal 3449150389.754

Equilateral Triangle

Length = n
Perimeter 5974103718
Area 1.7171318472809E+18
Altitude 1724575194.877

Triangular Pyramid

Length = n
Surface area 1.7171318472809E+18
Volume 9.3065403005401E+26
Height 938739833.44657