1991231079 (number)

1991231079 is an odd 10-digits composite number following 1991231078 and preceding 1991231080. In scientific notation, it is written as 1.991231079 × 10^9. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 1327487384 positive integers (up to 1991231079) that are relatively prime to 1991231079.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million two hundred thirty-one thousand seventy-nine

Notation

Scientific notation 1.991231079 × 10^9
Engineering notation 1.991231079 × 10^9

Prime Factorization of 1991231079

Prime Factorization 3 × 663743693

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1991231079
Product of the distinct prime numbers

The prime factorization of 1991231079 is 3 × 663743693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 95, 59, 542, 371, 3474, 868, 31106, 66876, 277501, 771635, 322654, 9431575, 51272555, 43371343, 141340979, 55728383, 3863211082, 4785596133

Basic calculations (n = 1991231079)

Multiplication

n×y
n×2 3982462158
n×3 5973693237
n×4 7964924316
n×5 9956155395

Division

n÷y
n÷2 995615539.5
n÷3 663743693
n÷3 497807769.75
n÷5 398246215.8

Exponentiation

ny
n2 3965001209975504241
n3 7.8952336375758E+27
n4 1.5721234595107E+37
n5 3.1304610926027E+46

Nth Root

y√n
2√n 44623.212333941
3√n 1258.0769941746
4√n 211.24207046406
5√n 72.414299255134

Divisors of 1991231079

1, 3, 663743693, 1991231079

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991231078
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991231079 can be divided by 4 positive divisors. The sum of these divisors (counting 1991231079) is 1, the average is 0.25.

Base conversion 1991231079

Base System Value
2 Binary 1110110101011111100011001100111
3 Ternary 12010202212000112020
4 Quaternary 1312223330121213
5 Quinary 13034223343304
6 Senary 525330554223
8 Octal 16653743147
10 Decimal 1991231079
12 Duodecimal 476a38973
16 Hexadecimal 76afc667
20 Vigesimal 1b253hdj
36 Base36 wxizqf

Cryptographic Hash Functions

md5 5a28e21512bd2233545bbe9ec7c9c1e0
sha1 e99086f9a9db78c11a410bdece2f9dbb73838624
sha256 f2c31ef1d70fe8ba81dc591f79379d8c293ea32e19318475bcd8307a7aeb9f6b
sha512 357296746da46a0b4087e98f5ea5a78f337327550d30eb15e4ad95ca438525d22b8c4807a153c82741c4666b7eb7ca9b9f645c0c1361d49383445d3c7b00eb25
ripemd-160 7be2f7d33a4007d6aeafdbe4c7e5f3582930820a

1991231079 as geometric shapes

Circle

Radius = n
Diameter 3982462158
Circumference 12511273858.772
Area 1.2456418672734E+19

Sphere

Radius = n
Volume 3.3071477325578E+28
Surface area 4.9825674690935E+19
Circumference 12511273858.772

Square

Length = n
Perimeter 7964924316
Area 3965001209975504241
Diagonal 2816025997.7406

Cube

Length = n
Surface area 2.3790007259853E+19
Volume 7.8952336375758E+27
Space diagonal 3448913398.4382

Equilateral Triangle

Length = n
Perimeter 5973693237
Area 1.7168958869374E+18
Altitude 1724456699.2191

Triangular Pyramid

Length = n
Surface area 1.7168958869374E+18
Volume 9.3046220736367E+26
Height 938675332.5802