1991231084 (number)

1991231084 is an even 10-digits composite number following 1991231083 and preceding 1991231085. In scientific notation, it is written as 1.991231084 × 10^9. The sum of its digits is 38. It has a total of 6 prime factors and 48 positive divisors. There are 931928256 positive integers (up to 1991231084) that are relatively prime to 1991231084.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million two hundred thirty-one thousand eighty-four

Notation

Scientific notation 1.991231084 × 10^9
Engineering notation 1.991231084 × 10^9

Prime Factorization of 1991231084

Prime Factorization 2 × 2 × 179 × 19 × 197 × 743

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 995615542
Product of the distinct prime numbers

The prime factorization of 1991231084 is 2 × 2 × 179 × 19 × 197 × 743. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 29, 55, 930, 478, 7180, 4683, 56084, 52841, 927911, 272967, 7871257, 9776983, 85272748, 91423740, 544722179, 571979201, 9765627342, 4968747309

Basic calculations (n = 1991231084)

Multiplication

n×y
n×2 3982462168
n×3 5973693252
n×4 7964924336
n×5 9956155420

Division

n÷y
n÷2 995615542
n÷3 663743694.66667
n÷3 497807771
n÷5 398246216.8

Exponentiation

ny
n2 3965001229887815056
n3 7.8952336970508E+27
n4 1.5721234753012E+37
n5 3.1304611319058E+46

Nth Root

y√n
2√n 44623.212389966
3√n 1258.0769952276
4√n 211.24207059666
5√n 72.4142992915

Divisors of 1991231084

1, 2, 4, 19, 38, 76, 179, 197, 358, 394, 716, 743, 788, 1486, 2972, 3401, 3743, 6802, 7486, 13604, 14117, 14972, 28234, 35263, 56468, 70526, 132997, 141052, 146371, 265994, 292742, 531988, 585484, 669997, 1339994, 2526943, 2679988, 2781049, 5053886, 5562098, 10107772, 11124196, 26200409, 52400818, 104801636, 497807771, 995615542, 1991231084

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991231083
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991231084 can be divided by 48 positive divisors. The sum of these divisors (counting 1991231084) is 1, the average is 0.020833333333333.

Base conversion 1991231084

Base System Value
2 Binary 1110110101011111100011001101100
3 Ternary 12010202212000112102
4 Quaternary 1312223330121230
5 Quinary 13034223343314
6 Senary 525330554232
8 Octal 16653743154
10 Decimal 1991231084
12 Duodecimal 476a38978
16 Hexadecimal 76afc66c
20 Vigesimal 1b253he4
36 Base36 wxizqk

Cryptographic Hash Functions

md5 55db869b6f314fbd5df87cecc0e53bcb
sha1 c371ecb5e2316f09a1dfc4f3de99eb3a4ff169f3
sha256 1c151b6f5fcca40e59dde9cee185c9bc39e7d90516aee3f58ee8dbe57c580d81
sha512 7b64fb4102eebae31266866fc4290c04bc07a5013bfe34577f2ab092faadbf52db5b3f61706f6a38bddcaed15679388a8fa3459d0c2f40cf3b03410bfdc439aa
ripemd-160 a6e71545cf4fae4c4176850a274ca65156c918cf

1991231084 as geometric shapes

Circle

Radius = n
Diameter 3982462168
Circumference 12511273890.188
Area 1.245641873529E+19

Sphere

Radius = n
Volume 3.3071477574706E+28
Surface area 4.982567494116E+19
Circumference 12511273890.188

Square

Length = n
Perimeter 7964924336
Area 3965001229887815056
Diagonal 2816026004.8117

Cube

Length = n
Surface area 2.3790007379327E+19
Volume 7.8952336970508E+27
Space diagonal 3448913407.0985

Equilateral Triangle

Length = n
Perimeter 5973693252
Area 1.7168958955597E+18
Altitude 1724456703.5492

Triangular Pyramid

Length = n
Surface area 1.7168958955597E+18
Volume 9.3046221437287E+26
Height 938675334.93723