1991231049 (number)

1991231049 is an odd 10-digits composite number following 1991231048 and preceding 1991231050. In scientific notation, it is written as 1.991231049 × 10^9. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 1269770480 positive integers (up to 1991231049) that are relatively prime to 1991231049.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991231049 × 10^9
Engineering notation 1.991231049 × 10^9

Prime Factorization of 1991231049

Prime Factorization 3 × 23 × 28858421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1991231049
Product of the distinct prime numbers

The prime factorization of 1991231049 is 3 × 23 × 28858421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 2, 52, 919, 542, 3347, 3706, 71204, 7016, 673412, 385773, 6788437, 2927645, 82489247, 88887709, 236728068, 46639081, 1363820075, 3437637437

Basic calculations (n = 1991231049)

Multiplication

n×y
n×2 3982462098
n×3 5973693147
n×4 7964924196
n×5 9956155245

Division

n÷y
n÷2 995615524.5
n÷3 663743683
n÷3 497807762.25
n÷5 398246209.8

Exponentiation

ny
n2 3965001090501640401
n3 7.8952332807257E+27
n4 1.5721233647679E+37
n5 3.1304608567842E+46

Nth Root

y√n
2√n 44623.211997793
3√n 1258.0769878565
4√n 211.24206966841
5√n 72.414299036934

Divisors of 1991231049

1, 3, 23, 69, 28858421, 86575263, 663743683, 1991231049

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991231048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991231049 can be divided by 8 positive divisors. The sum of these divisors (counting 1991231049) is 1, the average is 0.125.

Base conversion 1991231049

Base System Value
2 Binary 1110110101011111100011001001001
3 Ternary 12010202212000111010
4 Quaternary 1312223330121021
5 Quinary 13034223343144
6 Senary 525330554133
8 Octal 16653743111
10 Decimal 1991231049
12 Duodecimal 476a38949
16 Hexadecimal 76afc649
20 Vigesimal 1b253hc9
36 Base36 wxizpl

Cryptographic Hash Functions

md5 c496e520e6a94404d82ed46acb2e8543
sha1 a6a143cb292d7e54aa198822dece21b6c0738125
sha256 cf854782559bdd7e4a4580f25e0bbc7b817ddbd1c33435dad0cff23429879123
sha512 d2d062ad33012496028d3c855007c7145e25e1a27a601c36d5f168c405cc3fcd25353c3cf94a288e3f8c29e1a6ad44d8ae0cb082d79b9567a40d8390bce65f41
ripemd-160 12ad2e6102e0ec808898b95742d4edbacd9dac6d

1991231049 as geometric shapes

Circle

Radius = n
Diameter 3982462098
Circumference 12511273670.277
Area 1.2456418297395E+19

Sphere

Radius = n
Volume 3.3071475830807E+28
Surface area 4.9825673189582E+19
Circumference 12511273670.277

Square

Length = n
Perimeter 7964924196
Area 3965001090501640401
Diagonal 2816025955.3142

Cube

Length = n
Surface area 2.379000654301E+19
Volume 7.8952332807257E+27
Space diagonal 3448913346.4767

Equilateral Triangle

Length = n
Perimeter 5973693147
Area 1.7168958352037E+18
Altitude 1724456673.2383

Triangular Pyramid

Length = n
Surface area 1.7168958352037E+18
Volume 9.3046216530848E+26
Height 938675318.43807