1991231071 (number)

1991231071 is an odd 10-digits composite number following 1991231070 and preceding 1991231072. In scientific notation, it is written as 1.991231071 × 10^9. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 1991002392 positive integers (up to 1991231071) that are relatively prime to 1991231071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991231071 × 10^9
Engineering notation 1.991231071 × 10^9

Prime Factorization of 1991231071

Prime Factorization 9067 × 219613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1991231071
Product of the distinct prime numbers

The prime factorization of 1991231071 is 9067 × 219613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 29, 90, 842, 246, 3273, 502, 72618, 33548, 913039, 896042, 5248679, 5725472, 41298144, 80364547, 530552278, 934647952, 2367406209, 6405439757

Basic calculations (n = 1991231071)

Multiplication

n×y
n×2 3982462142
n×3 5973693213
n×4 7964924284
n×5 9956155355

Division

n÷y
n÷2 995615535.5
n÷3 663743690.33333
n÷3 497807767.75
n÷5 398246214.2

Exponentiation

ny
n2 3965001178115807041
n3 7.8952335424158E+27
n4 1.572123434246E+37
n5 3.1304610297178E+46

Nth Root

y√n
2√n 44623.212244302
3√n 1258.0769924898
4√n 211.24207025188
5√n 72.414299196947

Divisors of 1991231071

1, 9067, 219613, 1991231071

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 -1991231070
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 1991231071 can be divided by 4 positive divisors. The sum of these divisors (counting 1991231071) is 1, the average is 0.25.

Base conversion 1991231071

Base System Value
2 Binary 1110110101011111100011001011111
3 Ternary 12010202212000111221
4 Quaternary 1312223330121133
5 Quinary 13034223343241
6 Senary 525330554211
8 Octal 16653743137
10 Decimal 1991231071
12 Duodecimal 476a38967
16 Hexadecimal 76afc65f
20 Vigesimal 1b253hdb
36 Base36 wxizq7

Cryptographic Hash Functions

md5 281f44ee0528389737c1d7faa08d230c
sha1 0a8744bc39523f758f1fdcdac75a39e291b151aa
sha256 b4c7f8fe87a0fc38b2f678cdae2d8a1b59fbbd28b9eec5dce09e7d56254168ad
sha512 a4b09e05df0bb331d48c4ebe64b6b7cbda16dba5d1bed3aba6318fde42948c55414d7faea03574ac8685ff179f3b22d0c25a03ce6b6a4e5ecf0584362867b5ed
ripemd-160 58fe4adbbd3e1b41d0c339512ad18cccf986feb9

1991231071 as geometric shapes

Circle

Radius = n
Diameter 3982462142
Circumference 12511273808.507
Area 1.2456418572643E+19

Sphere

Radius = n
Volume 3.3071476926972E+28
Surface area 4.9825674290574E+19
Circumference 12511273808.507

Square

Length = n
Perimeter 7964924284
Area 3965001178115807041
Diagonal 2816025986.4269

Cube

Length = n
Surface area 2.3790007068695E+19
Volume 7.8952335424158E+27
Space diagonal 3448913384.5818

Equilateral Triangle

Length = n
Perimeter 5973693213
Area 1.7168958731418E+18
Altitude 1724456692.2909

Triangular Pyramid

Length = n
Surface area 1.7168958731418E+18
Volume 9.3046219614895E+26
Height 938675328.80897