1991231042 (number)

1991231042 is an even 10-digits composite number following 1991231041 and preceding 1991231043. In scientific notation, it is written as 1.991231042 × 10^9. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 995615520 positive integers (up to 1991231042) that are relatively prime to 1991231042.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991231042 × 10^9
Engineering notation 1.991231042 × 10^9

Prime Factorization of 1991231042

Prime Factorization 2 × 995615521

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1991231042
Product of the distinct prime numbers

The prime factorization of 1991231042 is 2 × 995615521. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991231042)

Multiplication

n×y
n×2 3982462084
n×3 5973693126
n×4 7964924168
n×5 9956155210

Division

n÷y
n÷2 995615521
n÷3 663743680.66667
n÷3 497807760.5
n÷5 398246208.4

Exponentiation

ny
n2 3965001062624405764
n3 7.8952331974607E+27
n4 1.5721233426613E+37
n5 3.1304608017599E+46

Nth Root

y√n
2√n 44623.211919359
3√n 1258.0769863823
4√n 211.24206948276
5√n 72.414298986021

Divisors of 1991231042

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 -1991231041
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 1991231042 can be divided by 4 positive divisors. The sum of these divisors (counting 1991231042) is 1, the average is 0.25.

Base conversion 1991231042

Base System Value
2 Binary 1110110101011111100011001000010
3 Ternary 12010202212000110212
4 Quaternary 1312223330121002
5 Quinary 13034223343132
6 Senary 525330554122
8 Octal 16653743102
10 Decimal 1991231042
12 Duodecimal 476a38942
16 Hexadecimal 76afc642
20 Vigesimal 1b253hc2
36 Base36 wxizpe

Cryptographic Hash Functions

md5 d60e6e41d535bf8cab7153ca41fcef53
sha1 0912390252930b126fa7c639b87f2f27c7c70014
sha256 e325cc5e58ad285857d2005cbc220b0304a338ba0ddb238b4d9ebd5517cc5dc4
sha512 03f77dfecc12ebf7a2c233a59246d1bb84a809ce2b94c3a1335f8d86529d54b4c536b61ef106cc75f55f41b74ac0ebf7c263fa20370f4fd7eeca9c14f9e327c9
ripemd-160 2aabf00a7434276f9902457c385c039067cb917f

1991231042 as geometric shapes

Circle

Radius = n
Diameter 3982462084
Circumference 12511273626.294
Area 1.2456418209817E+19

Sphere

Radius = n
Volume 3.3071475482028E+28
Surface area 4.9825672839266E+19
Circumference 12511273626.294

Square

Length = n
Perimeter 7964924168
Area 3965001062624405764
Diagonal 2816025945.4147

Cube

Length = n
Surface area 2.3790006375746E+19
Volume 7.8952331974607E+27
Space diagonal 3448913334.3523

Equilateral Triangle

Length = n
Perimeter 5973693126
Area 1.7168958231325E+18
Altitude 1724456667.1762

Triangular Pyramid

Length = n
Surface area 1.7168958231325E+18
Volume 9.304621554956E+26
Height 938675315.13824