1991231040 (number)

1991231040 is an even 10-digits composite number following 1991231039 and preceding 1991231041. In scientific notation, it is written as 1.991231040 × 10^9. The sum of its digits is 30. It has a total of 9 prime factors and 56 positive divisors. There are 530994688 positive integers (up to 1991231040) that are relatively prime to 1991231040.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991231040 × 10^9
Engineering notation 1.991231040 × 10^9

Prime Factorization of 1991231040

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 2074199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 62225970
Product of the distinct prime numbers

The prime factorization of 1991231040 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 2074199. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 10, 60, 70, 454, 643, 613, 9464, 92161, 24952, 392333, 805999, 6233634, 9177393, 16992360, 54042460, 719374164, 974772438, 2943617448, 634400000

Basic calculations (n = 1991231040)

Multiplication

n×y
n×2 3982462080
n×3 5973693120
n×4 7964924160
n×5 9956155200

Division

n÷y
n÷2 995615520
n÷3 663743680
n÷3 497807760
n÷5 398246208

Exponentiation

ny
n2 3965001054659481600
n3 7.8952331736707E+27
n4 1.5721233363451E+37
n5 3.1304607860387E+46

Nth Root

y√n
2√n 44623.211896949
3√n 1258.0769859611
4√n 211.24206942972
5√n 72.414298971474

Divisors of 1991231040

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 2074199, 4148398, 6222597, 8296796, 10370995, 12445194, 16593592, 20741990, 24890388, 31112985, 33187184, 41483980, 49780776, 62225970, 66374368, 82967960, 99561552, 124451940, 132748736, 165935920, 199123104, 248903880, 331871840, 398246208, 497807760, 663743680, 995615520, 1991231040

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991231039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991231040 can be divided by 56 positive divisors. The sum of these divisors (counting 1991231040) is 1, the average is 0.017857142857143.

Base conversion 1991231040

Base System Value
2 Binary 1110110101011111100011001000000
3 Ternary 12010202212000110210
4 Quaternary 1312223330121000
5 Quinary 13034223343130
6 Senary 525330554120
8 Octal 16653743100
10 Decimal 1991231040
12 Duodecimal 476a38940
16 Hexadecimal 76afc640
20 Vigesimal 1b253hc0
36 Base36 wxizpc

Cryptographic Hash Functions

md5 5fcb0585cef6a58e10bdacccc87c1d82
sha1 0033123e982c0d1ecbcbb985d8432b8b0e3ca0b4
sha256 88b3101d172cd47128cd68c0f52ce3406b7402109006123f27371d9e51db5b56
sha512 ace4e140ee6a4605b2958c6092c0014076fcc029089b735b3f4165aa213ad9e45626901a8d6d9bc040efbd5b6aa81f521983f681322fa0f3a12e627e05897e65
ripemd-160 43a1e189c7cca640910787bb67d1bdd07aae7f88

1991231040 as geometric shapes

Circle

Radius = n
Diameter 3982462080
Circumference 12511273613.728
Area 1.2456418184794E+19

Sphere

Radius = n
Volume 3.3071475382376E+28
Surface area 4.9825672739176E+19
Circumference 12511273613.728

Square

Length = n
Perimeter 7964924160
Area 3965001054659481600
Diagonal 2816025942.5863

Cube

Length = n
Surface area 2.3790006327957E+19
Volume 7.8952331736707E+27
Space diagonal 3448913330.8882

Equilateral Triangle

Length = n
Perimeter 5973693120
Area 1.7168958196836E+18
Altitude 1724456665.4441

Triangular Pyramid

Length = n
Surface area 1.7168958196836E+18
Volume 9.3046215269192E+26
Height 938675314.19543