1991438507 (number)

1991438507 is an odd 10-digits composite number following 1991438506 and preceding 1991438508. In scientific notation, it is written as 1.991438507 × 10^9. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1886625936 positive integers (up to 1991438507) that are relatively prime to 1991438507.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million four hundred thirty-eight thousand five hundred seven

Notation

Scientific notation 1.991438507 × 10^9
Engineering notation 1.991438507 × 10^9

Prime Factorization of 1991438507

Prime Factorization 19 × 104812553

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1991438507
Product of the distinct prime numbers

The prime factorization of 1991438507 is 19 × 104812553. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 67, 89, 137, 323, 881, 7864, 44911, 53814, 481157, 291089, 7106496, 4738886, 95554973, 4782056, 180642287, 500823093, 2162455904, 1715059496

Basic calculations (n = 1991438507)

Multiplication

n×y
n×2 3982877014
n×3 5974315521
n×4 7965754028
n×5 9957192535

Division

n÷y
n÷2 995719253.5
n÷3 663812835.66667
n÷3 497859626.75
n÷5 398287701.4

Exponentiation

ny
n2 3965827327162389049
n3 7.8977012514241E+27
n4 1.5727786388868E+37
n5 3.1320919444662E+46

Nth Root

y√n
2√n 44625.536489772
3√n 1258.1206775918
4√n 211.24757155947
5√n 72.415807882392

Divisors of 1991438507

1, 19, 104812553, 1991438507

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 -1991438506
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 1991438507 can be divided by 4 positive divisors. The sum of these divisors (counting 1991438507) is 1, the average is 0.25.

Base conversion 1991438507

Base System Value
2 Binary 1110110101100101111000010101011
3 Ternary 12010210020120001202
4 Quaternary 1312230233002223
5 Quinary 13034302013012
6 Senary 525335234415
8 Octal 16654570253
10 Decimal 1991438507
12 Duodecimal 476b18a0b
16 Hexadecimal 76b2f0ab
20 Vigesimal 1b269g57
36 Base36 wxnfsb

Cryptographic Hash Functions

md5 0af5b566fcc26a13e842d1f7a1a0d21d
sha1 ffb40d1ab19fa7d03d3844d29fcf50de042b3746
sha256 f6810bfd1c53384c373672aaf36bf7cc41da6905d5074b7a5775637c0083712c
sha512 20113379f6ccb2a05866c3ec74d2bec759621d1d69cd1040967bb4ea2dac63b4dd098f1a216ea3319a5da73c4632cdd9f116fbbca8201b6df4ca1e3de7ae57e4
ripemd-160 e3585e04e9d4df980751da607462b0581a0ad45e

1991438507 as geometric shapes

Circle

Radius = n
Diameter 3982877014
Circumference 12512577167.334
Area 1.2459013996419E+19

Sphere

Radius = n
Volume 3.3081813642294E+28
Surface area 4.9836055985676E+19
Circumference 12512577167.334

Square

Length = n
Perimeter 7965754028
Area 3965827327162389049
Diagonal 2816319345.2314

Cube

Length = n
Surface area 2.3794963962974E+19
Volume 7.8977012514241E+27
Space diagonal 3449272674.2731

Equilateral Triangle

Length = n
Perimeter 5974315521
Area 1.7172536061726E+18
Altitude 1724636337.1366

Triangular Pyramid

Length = n
Surface area 1.7172536061726E+18
Volume 9.3075301844457E+26
Height 938773115.07714