38991491 (number)

38991491 is an odd 8-digits composite number following 38991490 and preceding 38991492. In scientific notation, it is written as 3.8991491 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 30012000 positive integers (up to 38991491) that are relatively prime to 38991491.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred ninety-one thousand four hundred ninety-one

Notation

Scientific notation 3.8991491 × 10^7
Engineering notation 3.8991491 × 10^6

Prime Factorization of 38991491

Prime Factorization 7 × 11 × 83 × 6101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 38991491
Product of the distinct prime numbers

The prime factorization of 38991491 is 7 × 11 × 83 × 6101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38991491)

Multiplication

n×y
n×2 77982982
n×3 116974473
n×4 155965964
n×5 194957455

Division

n÷y
n÷2 19495745.5
n÷3 12997163.666667
n÷3 9747872.75
n÷5 7798298.2

Exponentiation

ny
n2 1520336370403081
n3 5.9280181903544E+22
n4 2.3114226791704E+30
n5 9.0125816592069E+37

Nth Root

y√n
2√n 6244.3166960045
3√n 339.09647941509
4√n 79.020988958659
5√n 32.975695831185

Divisors of 38991491

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38991490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38991491 can be divided by 16 positive divisors. The sum of these divisors (counting 38991491) is 1, the average is 0.0625.

Base conversion 38991491

Base System Value
2 Binary 10010100101111011010000011
3 Ternary 2201100222021022
4 Quaternary 2110233122003
5 Quinary 34440211431
6 Senary 3511420055
8 Octal 224573203
10 Decimal 38991491
12 Duodecimal 1108462b
16 Hexadecimal 252f683
20 Vigesimal c3dieb
36 Base36 n7q0z

Cryptographic Hash Functions

md5 e076a6886bc73d65d1d5b38bd52fab66
sha1 2e0f20e20fe69804535188db479501abb6e28dfe
sha256 4300c10f781844c3c1c0c3358475a573ec9c7b7d9d01efd6c9d730b17f67b952
sha512 356046d26f671372476e467bb7ac42b16d9e6eb5239f3af1083361c226ae4d966d173994267ef7de6eaff7e11685fefcbb16d0a0687c65aab8243e34fbdd65b1
ripemd-160 02b18ecafc01bba9c464723f564ca5349385de2a

38991491 as geometric shapes

Circle

Radius = n
Diameter 77982982
Circumference 244990763.35623
Area 4.7762775722437E+15

Sphere

Radius = n
Volume 2.4831224529552E+23
Surface area 1.9105110288975E+16
Circumference 244990763.35623

Square

Length = n
Perimeter 155965964
Area 1520336370403081
Diagonal 55142295.389348

Cube

Length = n
Surface area 9122018222418486
Volume 5.9280181903544E+22
Space diagonal 67535243.474865

Equilateral Triangle

Length = n
Perimeter 116974473
Area 6.5832495953325E+14
Altitude 33767621.737432

Triangular Pyramid

Length = n
Surface area 6.5832495953325E+14
Volume 6.9862364356614E+21
Height 18380765.129783