990431808 (number)

990431808 is an even 9-digits composite number following 990431807 and preceding 990431809. In scientific notation, it is written as 9.90431808 × 10^8. The sum of its digits is 42. It has a total of 8 prime factors and 28 positive divisors. There are 330143872 positive integers (up to 990431808) that are relatively prime to 990431808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.90431808 × 10^8
Engineering notation 9.90431808 × 10^6

Prime Factorization of 990431808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5158499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 30950994
Product of the distinct prime numbers

The prime factorization of 990431808 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5158499. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 10, 49, 45, 226, 227, 5507, 8813, 96686, 62015, 213710, 646578, 7923202, 2243944, 70348410, 76104149, 884746551, 163541631, 113335593, 3933445981

Basic calculations (n = 990431808)

Multiplication

n×y
n×2 1980863616
n×3 2971295424
n×4 3961727232
n×5 4952159040

Division

n÷y
n÷2 495215904
n÷3 330143936
n÷3 247607952
n÷5 198086361.6

Exponentiation

ny
n2 980955166298148864
n3 9.7156919892362E+26
n4 9.6227303828703E+35
n5 9.5306582510028E+44

Nth Root

y√n
2√n 31471.126576594
3√n 996.80037599169
4√n 177.4010331892
5√n 62.974527242179

Divisors of 990431808

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 5158499, 10316998, 15475497, 20633996, 30950994, 41267992, 61901988, 82535984, 123803976, 165071968, 247607952, 330143936, 495215904, 990431808

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990431807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990431808 can be divided by 28 positive divisors. The sum of these divisors (counting 990431808) is 1, the average is 0.035714285714286.

Base conversion 990431808

Base System Value
2 Binary 111011000010001100101001000000
3 Ternary 2120000200011000120
4 Quaternary 323002030221000
5 Quinary 4012022304213
6 Senary 242140220240
8 Octal 7302145100
10 Decimal 990431808
12 Duodecimal 23783a680
16 Hexadecimal 3b08ca40
20 Vigesimal f9a3ja8
36 Base36 gdoe2o

Cryptographic Hash Functions

md5 c4e5e10acb364770e05c746510e7449b
sha1 ee086844994d18910b71bf0b04fff19823dfe555
sha256 491bfb2c2083d193d043b42b4d555723ec5c627d57b56da18f9720e1d84e3fda
sha512 78b2a4a045e968ec529cd1b3ba436be5b56880378b32b5ad9742e7a8fa54315b08435070cdd695300ed357e149ada6a85ee13109c733a993f0b2dd205cb24777
ripemd-160 64f9ba2647013f0cb3da563a522e791570a38763

990431808 as geometric shapes

Circle

Radius = n
Diameter 1980863616
Circumference 6223066583.7889
Area 3.0817615439432E+18

Sphere

Radius = n
Volume 4.0696995437234E+27
Surface area 1.2327046175773E+19
Circumference 6223066583.7889

Square

Length = n
Perimeter 3961727232
Area 980955166298148864
Diagonal 1400682095.4793

Cube

Length = n
Surface area 5885730997788893184
Volume 9.7156919892362E+26
Space diagonal 1715478212.8883

Equilateral Triangle

Length = n
Perimeter 2971295424
Area 4.2476604699389E+17
Altitude 857739106.44415

Triangular Pyramid

Length = n
Surface area 4.2476604699389E+17
Volume 1.1450052815848E+26
Height 466894031.82644