990805840 (number)

990805840 is an even 9-digits composite number following 990805839 and preceding 990805841. In scientific notation, it is written as 9.90805840 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 396322304 positive integers (up to 990805840) that are relatively prime to 990805840.

Interesting facts

Basic properties

Name

Name nine hundred ninety million eight hundred five thousand eight hundred forty

Notation

Scientific notation 9.90805840 × 10^8
Engineering notation 9.90805840 × 10^6

Prime Factorization of 990805840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 12385073

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 123850730
Product of the distinct prime numbers

The prime factorization of 990805840 is 2 × 2 × 2 × 2 × 5 × 12385073. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 37, 81, 116, 514, 8569, 5534, 62739, 5770, 436545, 734444, 9683990, 333133, 52994333, 85206827, 185380446, 389556327, 68424510, 8169727166

Basic calculations (n = 990805840)

Multiplication

n×y
n×2 1981611680
n×3 2972417520
n×4 3963223360
n×5 4954029200

Division

n÷y
n÷2 495402920
n÷3 330268613.33333
n÷3 247701460
n÷5 198161168

Exponentiation

ny
n2 981696212578105600
n3 9.7267034052827E+26
n4 9.637274537902E+35
n5 9.5486678938366E+44

Nth Root

y√n
2√n 31477.068478497
3√n 996.92583921958
4√n 177.41777948813
5√n 62.979282931746

Divisors of 990805840

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12385073, 24770146, 49540292, 61925365, 99080584, 123850730, 198161168, 247701460, 495402920, 990805840

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990805839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990805840 can be divided by 20 positive divisors. The sum of these divisors (counting 990805840) is 1, the average is 0.05.

Base conversion 990805840

Base System Value
2 Binary 111011000011100111111101010000
3 Ternary 2120001101011002121
4 Quaternary 323003213331100
5 Quinary 4012121241330
6 Senary 242152224024
8 Octal 7303477520
10 Decimal 990805840
12 Duodecimal 23799b014
16 Hexadecimal 3b0e7f50
20 Vigesimal f9caec0
36 Base36 gdweog

Cryptographic Hash Functions

md5 92e64576f5ef93dafa5d7d301be98f8f
sha1 f8d3d82bcca8b5d6fac01887731f6936d6c5d3f3
sha256 4789264d5f4d12f10d8855412dbf9f96c4b0a2d38e4d6c9e466d725d712f9fb4
sha512 bd36d8f052182fe21a14f7df2118add55324f7c675d90d9aec8a311c28f59788dc3b582f13c6fef9436e5fdfd5cca35bb81ec41cf41600a62387783a9580705f
ripemd-160 914f4b440dd3601ec64a3d912497f4534f957364

990805840 as geometric shapes

Circle

Radius = n
Diameter 1981611680
Circumference 6225416696.1557
Area 3.0840896094923E+18

Sphere

Radius = n
Volume 4.0743119948911E+27
Surface area 1.2336358437969E+19
Circumference 6225416696.1557

Square

Length = n
Perimeter 3963223360
Area 981696212578105600
Diagonal 1401211056.6065

Cube

Length = n
Surface area 5890177275468633600
Volume 9.7267034052827E+26
Space diagonal 1716126055.316

Equilateral Triangle

Length = n
Perimeter 2972417520
Area 4.250869294458E+17
Altitude 858063027.65798

Triangular Pyramid

Length = n
Surface area 4.250869294458E+17
Volume 1.1463029894109E+26
Height 467070352.20216