990805865 (number)

990805865 is an odd 9-digits composite number following 990805864 and preceding 990805866. In scientific notation, it is written as 9.90805865 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 679409712 positive integers (up to 990805865) that are relatively prime to 990805865.

Interesting facts

Basic properties

Name

Name nine hundred ninety million eight hundred five thousand eight hundred sixty-five

Notation

Scientific notation 9.90805865 × 10^8
Engineering notation 9.90805865 × 10^6

Prime Factorization of 990805865

Prime Factorization 7 × 5 × 28308739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 990805865
Product of the distinct prime numbers

The prime factorization of 990805865 is 7 × 5 × 28308739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 5, 23, 176, 808, 8319, 6528, 13941, 86863, 412629, 206321, 428693, 5829078, 95087945, 26146910, 609636582, 157813850, 6158251560, 7596739034

Basic calculations (n = 990805865)

Multiplication

n×y
n×2 1981611730
n×3 2972417595
n×4 3963223460
n×5 4954029325

Division

n÷y
n÷2 495402932.5
n÷3 330268621.66667
n÷3 247701466.25
n÷5 198161173

Exponentiation

ny
n2 981696262118398225
n3 9.7267041415549E+26
n4 9.6372755105723E+35
n5 9.548669098496E+44

Nth Root

y√n
2√n 31477.068875612
3√n 996.92584760438
4√n 177.41778060728
5√n 62.979283249565

Divisors of 990805865

1, 5, 7, 35, 28308739, 141543695, 198161173, 990805865

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -990805864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 990805865 can be divided by 8 positive divisors. The sum of these divisors (counting 990805865) is 1, the average is 0.125.

Base conversion 990805865

Base System Value
2 Binary 111011000011100111111101101001
3 Ternary 2120001101011010112
4 Quaternary 323003213331221
5 Quinary 4012121241430
6 Senary 242152224105
8 Octal 7303477551
10 Decimal 990805865
12 Duodecimal 23799b035
16 Hexadecimal 3b0e7f69
20 Vigesimal f9caed5
36 Base36 gdwep5

Cryptographic Hash Functions

md5 fe9a79b02922aff4b25c9fa4900b5fe0
sha1 20249297790ad37aa2d9e0486d1551ede78717f4
sha256 06fedf65106d92a9bbbb655b6f3f517540c4585c9317ccd0451d469da6d0dbd8
sha512 c209148c664c7596db0ecaac1c2f488764024a84758992667a8ebe7549af8259edcd2fbad7d49cf747fb5201e7a2e057a257be0e4cb8381aba62d0e54464c03b
ripemd-160 a214467057df6f648468a1ee8f98cd79d1964169

990805865 as geometric shapes

Circle

Radius = n
Diameter 1981611730
Circumference 6225416853.2354
Area 3.0840897651277E+18

Sphere

Radius = n
Volume 4.0743123033E+27
Surface area 1.2336359060511E+19
Circumference 6225416853.2354

Square

Length = n
Perimeter 3963223460
Area 981696262118398225
Diagonal 1401211091.9618

Cube

Length = n
Surface area 5890177572710389350
Volume 9.7267041415549E+26
Space diagonal 1716126098.6172

Equilateral Triangle

Length = n
Perimeter 2972417595
Area 4.2508695089738E+17
Altitude 858063049.30861

Triangular Pyramid

Length = n
Surface area 4.2508695089738E+17
Volume 1.1463030761815E+26
Height 467070363.98727