1990657985 (number)

1990657985 is an odd 10-digits composite number following 1990657984 and preceding 1990657986. In scientific notation, it is written as 1.990657985 × 10^9. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 1574664000 positive integers (up to 1990657985) that are relatively prime to 1990657985.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million six hundred fifty-seven thousand nine hundred eighty-five

Notation

Scientific notation 1.990657985 × 10^9
Engineering notation 1.990657985 × 10^9

Prime Factorization of 1990657985

Prime Factorization 505 × 911 × 4327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990657985
Product of the distinct prime numbers

The prime factorization of 1990657985 is 505 × 911 × 4327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 56, 69, 964, 536, 4119, 4235, 27192, 61223, 781541, 309880, 4299015, 503268, 23315116, 79914243, 219239005, 360615106, 9026677430, 5728819610

Basic calculations (n = 1990657985)

Multiplication

n×y
n×2 3981315970
n×3 5971973955
n×4 7962631940
n×5 9953289925

Division

n÷y
n÷2 995328992.5
n÷3 663552661.66667
n÷3 497664496.25
n÷5 398131597

Exponentiation

ny
n2 3962719213244260225
n3 7.8884186441576E+27
n4 1.5703143563015E+37
n5 3.1259588123318E+46

Nth Root

y√n
2√n 44616.790393304
3√n 1257.9562873474
4√n 211.22686948706
5√n 72.410130479412

Divisors of 1990657985

1, 505, 911, 4327, 460055, 2185135, 3941897, 1990657985

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 -1990657984
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 1990657985 can be divided by 8 positive divisors. The sum of these divisors (counting 1990657985) is 1, the average is 0.125.

Base conversion 1990657985

Base System Value
2 Binary 1110110101001110000011111000001
3 Ternary 12010201202220101112
4 Quaternary 1312221300133001
5 Quinary 13034102023420
6 Senary 525310413105
8 Octal 16651603701
10 Decimal 1990657985
12 Duodecimal 476801195
16 Hexadecimal 76a707c1
20 Vigesimal 1b21c4j5
36 Base36 wx6pj5

Cryptographic Hash Functions

md5 0cce790df5060d76405ca046e7a428a0
sha1 abe71c434194921f1992f4cf85e3b5fe579efb8b
sha256 569f34b1563e8b3df7916c8c2746dffb1cf359dbe54904aeca35827f68d57016
sha512 6101eba331c64f68aed205c29dee7e72e2ceedcb5366922d9c03b08347b3be299dadb0df1447c79c08c66e5633a12b79759b37146e8da102b89c3c14580cc3b5
ripemd-160 68b3a48077d4d280cbea24cb86e707dbdd1f47c8

1990657985 as geometric shapes

Circle

Radius = n
Diameter 3981315970
Circumference 12507673002.972
Area 1.2449249568567E+19

Sphere

Radius = n
Volume 3.3042930747902E+28
Surface area 4.9796998274269E+19
Circumference 12507673002.972

Square

Length = n
Perimeter 7962631940
Area 3962719213244260225
Diagonal 2815215520.4333

Cube

Length = n
Surface area 2.3776315279466E+19
Volume 7.8884186441576E+27
Space diagonal 3447920770.5127

Equilateral Triangle

Length = n
Perimeter 5971973955
Area 1.7159077533671E+18
Altitude 1723960385.2563

Triangular Pyramid

Length = n
Surface area 1.7159077533671E+18
Volume 9.2965905268704E+26
Height 938405173.47777