1990657986 (number)

1990657986 is an even 10-digits composite number following 1990657985 and preceding 1990657987. In scientific notation, it is written as 1.990657986 × 10^9. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 663552660 positive integers (up to 1990657986) that are relatively prime to 1990657986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990657986 × 10^9
Engineering notation 1.990657986 × 10^9

Prime Factorization of 1990657986

Prime Factorization 2 × 3 × 331776331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990657986
Product of the distinct prime numbers

The prime factorization of 1990657986 is 2 × 3 × 331776331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990657986)

Multiplication

n×y
n×2 3981315972
n×3 5971973958
n×4 7962631944
n×5 9953289930

Division

n÷y
n÷2 995328993
n÷3 663552662
n÷3 497664496.5
n÷5 398131597.2

Exponentiation

ny
n2 3962719217225576196
n3 7.8884186560458E+27
n4 1.5703143594569E+37
n5 3.1259588201833E+46

Nth Root

y√n
2√n 44616.79040451
3√n 1257.956287558
4√n 211.22686951359
5√n 72.410130486687

Divisors of 1990657986

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 -1990657985
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 1990657986 can be divided by 8 positive divisors. The sum of these divisors (counting 1990657986) is 1, the average is 0.125.

Base conversion 1990657986

Base System Value
2 Binary 1110110101001110000011111000010
3 Ternary 12010201202220101120
4 Quaternary 1312221300133002
5 Quinary 13034102023421
6 Senary 525310413110
8 Octal 16651603702
10 Decimal 1990657986
12 Duodecimal 476801196
16 Hexadecimal 76a707c2
20 Vigesimal 1b21c4j6
36 Base36 wx6pj6

Cryptographic Hash Functions

md5 ce7e623084e7487bf4c19dde973c158c
sha1 211f1969166a7656179c8c58654dc5f0a6c34358
sha256 b6564a579f5998541abd4828956243f51cd2f9d06ad8e5252394c1ff5c944fa7
sha512 45fc40a381cea1485498565885b8b639b888aa5b0e04e3c7bb99c9c91fe7b6555f4fbcd9ae19fca1c3fe52b8d16c8fe2be6ae19d04d3baa177e79e81e3fda4ab
ripemd-160 f65f8f0bd835ecd139cb699d5038cf903769e568

1990657986 as geometric shapes

Circle

Radius = n
Diameter 3981315972
Circumference 12507673009.255
Area 1.2449249581075E+19

Sphere

Radius = n
Volume 3.3042930797699E+28
Surface area 4.97969983243E+19
Circumference 12507673009.255

Square

Length = n
Perimeter 7962631944
Area 3962719217225576196
Diagonal 2815215521.8475

Cube

Length = n
Surface area 2.3776315303353E+19
Volume 7.8884186560458E+27
Space diagonal 3447920772.2447

Equilateral Triangle

Length = n
Perimeter 5971973958
Area 1.7159077550911E+18
Altitude 1723960386.1224

Triangular Pyramid

Length = n
Surface area 1.7159077550911E+18
Volume 9.2965905408807E+26
Height 938405173.94917