1990657989 (number)

1990657989 is an odd 10-digits composite number following 1990657988 and preceding 1990657990. In scientific notation, it is written as 1.990657989 × 10^9. The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors. There are 1323165312 positive integers (up to 1990657989) that are relatively prime to 1990657989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990657989 × 10^9
Engineering notation 1.990657989 × 10^9

Prime Factorization of 1990657989

Prime Factorization 9 × 337 × 656333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990657989
Product of the distinct prime numbers

The prime factorization of 1990657989 is 9 × 337 × 656333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 44, 21, 16, 593, 3955, 8767, 89160, 48441, 92767, 294767, 9801152, 3261979, 66798637, 8749791, 344583243, 531430993, 2695169, 21552660

Basic calculations (n = 1990657989)

Multiplication

n×y
n×2 3981315978
n×3 5971973967
n×4 7962631956
n×5 9953289945

Division

n÷y
n÷2 995328994.5
n÷3 663552663
n÷3 497664497.25
n÷5 398131597.8

Exponentiation

ny
n2 3962719229169524121
n3 7.8884186917102E+27
n4 1.570314368923E+37
n5 3.125958843738E+46

Nth Root

y√n
2√n 44616.79043813
3√n 1257.9562881899
4√n 211.22686959317
5√n 72.410130508512

Divisors of 1990657989

1, 9, 337, 3033, 656333, 5906997, 221184221, 1990657989

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 -1990657988
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 1990657989 can be divided by 8 positive divisors. The sum of these divisors (counting 1990657989) is 1, the average is 0.125.

Base conversion 1990657989

Base System Value
2 Binary 1110110101001110000011111000101
3 Ternary 12010201202220101200
4 Quaternary 1312221300133011
5 Quinary 13034102023424
6 Senary 525310413113
8 Octal 16651603705
10 Decimal 1990657989
12 Duodecimal 476801199
16 Hexadecimal 76a707c5
20 Vigesimal 1b21c4j9
36 Base36 wx6pj9

Cryptographic Hash Functions

md5 4154d186f0a20f7df1285c3cba0627d4
sha1 50140f27d56db3f95f776aad0e28f2d70d6d8ca8
sha256 d5ac621f96f2636d38f2974a5b6d2fa7cafd3665daaa4bfd766b9accf1040cc5
sha512 fc9d3ced721340535d9b43ee5de8ef931a604f95b23bb2ea64ca158feb67817284044cafd8f949d1ba5dde56645d2dd070287c4f811510fc4848c83d76e5f906
ripemd-160 a1634674a703316d156b3140b227d9a165e8a220

1990657989 as geometric shapes

Circle

Radius = n
Diameter 3981315978
Circumference 12507673028.104
Area 1.2449249618598E+19

Sphere

Radius = n
Volume 3.304293094709E+28
Surface area 4.9796998474392E+19
Circumference 12507673028.104

Square

Length = n
Perimeter 7962631956
Area 3962719229169524121
Diagonal 2815215526.0902

Cube

Length = n
Surface area 2.3776315375017E+19
Volume 7.8884186917102E+27
Space diagonal 3447920777.4409

Equilateral Triangle

Length = n
Perimeter 5971973967
Area 1.7159077602629E+18
Altitude 1723960388.7204

Triangular Pyramid

Length = n
Surface area 1.7159077602629E+18
Volume 9.2965905829117E+26
Height 938405175.36338