1990397388 (number)

1990397388 is an even 10-digits composite number following 1990397387 and preceding 1990397389. In scientific notation, it is written as 1.990397388 × 10^9. The sum of its digits is 57. It has a total of 5 prime factors and 24 positive divisors. There are 553314240 positive integers (up to 1990397388) that are relatively prime to 1990397388.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million three hundred ninety-seven thousand three hundred eighty-eight

Notation

Scientific notation 1.990397388 × 10^9
Engineering notation 1.990397388 × 10^9

Prime Factorization of 1990397388

Prime Factorization 2 × 2 × 21 × 37 × 640411

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 995198694
Product of the distinct prime numbers

The prime factorization of 1990397388 is 2 × 2 × 21 × 37 × 640411. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 1, 11, 100, 954, 778, 5665, 9655, 70097, 98745, 580877, 815416, 8322712, 1957501, 72919012, 75551756, 544559922, 495576794, 581643504, 3239455710

Basic calculations (n = 1990397388)

Multiplication

n×y
n×2 3980794776
n×3 5971192164
n×4 7961589552
n×5 9951986940

Division

n÷y
n÷2 995198694
n÷3 663465796
n÷3 497599347
n÷5 398079477.6

Exponentiation

ny
n2 3961681762157222544
n3 7.885321031485E+27
n4 1.5694922384609E+37
n5 3.1239132519189E+46

Nth Root

y√n
2√n 44613.869906118
3√n 1257.9013919404
4√n 211.21995622128
5√n 72.408234538362

Divisors of 1990397388

1, 2, 4, 21, 37, 42, 74, 84, 148, 777, 1554, 3108, 640411, 1280822, 2561644, 13448631, 23695207, 26897262, 47390414, 53794524, 94780828, 497599347, 995198694, 1990397388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990397387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990397388 can be divided by 24 positive divisors. The sum of these divisors (counting 1990397388) is 1, the average is 0.041666666666667.

Base conversion 1990397388

Base System Value
2 Binary 1110110101000110000110111001100
3 Ternary 12010201021122220210
4 Quaternary 1312220300313030
5 Quinary 13034020204023
6 Senary 525301042420
8 Octal 16650606714
10 Decimal 1990397388
12 Duodecimal 4766b6410
16 Hexadecimal 76a30dcc
20 Vigesimal 1b1jjd98
36 Base36 wx14gc

Cryptographic Hash Functions

md5 2a397f8126c55bccb2d0cff6a09320da
sha1 b01923daca9eb718feabd41f94a4e5bb40c9f333
sha256 f9eef71c9da7885da2adc424425ead875ff60b65e6dfff3c9b16880be1583cc4
sha512 044db7ccc57a0462cc54434c48bf029761672c9b9c70a85b02bff5586c27e18c0be8aa7cd7df6f39508f9d00d9a531ecee151af357730e838d9909164aa4fd15
ripemd-160 02961e8febec6bb2adcf0fe602d4c7f72933b344

1990397388 as geometric shapes

Circle

Radius = n
Diameter 3980794776
Circumference 12506035623.73
Area 1.2445990319854E+19

Sphere

Radius = n
Volume 3.302995549828E+28
Surface area 4.9783961279415E+19
Circumference 12506035623.73

Square

Length = n
Perimeter 7961589552
Area 3961681762157222544
Diagonal 2814846980.6216

Cube

Length = n
Surface area 2.3770090572943E+19
Volume 7.885321031485E+27
Space diagonal 3447469403.2684

Equilateral Triangle

Length = n
Perimeter 5971192164
Area 1.7154585238688E+18
Altitude 1723734701.6342

Triangular Pyramid

Length = n
Surface area 1.7154585238688E+18
Volume 9.2929399553265E+26
Height 938282326.87386