1990245839 (number)

1990245839 is an odd 10-digits composite number following 1990245838 and preceding 1990245840. In scientific notation, it is written as 1.990245839 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 1885496040 positive integers (up to 1990245839) that are relatively prime to 1990245839.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million two hundred forty-five thousand eight hundred thirty-nine

Notation

Scientific notation 1.990245839 × 10^9
Engineering notation 1.990245839 × 10^9

Prime Factorization of 1990245839

Prime Factorization 19 × 104749781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990245839
Product of the distinct prime numbers

The prime factorization of 1990245839 is 19 × 104749781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 85, 61, 3, 373, 9691, 9659, 47240, 55210, 538149, 511911, 9953479, 6932990, 45372268, 2405575, 680850289, 56926628, 1123887106, 2897982498

Basic calculations (n = 1990245839)

Multiplication

n×y
n×2 3980491678
n×3 5970737517
n×4 7960983356
n×5 9951229195

Division

n÷y
n÷2 995122919.5
n÷3 663415279.66667
n÷3 497561459.75
n÷5 398049167.8

Exponentiation

ny
n2 3961078499656813921
n3 7.8835200018943E+27
n4 1.5690142880443E+37
n5 3.1227241581118E+46

Nth Root

y√n
2√n 44612.171422158
3√n 1257.8694655627
4√n 211.21593553082
5√n 72.407131871144

Divisors of 1990245839

1, 19, 104749781, 1990245839

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990245838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990245839 can be divided by 4 positive divisors. The sum of these divisors (counting 1990245839) is 1, the average is 0.25.

Base conversion 1990245839

Base System Value
2 Binary 1110110101000001011110111001111
3 Ternary 12010200222222000212
4 Quaternary 1312220023313033
5 Quinary 13034000331324
6 Senary 525253513035
8 Octal 16650136717
10 Decimal 1990245839
12 Duodecimal 47664277b
16 Hexadecimal 76a0bdcf
20 Vigesimal 1b1j0ebj
36 Base36 wwxvin

Cryptographic Hash Functions

md5 07f34374aa6710e49d08e1eea35da950
sha1 7e0a7f087b459838f653a010fe128b35ff0e38fb
sha256 d551f485d22c28e067a1483b01c564c043d6cb083af2f9342bf9626ff75f287d
sha512 d63ba8d6bdc7d65dee9e1d5166a99700c54a8deff8ad08f337b2295d6d715803c7adfdd6dc4161025c0f4f67f844211f59b08cd1c86f67e5f102157afcd34b8e
ripemd-160 6f73afefa83f5f90a369d67a94448c03002742db

1990245839 as geometric shapes

Circle

Radius = n
Diameter 3980491678
Circumference 12505083413.28
Area 1.2444095114814E+19

Sphere

Radius = n
Volume 3.3022411363173E+28
Surface area 4.9776380459257E+19
Circumference 12505083413.28

Square

Length = n
Perimeter 7960983356
Area 3961078499656813921
Diagonal 2814632657.9704

Cube

Length = n
Surface area 2.3766470997941E+19
Volume 7.8835200018943E+27
Space diagonal 3447206912.7005

Equilateral Triangle

Length = n
Perimeter 5970737517
Area 1.7151973035436E+18
Altitude 1723603456.3503

Triangular Pyramid

Length = n
Surface area 1.7151973035436E+18
Volume 9.2908174215988E+26
Height 938210885.99014