1990681609 (number)

1990681609 is an odd 10-digits composite number following 1990681608 and preceding 1990681610. In scientific notation, it is written as 1.990681609 × 10^9. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 1706298516 positive integers (up to 1990681609) that are relatively prime to 1990681609.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990681609 × 10^9
Engineering notation 1.990681609 × 10^9

Prime Factorization of 1990681609

Prime Factorization 7 × 284383087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990681609
Product of the distinct prime numbers

The prime factorization of 1990681609 is 7 × 284383087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990681609)

Multiplication

n×y
n×2 3981363218
n×3 5972044827
n×4 7962726436
n×5 9953408045

Division

n÷y
n÷2 995340804.5
n÷3 663560536.33333
n÷3 497670402.25
n÷5 398136321.8

Exponentiation

ny
n2 3962813268410828881
n3 7.8886994933266E+27
n4 1.5703889000293E+37
n5 3.1261443022661E+46

Nth Root

y√n
2√n 44617.055135901
3√n 1257.9612635649
4√n 211.22749616445
5√n 72.410302343069

Divisors of 1990681609

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 -1990681608
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 1990681609 can be divided by 4 positive divisors. The sum of these divisors (counting 1990681609) is 1, the average is 0.25.

Base conversion 1990681609

Base System Value
2 Binary 1110110101001110110010000001001
3 Ternary 12010201211002210111
4 Quaternary 1312221312100021
5 Quinary 13034103302414
6 Senary 525311114321
8 Octal 16651662011
10 Decimal 1990681609
12 Duodecimal 4768129a1
16 Hexadecimal 76a76409
20 Vigesimal 1b21f409
36 Base36 wx77rd

Cryptographic Hash Functions

md5 520f3620a985c4635f6bd6a9956b4e3e
sha1 bac548ddaab4527a448c39ca641ff3c374d37276
sha256 7f5d794487deaefa0a8b522ff1f3955cd186b1c0021921234dbde679fd852e41
sha512 2f8ba6b3319d6b77029ae3ab7d1d43043f69454a97b8f327711ae2023450ee7fcdf0509774b79c746dc8605108b240dc6ab933b66b0a4830a7c98804beda5675
ripemd-160 10a92f71f289bf8ef11fd20d4d493a613268b266

1990681609 as geometric shapes

Circle

Radius = n
Diameter 3981363218
Circumference 12507821436.941
Area 1.2449545051588E+19

Sphere

Radius = n
Volume 3.304410716615E+28
Surface area 4.979818020635E+19
Circumference 12507821436.941

Square

Length = n
Perimeter 7962726436
Area 3962813268410828881
Diagonal 2815248929.8145

Cube

Length = n
Surface area 2.3776879610465E+19
Volume 7.8886994933266E+27
Space diagonal 3447961688.481

Equilateral Triangle

Length = n
Perimeter 5972044827
Area 1.7159484804489E+18
Altitude 1723980844.2405

Triangular Pyramid

Length = n
Surface area 1.7159484804489E+18
Volume 9.2969215107902E+26
Height 938416309.93816