1990644938 (number)

1990644938 is an even 10-digits composite number following 1990644937 and preceding 1990644939. In scientific notation, it is written as 1.990644938 × 10^9. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 995322468 positive integers (up to 1990644938) that are relatively prime to 1990644938.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million six hundred forty-four thousand nine hundred thirty-eight

Notation

Scientific notation 1.990644938 × 10^9
Engineering notation 1.990644938 × 10^9

Prime Factorization of 1990644938

Prime Factorization 2 × 995322469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990644938
Product of the distinct prime numbers

The prime factorization of 1990644938 is 2 × 995322469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 28, 98, 844, 976, 3089, 7857, 84104, 14870, 327910, 561224, 208440, 7411956, 97682374, 17163890, 194964619, 861903983, 7899181469, 9285455543

Basic calculations (n = 1990644938)

Multiplication

n×y
n×2 3981289876
n×3 5971934814
n×4 7962579752
n×5 9953224690

Division

n÷y
n÷2 995322469
n÷3 663548312.66667
n÷3 497661234.5
n÷5 398128987.6

Exponentiation

ny
n2 3962667269185023844
n3 7.8882635403815E+27
n4 1.570273188627E+37
n5 3.1258563742175E+46

Nth Root

y√n
2√n 44616.644181292
3√n 1257.9535390782
4√n 211.22652338495
5√n 72.410035562309

Divisors of 1990644938

1, 2, 995322469, 1990644938

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 -1990644937
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 1990644938 can be divided by 4 positive divisors. The sum of these divisors (counting 1990644938) is 1, the average is 0.25.

Base conversion 1990644938

Base System Value
2 Binary 1110110101001101101010011001010
3 Ternary 12010201202020111022
4 Quaternary 1312221231103022
5 Quinary 13034101114223
6 Senary 525310232442
8 Octal 16651552312
10 Decimal 1990644938
12 Duodecimal 4767b5722
16 Hexadecimal 76a6d4ca
20 Vigesimal 1b21ac6i
36 Base36 wx6fgq

Cryptographic Hash Functions

md5 e62403d0304c912a50574638cfbf7339
sha1 ef8fc03418ee8decacdc29ebe208a4abea671a34
sha256 238d0ff718aea6a5806a61956638f1bdd87f989280c965156d9466dba7f6cdf4
sha512 6a49cf5e05f8b57f60bfa14c42f07a6e19f911be0a7fc79b4953dc2b2db1afddfb0475307682a3a6d59842e5ca9dc0ee7846f62c94d130deded1522c690008e8
ripemd-160 4ac622fcb74439f297cdd92ba5063f666bf7f600

1990644938 as geometric shapes

Circle

Radius = n
Diameter 3981289876
Circumference 12507591026.253
Area 1.2449086381492E+19

Sphere

Radius = n
Volume 3.3042281050723E+28
Surface area 4.979634552597E+19
Circumference 12507591026.253

Square

Length = n
Perimeter 7962579752
Area 3962667269185023844
Diagonal 2815197069.1889

Cube

Length = n
Surface area 2.377600361511E+19
Volume 7.8882635403815E+27
Space diagonal 3447898172.4458

Equilateral Triangle

Length = n
Perimeter 5971934814
Area 1.7158852609297E+18
Altitude 1723949086.2229

Triangular Pyramid

Length = n
Surface area 1.7158852609297E+18
Volume 9.2964077353172E+26
Height 938399023.06298