1649236821 (number)

1649236821 is an odd 10-digits composite number following 1649236820 and preceding 1649236822. In scientific notation, it is written as 1.649236821 × 10^9. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 1099491212 positive integers (up to 1649236821) that are relatively prime to 1649236821.

Interesting facts

Basic properties

Name

Name one billion six hundred forty-nine million two hundred thirty-six thousand eight hundred twenty-one

Notation

Scientific notation 1.649236821 × 10^9
Engineering notation 1.649236821 × 10^9

Prime Factorization of 1649236821

Prime Factorization 3 × 549745607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1649236821
Product of the distinct prime numbers

The prime factorization of 1649236821 is 3 × 549745607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 72, 97, 538, 479, 1914, 5646, 36040, 88817, 416290, 869154, 8650870, 7463954, 92186301, 62144393, 297365789, 122435578, 9122907534, 2045202790

Basic calculations (n = 1649236821)

Multiplication

n×y
n×2 3298473642
n×3 4947710463
n×4 6596947284
n×5 8246184105

Division

n÷y
n÷2 824618410.5
n÷3 549745607
n÷3 412309205.25
n÷5 329847364.2

Exponentiation

ny
n2 2719982091742186041
n3 4.4858946181618E+27
n4 7.3983025793982E+36
n5 1.2201553026843E+46

Nth Root

y√n
2√n 40610.796852561
3√n 1181.4835360105
4√n 201.5212069549
5√n 69.735931192694

Divisors of 1649236821

1, 3, 549745607, 1649236821

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 -1649236820
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 1649236821 can be divided by 4 positive divisors. The sum of these divisors (counting 1649236821) is 1, the average is 0.25.

Base conversion 1649236821

Base System Value
2 Binary 1100010010011010101101101010101
3 Ternary 11020221022220121020
4 Quaternary 1202103111231111
5 Quinary 11334201034241
6 Senary 431352511353
8 Octal 14223255525
10 Decimal 1649236821
12 Duodecimal 3a03ab559
16 Hexadecimal 624d5b55
20 Vigesimal 15f7ec11
36 Base36 r9wv9x

Cryptographic Hash Functions

md5 5358b4d2f99f657a5fe77b822c880014
sha1 de42bd271075d4bfd17086c718c549774438a666
sha256 e8ccaf97e396c8e8f1ff6b6c0ed474e06609391c7b3eb97205da77af10328fff
sha512 f2e26e342469e6be222252dcc8b7fd73a514a10b00fb7539cfb4ec575fdd5e1723bca55f4b60fa27dcdffdca89d6976ab3c6193b1626d7033ce50f945b2bef9b
ripemd-160 b16dbe691b45dd2a87a832780752a03d444a1823

1649236821 as geometric shapes

Circle

Radius = n
Diameter 3298473642
Circumference 10362460561.767
Area 8.5450757573131E+18

Sphere

Radius = n
Volume 1.879047143626E+28
Surface area 3.4180303029252E+19
Circumference 10362460561.767

Square

Length = n
Perimeter 6596947284
Area 2719982091742186041
Diagonal 2332373079.8233

Cube

Length = n
Surface area 1.6319892550453E+19
Volume 4.4858946181618E+27
Space diagonal 2856561967.6854

Equilateral Triangle

Length = n
Perimeter 4947710463
Area 1.1777867946437E+18
Altitude 1428280983.8427

Triangular Pyramid

Length = n
Surface area 1.1777867946437E+18
Volume 5.2866775069841E+26
Height 777457693.27443