1649775981 (number)

1649775981 is an odd 10-digits composite number following 1649775980 and preceding 1649775982. In scientific notation, it is written as 1.649775981 × 10^9. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 942509424 positive integers (up to 1649775981) that are relatively prime to 1649775981.

Interesting facts

Basic properties

Name

Name one billion six hundred forty-nine million seven hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 1.649775981 × 10^9
Engineering notation 1.649775981 × 10^9

Prime Factorization of 1649775981

Prime Factorization 21 × 6863 × 11447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1649775981
Product of the distinct prime numbers

The prime factorization of 1649775981 is 21 × 6863 × 11447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 13, 58, 1000, 937, 1757, 4963, 9103, 24510, 879439, 317232, 5236755, 6420118, 88478537, 64132043, 986459172, 988708709, 5765659234, 1955954644

Basic calculations (n = 1649775981)

Multiplication

n×y
n×2 3299551962
n×3 4949327943
n×4 6599103924
n×5 8248879905

Division

n÷y
n÷2 824887990.5
n÷3 549925327
n÷3 412443995.25
n÷5 329955196.2

Exponentiation

ny
n2 2721760787484512361
n3 4.4902955732196E+27
n4 7.4079817842883E+36
n5 1.2221510415404E+46

Nth Root

y√n
2√n 40617.434446306
3√n 1181.6122701522
4√n 201.53767500472
5√n 69.740490138808

Divisors of 1649775981

1, 21, 6863, 11447, 144123, 240387, 78560761, 1649775981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1649775980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1649775981 can be divided by 8 positive divisors. The sum of these divisors (counting 1649775981) is 1, the average is 0.125.

Base conversion 1649775981

Base System Value
2 Binary 1100010010101011001010101101101
3 Ternary 11020222100022012010
4 Quaternary 1202111121111231
5 Quinary 11334320312411
6 Senary 431412231433
8 Octal 14225312555
10 Decimal 1649775981
12 Duodecimal 3a060b579
16 Hexadecimal 6255956d
20 Vigesimal 15fb1jj1
36 Base36 ra8fal

Cryptographic Hash Functions

md5 9713005e01673b0235cbccef7ebef8c1
sha1 f71c74f6d20dec31f6f2343868b25388681771b0
sha256 c30ad9aa13a57cdd4d922cb2cbb71ad2ae5d38ae21011c1b17868eeb5f014202
sha512 b28bebac05599009159d996da3b67e7c48d84843762f5082dbfb1b2d3706a4d766f2f6ea35b930dfac94c5eb21493f152237e9ca9c6a9c028452f98423f0cf60
ripemd-160 5d614d819c2594835780ef4e72bba114fbabb864

1649775981 as geometric shapes

Circle

Radius = n
Diameter 3299551962
Circumference 10365848203.957
Area 8.5506636947901E+18

Sphere

Radius = n
Volume 1.8808906113698E+28
Surface area 3.420265477916E+19
Circumference 10365848203.957

Square

Length = n
Perimeter 6599103924
Area 2721760787484512361
Diagonal 2333135567.2076

Cube

Length = n
Surface area 1.6330564724907E+19
Volume 4.4902955732196E+27
Space diagonal 2857495820.1988

Equilateral Triangle

Length = n
Perimeter 4949327943
Area 1.178556992493E+18
Altitude 1428747910.0994

Triangular Pyramid

Length = n
Surface area 1.178556992493E+18
Volume 5.2918640822592E+26
Height 777711855.73586