1981749216 (number)

1981749216 is an even 10-digits composite number following 1981749215 and preceding 1981749217. In scientific notation, it is written as 1.981749216 × 10^9. The sum of its digits is 48. It has a total of 8 prime factors and 48 positive divisors. There are 660265344 positive integers (up to 1981749216) that are relatively prime to 1981749216.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million seven hundred forty-nine thousand two hundred sixteen

Notation

Scientific notation 1.981749216 × 10^9
Engineering notation 1.981749216 × 10^9

Prime Factorization of 1981749216

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 6967 × 2963

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 123859326
Product of the distinct prime numbers

The prime factorization of 1981749216 is 2 × 2 × 2 × 2 × 2 × 3 × 6967 × 2963. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 1, 83, 83, 91, 98, 1938, 9958, 56268, 729, 113722, 226529, 6134480, 545613, 58212020, 39795125, 200149372, 656597290, 9207139608, 3256386027

Basic calculations (n = 1981749216)

Multiplication

n×y
n×2 3963498432
n×3 5945247648
n×4 7926996864
n×5 9908746080

Division

n÷y
n÷2 990874608
n÷3 660583072
n÷3 495437304
n÷5 396349843.2

Exponentiation

ny
n2 3927329955116614656
n3 7.7829830595257E+27
n4 1.5423920576356E+37
n5 3.056634250984E+46

Nth Root

y√n
2√n 44516.841936508
3√n 1256.0769084852
4√n 210.9901465389
5√n 72.345202900899

Divisors of 1981749216

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 2963, 5926, 6967, 8889, 11852, 13934, 17778, 20901, 23704, 27868, 35556, 41802, 47408, 55736, 71112, 83604, 94816, 111472, 142224, 167208, 222944, 284448, 334416, 668832, 20643221, 41286442, 61929663, 82572884, 123859326, 165145768, 247718652, 330291536, 495437304, 660583072, 990874608, 1981749216

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981749215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981749216 can be divided by 48 positive divisors. The sum of these divisors (counting 1981749216) is 1, the average is 0.020833333333333.

Base conversion 1981749216

Base System Value
2 Binary 1110110000111110001011111100000
3 Ternary 12010010000021212010
4 Quaternary 1312013301133200
5 Quinary 13024311433331
6 Senary 524351432520
8 Octal 16607613740
10 Decimal 1981749216
12 Duodecimal 473825740
16 Hexadecimal 761f17e0
20 Vigesimal 1aj5id0g
36 Base36 wrvrhc

Cryptographic Hash Functions

md5 c4c3ef28b606be5e5d8f5a34e73f9a03
sha1 546383146e9aaa10373636e04d3c4543e3c0328d
sha256 337312562f18ec940f4058bd0ae37a20b583abad9df89a3961938ac56eaca429
sha512 0388108c891a7eb026c361f2309202a088c2c768d0ad2d9119183deb28c4fcbef652c7af311b89c5a4ce20da105e4b5089d6637670093acdc8b2dc6f6525c7fc
ripemd-160 c83bf378842a0f844344a9b6dcd3aeb857748ef1

1981749216 as geometric shapes

Circle

Radius = n
Diameter 3963498432
Circumference 12451697556.486
Area 1.2338070935217E+19

Sphere

Radius = n
Volume 3.260128320376E+28
Surface area 4.935228374087E+19
Circumference 12451697556.486

Square

Length = n
Perimeter 7926996864
Area 3927329955116614656
Diagonal 2802616618.4894

Cube

Length = n
Surface area 2.35639797307E+19
Volume 7.7829830595257E+27
Space diagonal 3432490329.9718

Equilateral Triangle

Length = n
Perimeter 5945247648
Area 1.7005837550873E+18
Altitude 1716245164.9859

Triangular Pyramid

Length = n
Surface area 1.7005837550873E+18
Volume 9.172333498751E+26
Height 934205539.49648