1981855319 (number)

1981855319 is an odd 10-digits composite number following 1981855318 and preceding 1981855320. In scientific notation, it is written as 1.981855319 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 1954706544 positive integers (up to 1981855319) that are relatively prime to 1981855319.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million eight hundred fifty-five thousand three hundred nineteen

Notation

Scientific notation 1.981855319 × 10^9
Engineering notation 1.981855319 × 10^9

Prime Factorization of 1981855319

Prime Factorization 73 × 27148703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1981855319
Product of the distinct prime numbers

The prime factorization of 1981855319 is 73 × 27148703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 31, 17, 978, 602, 1169, 6151, 98259, 99976, 87767, 250484, 7665787, 3377150, 39156912, 71375075, 406029718, 970185158, 2415646953, 4363792337

Basic calculations (n = 1981855319)

Multiplication

n×y
n×2 3963710638
n×3 5945565957
n×4 7927421276
n×5 9909276595

Division

n÷y
n÷2 990927659.5
n÷3 660618439.66667
n÷3 495463829.75
n÷5 396371063.8

Exponentiation

ny
n2 3927750505448591761
n3 7.7842332309282E+27
n4 1.5427224033052E+37
n5 3.0574526007308E+46

Nth Root

y√n
2√n 44518.033638066
3√n 1256.0993249021
4√n 210.99297058923
5√n 72.345977557815

Divisors of 1981855319

1, 73, 27148703, 1981855319

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 -1981855318
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 1981855319 can be divided by 4 positive divisors. The sum of these divisors (counting 1981855319) is 1, the average is 0.25.

Base conversion 1981855319

Base System Value
2 Binary 1110110001000001011011001010111
3 Ternary 12010010012200101212
4 Quaternary 1312020023121113
5 Quinary 13024323332234
6 Senary 524354012035
8 Octal 16610133127
10 Decimal 1981855319
12 Duodecimal 47387701b
16 Hexadecimal 7620b657
20 Vigesimal 1aj6bi5j
36 Base36 wry1cn

Cryptographic Hash Functions

md5 f21888345aa8a576a9742267826dda85
sha1 763512c9aa88c2ac19f74fd2648291dfd0025388
sha256 413d72d9eb8f0d5c541bf376827c582d1c4c5d552dc91cfab735c2790ea39727
sha512 92473f435b5d77a56de21c616a74ac02a2d6969504547e0bb488d64e9c82a438befc255007205bce0014dd872212739a312b83866c26a5d26de296fb7bf8d6e1
ripemd-160 c988cf3aa3863cc58e1979748a1b8324c1c16be4

1981855319 as geometric shapes

Circle

Radius = n
Diameter 3963710638
Circumference 12452364221.297
Area 1.2339392133051E+19

Sphere

Radius = n
Volume 3.2606519909485E+28
Surface area 4.9357568532204E+19
Circumference 12452364221.297

Square

Length = n
Perimeter 7927421276
Area 3927750505448591761
Diagonal 2802766670.7911

Cube

Length = n
Surface area 2.3566503032692E+19
Volume 7.7842332309282E+27
Space diagonal 3432674105.7586

Equilateral Triangle

Length = n
Perimeter 5945565957
Area 1.7007658587228E+18
Altitude 1716337052.8793

Triangular Pyramid

Length = n
Surface area 1.7007658587228E+18
Volume 9.1738068398784E+26
Height 934255556.93035