1981129718 (number)

1981129718 is an even 10-digits composite number following 1981129717 and preceding 1981129719. In scientific notation, it is written as 1.981129718 × 10^9. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 962953056 positive integers (up to 1981129718) that are relatively prime to 1981129718.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-one million one hundred twenty-nine thousand seven hundred eighteen

Notation

Scientific notation 1.981129718 × 10^9
Engineering notation 1.981129718 × 10^9

Prime Factorization of 1981129718

Prime Factorization 2 × 53 × 109 × 171467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1981129718
Product of the distinct prime numbers

The prime factorization of 1981129718 is 2 × 53 × 109 × 171467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981129718)

Multiplication

n×y
n×2 3962259436
n×3 5943389154
n×4 7924518872
n×5 9905648590

Division

n÷y
n÷2 990564859
n÷3 660376572.66667
n÷3 495282429.5
n÷5 396225943.6

Exponentiation

ny
n2 3924874959542759524
n3 7.7756864217842E+27
n4 1.5404643448046E+37
n5 3.0518596930117E+46

Nth Root

y√n
2√n 44509.88337437
3√n 1255.9460109557
4√n 210.97365564063
5√n 72.340679289815

Divisors of 1981129718

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981129717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981129718 can be divided by 16 positive divisors. The sum of these divisors (counting 1981129718) is 1, the average is 0.0625.

Base conversion 1981129718

Base System Value
2 Binary 1110110000101011010001111110110
3 Ternary 12010001211211001202
4 Quaternary 1312011122033312
5 Quinary 13024132122333
6 Senary 524330252502
8 Octal 16605321766
10 Decimal 1981129718
12 Duodecimal 473587132
16 Hexadecimal 7615a3f6
20 Vigesimal 1aj2145i
36 Base36 wrihh2

Cryptographic Hash Functions

md5 0f0b334f5e1ded62844f4a9c0ef0f2d4
sha1 0468d8ba305623d39d88ab3f4dcfcbcb4940c706
sha256 9e3c07aaf428011423ee6614775a5f1f126f86391fd18f284bc2ce8288c840e5
sha512 a5f910bae7e5c4e8198b460152760bd7bfa4beb4c09c9d614dbe1502eaa42d5de8949129a28150d5fa31a7e419ba43365ec416b56d0272425c0c772689abcf77
ripemd-160 edb23905e88f3e881cf25e54fa1b3be277b20ba4

1981129718 as geometric shapes

Circle

Radius = n
Diameter 3962259436
Circumference 12447805135.754
Area 1.2330358339158E+19

Sphere

Radius = n
Volume 3.257071911906E+28
Surface area 4.9321433356632E+19
Circumference 12447805135.754

Square

Length = n
Perimeter 7924518872
Area 3924874959542759524
Diagonal 2801740516.016

Cube

Length = n
Surface area 2.3549249757257E+19
Volume 7.7756864217842E+27
Space diagonal 3431417327.9606

Equilateral Triangle

Length = n
Perimeter 5943389154
Area 1.6995207108207E+18
Altitude 1715708663.9803

Triangular Pyramid

Length = n
Surface area 1.6995207108207E+18
Volume 9.1637343287063E+26
Height 933913505.33866