1938698721 (number)

1938698721 is an odd 10-digits composite number following 1938698720 and preceding 1938698722. In scientific notation, it is written as 1.938698721 × 10^9. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 1286770776 positive integers (up to 1938698721) that are relatively prime to 1938698721.

Interesting facts

Basic properties

Name

Name one billion nine hundred thirty-eight million six hundred ninety-eight thousand seven hundred twenty-one

Notation

Scientific notation 1.938698721 × 10^9
Engineering notation 1.938698721 × 10^9

Prime Factorization of 1938698721

Prime Factorization 3 × 3 × 227 × 948947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 646232907
Product of the distinct prime numbers

The prime factorization of 1938698721 is 3 × 3 × 227 × 948947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1938698721)

Multiplication

n×y
n×2 3877397442
n×3 5816096163
n×4 7754794884
n×5 9693493605

Division

n÷y
n÷2 969349360.5
n÷3 646232907
n÷3 484674680.25
n÷5 387739744.2

Exponentiation

ny
n2 3758552730807035841
n3 7.2867013720267E+27
n4 1.4126718630257E+37
n5 2.7387451340406E+46

Nth Root

y√n
2√n 44030.656604234
3√n 1246.9147852381
4√n 209.83483172303
5√n 72.028117564954

Divisors of 1938698721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1938698720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1938698721 can be divided by 12 positive divisors. The sum of these divisors (counting 1938698721) is 1, the average is 0.083333333333333.

Base conversion 1938698721

Base System Value
2 Binary 1110011100011100011000111100001
3 Ternary 12000010000002200100
4 Quaternary 1303203203013201
5 Quinary 12432301324341
6 Senary 520213013013
8 Octal 16343430741
10 Decimal 1938698721
12 Duodecimal 461324169
16 Hexadecimal 738e31e1
20 Vigesimal 1a5gh6g1
36 Base36 w291i9

Cryptographic Hash Functions

md5 728b6912e1ce45629add66b43fde26c3
sha1 636823c109624ad8f8c327fe94dae066a82dcff6
sha256 f2b9c073b91ec2d0af3a5c57482b929d6a9e2f2a6e3f7a60ee162ae85fb573fe
sha512 d83dd2c69fd5e4ff6a673a7d0de578f5c14aae80659d94abcd9080c4f8519471c65c3bff92a6767313f2ec6f8a9d13a85f66481fd4c3585cf3625c88523f5e27
ripemd-160 10832adceb0ea198119019ddecc270b4e21ab8e9

1938698721 as geometric shapes

Circle

Radius = n
Diameter 3877397442
Circumference 12181203318.835
Area 1.1807841647233E+19

Sphere

Radius = n
Volume 3.0522463332349E+28
Surface area 4.7231366588933E+19
Circumference 12181203318.835

Square

Length = n
Perimeter 7754794884
Area 3758552730807035841
Diagonal 2741734024.5936

Cube

Length = n
Surface area 2.2551316384842E+19
Volume 7.2867013720267E+27
Space diagonal 3357924685.3408

Equilateral Triangle

Length = n
Perimeter 5816096163
Area 1.6275010731711E+18
Altitude 1678962342.6704

Triangular Pyramid

Length = n
Surface area 1.6275010731711E+18
Volume 8.587459921069E+26
Height 913911341.53119