16391938 (number)

16391938 is an even 8-digits composite number following 16391937 and preceding 16391939. In scientific notation, it is written as 1.6391938 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 8195968 positive integers (up to 16391938) that are relatively prime to 16391938.

Interesting facts

Basic properties

Name

Name sixteen million three hundred ninety-one thousand nine hundred thirty-eight

Notation

Scientific notation 1.6391938 × 10^7
Engineering notation 1.6391938 × 10^6

Prime Factorization of 16391938

Prime Factorization 2 × 8195969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16391938
Product of the distinct prime numbers

The prime factorization of 16391938 is 2 × 8195969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16391938)

Multiplication

n×y
n×2 32783876
n×3 49175814
n×4 65567752
n×5 81959690

Division

n÷y
n÷2 8195969
n÷3 5463979.3333333
n÷3 4097984.5
n÷5 3278387.6

Exponentiation

ny
n2 268695631395844
n3 4.4044421307115E+21
n4 7.2197342331211E+28
n5 1.183454359258E+36

Nth Root

y√n
2√n 4048.6958394031
3√n 254.02517988745
4√n 63.629363028425
5√n 27.728479818861

Divisors of 16391938

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 -16391937
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 16391938 can be divided by 4 positive divisors. The sum of these divisors (counting 16391938) is 1, the average is 0.25.

Base conversion 16391938

Base System Value
2 Binary 111110100001111100000010
3 Ternary 1010211210111211
4 Quaternary 332201330002
5 Quinary 13144020223
6 Senary 1343200334
8 Octal 76417402
10 Decimal 16391938
12 Duodecimal 55a60aa
16 Hexadecimal fa1f02
20 Vigesimal 528jgi
36 Base36 9rc3m

Cryptographic Hash Functions

md5 bd63eac07a61c9fae27435096bd235b5
sha1 8d98d89a55492681f489451a32473592a753e47e
sha256 2461245a1b166badb02d084def855f2a1a4f4352f9e3d13b0313acfe006facb6
sha512 7268144e73c28a3e09f1b09ecd6ede89b4a3d114a4c2db5e5db3b2451986fd9d2295514288945ad3aefd97fbdce02eb81e9c85bbd34827227dccd512e0bc8fc1
ripemd-160 fabca51d40f594e0e953456c0d35a5518109d650

16391938 as geometric shapes

Circle

Radius = n
Diameter 32783876
Circumference 102993583.9978
Area 8.4413222164485E+14

Sphere

Radius = n
Volume 1.8449284054673E+22
Surface area 3.3765288865794E+15
Circumference 102993583.9978

Square

Length = n
Perimeter 65567752
Area 268695631395844
Diagonal 23181701.033179

Cube

Length = n
Surface area 1612173788375064
Volume 4.4044421307115E+21
Space diagonal 28391669.450519

Equilateral Triangle

Length = n
Perimeter 49175814
Area 1.1634862133735E+14
Altitude 14195834.725259

Triangular Pyramid

Length = n
Surface area 1.1634862133735E+14
Volume 5.1906848299497E+20
Height 7727233.6777263