1978889738 (number)

1978889738 is an even 10-digits composite number following 1978889737 and preceding 1978889739. In scientific notation, it is written as 1.978889738 × 10^9. The sum of its digits is 68. It has a total of 4 prime factors and 16 positive divisors. There are 847907136 positive integers (up to 1978889738) that are relatively prime to 1978889738.

Interesting facts

Basic properties

Name

Name one billion nine hundred seventy-eight million eight hundred eighty-nine thousand seven hundred thirty-eight

Notation

Scientific notation 1.978889738 × 10^9
Engineering notation 1.978889738 × 10^9

Prime Factorization of 1978889738

Prime Factorization 2 × 7 × 5443 × 25969

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1978889738
Product of the distinct prime numbers

The prime factorization of 1978889738 is 2 × 7 × 5443 × 25969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 41, 87, 457, 785, 3432, 6008, 1670, 36313, 7166, 166646, 1198078, 1543768, 72637989, 4112566, 901556383, 155232058, 7142663921, 4252325327

Basic calculations (n = 1978889738)

Multiplication

n×y
n×2 3957779476
n×3 5936669214
n×4 7915558952
n×5 9894448690

Division

n÷y
n÷2 989444869
n÷3 659629912.66667
n÷3 494722434.5
n÷5 395777947.6

Exponentiation

ny
n2 3916004595161708644
n3 7.7493413073263E+27
n4 1.5335091989328E+37
n5 3.0346456168966E+46

Nth Root

y√n
2√n 44484.713531729
3√n 1255.4724840117
4√n 210.9139955805
5√n 72.324313374089

Divisors of 1978889738

1, 2, 7, 14, 5443, 10886, 25969, 38101, 51938, 76202, 181783, 363566, 141349267, 282698534, 989444869, 1978889738

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 -1978889737
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 1978889738 can be divided by 16 positive divisors. The sum of these divisors (counting 1978889738) is 1, the average is 0.0625.

Base conversion 1978889738

Base System Value
2 Binary 1110101111100110111011000001010
3 Ternary 12002220122000101112
4 Quaternary 1311330313120022
5 Quinary 13023043432423
6 Senary 524210250322
8 Octal 16574673012
10 Decimal 1978889738
12 Duodecimal 4728869a2
16 Hexadecimal 75f3760a
20 Vigesimal 1ai8146i
36 Base36 wq6h3e

Cryptographic Hash Functions

md5 b906c62343667657cf581f410f8b4bf2
sha1 dbb6b4a90399babe755121efd06cdcb3b96aab12
sha256 a100cd37cdc36b84dc11beab02edb4ce0391cce13a5a1075cfb0c1f67884c3d6
sha512 868ffbfc40fc44806d7f4dd0903b18168f702535938e83df54af634b9850b24088c2af78286fcb7ef64571653ffdeb5a3ffd7dc24471bde50d6f30b013291f31
ripemd-160 a519760246854bd402d82f78d4eace0c33e4ac2b

1978889738 as geometric shapes

Circle

Radius = n
Diameter 3957779476
Circumference 12433730926.33
Area 1.2302491267584E+19

Sphere

Radius = n
Volume 3.2460364961675E+28
Surface area 4.9209965070336E+19
Circumference 12433730926.33

Square

Length = n
Perimeter 7915558952
Area 3916004595161708644
Diagonal 2798572705.9205

Cube

Length = n
Surface area 2.349602757097E+19
Volume 7.7493413073263E+27
Space diagonal 3427537568.7927

Equilateral Triangle

Length = n
Perimeter 5936669214
Area 1.6956797303733E+18
Altitude 1713768784.3963

Triangular Pyramid

Length = n
Surface area 1.6956797303733E+18
Volume 9.1326863135658E+26
Height 932857568.64018