391889968 (number)

391889968 is an even 9-digits composite number following 391889967 and preceding 391889969. In scientific notation, it is written as 3.91889968 × 10^8. The sum of its digits is 61. It has a total of 6 prime factors and 20 positive divisors. There are 193019904 positive integers (up to 391889968) that are relatively prime to 391889968.

Interesting facts

Basic properties

Name

Name three hundred ninety-one million eight hundred eighty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 3.91889968 × 10^8
Engineering notation 3.91889968 × 10^6

Prime Factorization of 391889968

Prime Factorization 2 × 2 × 2 × 2 × 67 × 365569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 48986246
Product of the distinct prime numbers

The prime factorization of 391889968 is 2 × 2 × 2 × 2 × 67 × 365569. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 8, 80, 88, 367, 204, 1711, 3527, 90632, 99308, 482650, 366, 2855911, 2440640, 69153410, 14398536, 285858574, 420738749, 5116297201, 9087664487

Basic calculations (n = 391889968)

Multiplication

n×y
n×2 783779936
n×3 1175669904
n×4 1567559872
n×5 1959449840

Division

n÷y
n÷2 195944984
n÷3 130629989.33333
n÷3 97972492
n÷5 78377993.6

Exponentiation

ny
n2 153577747019041024
n3 6.0185578364804E+25
n4 2.3586124379445E+34
n5 9.2431655283045E+42

Nth Root

y√n
2√n 19796.210950583
3√n 731.79265928271
4√n 140.69900834968
5√n 52.315794988026

Divisors of 391889968

1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 365569, 731138, 1462276, 2924552, 5849104, 24493123, 48986246, 97972492, 195944984, 391889968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -391889967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 391889968 can be divided by 20 positive divisors. The sum of these divisors (counting 391889968) is 1, the average is 0.05.

Base conversion 391889968

Base System Value
2 Binary 10111010110111100010000110000
3 Ternary 1000022102001222021
4 Quaternary 113112330100300
5 Quinary 1300310434333
6 Senary 102515321224
8 Octal 2726742060
10 Decimal 391889968
12 Duodecimal ab2b0214
16 Hexadecimal 175bc430
20 Vigesimal 62964i8
36 Base36 6hbk8g

Cryptographic Hash Functions

md5 b008073865fc6c04e7dc7e5abb48c385
sha1 4a3b8c4c442f9d68ed5a465e139df7a338d48a2a
sha256 05e02a9c255f6e89943a0b44d19a068d8f046c631b84c2443c7cc85a665782cc
sha512 7de9f73b311dd58d29fed96e97f61af92e282fe53f00ea0ff1178001ae37d1769d10979a3755299e752172b9a9e1a43417b52b2c1c1682e2b8ab6a274f3b9adf
ripemd-160 e896a17ede075f4fff33b81f2d20b97f88e39094

391889968 as geometric shapes

Circle

Radius = n
Diameter 783779936
Circumference 2462317288.9687
Area 4.8247872178989E+17

Sphere

Radius = n
Volume 2.521047611239E+26
Surface area 1.9299148871596E+18
Circumference 2462317288.9687

Square

Length = n
Perimeter 1567559872
Area 153577747019041024
Diagonal 554216107.70356

Cube

Length = n
Surface area 921466482114246144
Volume 6.0185578364804E+25
Space diagonal 678773335.55254

Equilateral Triangle

Length = n
Perimeter 1175669904
Area 6.6501115187235E+16
Altitude 339386667.77627

Triangular Pyramid

Length = n
Surface area 6.6501115187235E+16
Volume 7.0929384318979E+24
Height 184738702.56785