642878889 (number)

642878889 is an odd 9-digits composite number following 642878888 and preceding 642878890. In scientific notation, it is written as 6.42878889 × 10^8. The sum of its digits is 60. It has a total of 3 prime factors and 8 positive divisors. There are 405498960 positive integers (up to 642878889) that are relatively prime to 642878889.

Interesting facts

Basic properties

Name

Name six hundred forty-two million eight hundred seventy-eight thousand eight hundred eighty-nine

Notation

Scientific notation 6.42878889 × 10^8
Engineering notation 6.42878889 × 10^6

Prime Factorization of 642878889

Prime Factorization 57 × 811 × 13907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642878889
Product of the distinct prime numbers

The prime factorization of 642878889 is 57 × 811 × 13907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 7, 60, 466, 398, 9794, 4247, 18402, 42946, 743466, 648161, 5839137, 3485278, 1996561, 85114342, 602308940, 91208514, 3194495324, 1194110106

Basic calculations (n = 642878889)

Multiplication

n×y
n×2 1285757778
n×3 1928636667
n×4 2571515556
n×5 3214394445

Division

n÷y
n÷2 321439444.5
n÷3 214292963
n÷3 160719722.25
n÷5 128575777.8

Exponentiation

ny
n2 413293265921874321
n3 2.6569751562704E+26
n4 1.7081132365637E+35
n5 1.0981099398083E+44

Nth Root

y√n
2√n 25355.056477949
3√n 863.06410549678
4√n 159.23271170821
5√n 57.759820233898

Divisors of 642878889

1, 57, 811, 13907, 46227, 792699, 11278577, 642878889

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642878888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642878889 can be divided by 8 positive divisors. The sum of these divisors (counting 642878889) is 1, the average is 0.125.

Base conversion 642878889

Base System Value
2 Binary 100110010100011000110110101001
3 Ternary 1122210200122001020
4 Quaternary 212110120312221
5 Quinary 2304034111024
6 Senary 143443043053
8 Octal 4624306651
10 Decimal 642878889
12 Duodecimal 15b370489
16 Hexadecimal 26518da9
20 Vigesimal a0hjh49
36 Base36 amr4ix

Cryptographic Hash Functions

md5 5f0865a35e9456f1187c28a6ace68561
sha1 60fe94e67299169468daacafcf8c75c4a737f4fa
sha256 a8d0c575d338a2e80295b8d82dfc97675c52084d9ef15d5c917d6d4d264d2776
sha512 23cef650a445f0386637222d8ac73afd10d526f7e6f177bcf2cc0f440f9b60c45014a5355eb0671f9806b298ed32015f3aaca6cceb1fb29bb1462cc2f1b73d70
ripemd-160 7601d21791e5f8f88047909b18fe757355f236b3

642878889 as geometric shapes

Circle

Radius = n
Diameter 1285757778
Circumference 4039327189.6607
Area 1.2983990879983E+18

Sphere

Radius = n
Volume 1.1129511508946E+27
Surface area 5.1935963519932E+18
Circumference 4039327189.6607

Square

Length = n
Perimeter 2571515556
Area 413293265921874321
Diagonal 909168043.78715

Cube

Length = n
Surface area 2479759595531245926
Volume 2.6569751562704E+26
Space diagonal 1113498898.8614

Equilateral Triangle

Length = n
Perimeter 1928636667
Area 1.7896123375069E+17
Altitude 556749449.43072

Triangular Pyramid

Length = n
Surface area 1.7896123375069E+17
Volume 3.1312752507383E+25
Height 303056014.59572