642912109 (number)

642912109 is an odd 9-digits composite number following 642912108 and preceding 642912110. In scientific notation, it is written as 6.42912109 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 551067516 positive integers (up to 642912109) that are relatively prime to 642912109.

Interesting facts

Basic properties

Name

Name six hundred forty-two million nine hundred twelve thousand one hundred nine

Notation

Scientific notation 6.42912109 × 10^8
Engineering notation 6.42912109 × 10^6

Prime Factorization of 642912109

Prime Factorization 7 × 91844587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642912109
Product of the distinct prime numbers

The prime factorization of 642912109 is 7 × 91844587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 12, 52, 752, 30, 6413, 1658, 42220, 18166, 149144, 593625, 870106, 8431634, 43841911, 84951956, 931411610, 860147118, 7508028028, 74809004

Basic calculations (n = 642912109)

Multiplication

n×y
n×2 1285824218
n×3 1928736327
n×4 2571648436
n×5 3214560545

Division

n÷y
n÷2 321456054.5
n÷3 214304036.33333
n÷3 160728027.25
n÷5 128582421.8

Exponentiation

ny
n2 413335979898827881
n3 2.6573870656234E+26
n4 1.7084663227892E+35
n5 1.0983936867399E+44

Nth Root

y√n
2√n 25355.711565641
3√n 863.0789711769
4√n 159.23476870847
5√n 57.760417155527

Divisors of 642912109

1, 7, 91844587, 642912109

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 -642912108
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 642912109 can be divided by 4 positive divisors. The sum of these divisors (counting 642912109) is 1, the average is 0.25.

Base conversion 642912109

Base System Value
2 Binary 100110010100100000111101101101
3 Ternary 1122210202022121121
4 Quaternary 212110200331231
5 Quinary 2304041141414
6 Senary 143443500541
8 Octal 4624407555
10 Decimal 642912109
12 Duodecimal 15b387751
16 Hexadecimal 26520f6d
20 Vigesimal a0i4059
36 Base36 amru5p

Cryptographic Hash Functions

md5 3aacc3262c6381868f93b774e09571a0
sha1 08e195ea9300f878836858855edff4bd24e856dd
sha256 7262e27b9732ab1ff8d747486d49889c403ee1eb2df6bebb99e7a15a8970bbe8
sha512 eb7a7f2c06affeb8c733dee1a1b94aecf7a089ba404ccd8eef9bbc06ab1ad8409c276e8d488c80e68d70fc9f2d8f3b518d2026076f36f8e1b1a05577ee0ec347
ripemd-160 3fc4ee701f04d868c428c07733ae78d9fd4f22a2

642912109 as geometric shapes

Circle

Radius = n
Diameter 1285824218
Circumference 4039535917.0766
Area 1.2985332779145E+18

Sphere

Radius = n
Volume 1.1131236910809E+27
Surface area 5.194133111658E+18
Circumference 4039535917.0766

Square

Length = n
Perimeter 2571648436
Area 413335979898827881
Diagonal 909215023.96169

Cube

Length = n
Surface area 2480015879392967286
Volume 2.6573870656234E+26
Space diagonal 1113556437.5893

Equilateral Triangle

Length = n
Perimeter 1928736327
Area 1.7897972944526E+17
Altitude 556778218.79463

Triangular Pyramid

Length = n
Surface area 1.7897972944526E+17
Volume 3.1317606905662E+25
Height 303071674.6539