642730905 (number)

642730905 is an odd 9-digits composite number following 642730904 and preceding 642730906. In scientific notation, it is written as 6.42730905 × 10^8. The sum of its digits is 36. It has a total of 6 prime factors and 48 positive divisors. There are 330652800 positive integers (up to 642730905) that are relatively prime to 642730905.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred thirty thousand nine hundred five

Notation

Scientific notation 6.42730905 × 10^8
Engineering notation 6.42730905 × 10^6

Prime Factorization of 642730905

Prime Factorization 3 × 5 × 3 × 31 × 431 × 1069

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 214243635
Product of the distinct prime numbers

The prime factorization of 642730905 is 3 × 5 × 3 × 31 × 431 × 1069. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 5, 67, 85, 863, 889, 8307, 5452, 60889, 90511, 954685, 499875, 78732, 4577023, 42620071, 84446291, 608687836, 580630699, 4702936131, 2888671662

Basic calculations (n = 642730905)

Multiplication

n×y
n×2 1285461810
n×3 1928192715
n×4 2570923620
n×5 3213654525

Division

n÷y
n÷2 321365452.5
n÷3 214243635
n÷3 160682726.25
n÷5 128546181

Exponentiation

ny
n2 413103016242119025
n3 2.6551407548753E+26
n4 1.7065410202834E+35
n5 1.0968466543864E+44

Nth Root

y√n
2√n 25352.138075515
3√n 862.99787763648
4√n 159.22354749068
5√n 57.757160847655

Divisors of 642730905

1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 431, 465, 1069, 1293, 1395, 2155, 3207, 3879, 5345, 6465, 9621, 13361, 16035, 19395, 33139, 40083, 48105, 66805, 99417, 120249, 165695, 200415, 298251, 460739, 497085, 601245, 1382217, 1491255, 2303695, 4146651, 6911085, 14282909, 20733255, 42848727, 71414545, 128546181, 214243635, 642730905

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642730904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642730905 can be divided by 48 positive divisors. The sum of these divisors (counting 642730905) is 1, the average is 0.020833333333333.

Base conversion 642730905

Base System Value
2 Binary 100110010011110100101110011001
3 Ternary 1122210102010001100
4 Quaternary 212103310232121
5 Quinary 2304014342110
6 Senary 143435542013
8 Octal 4623645631
10 Decimal 642730905
12 Duodecimal 15b2ba909
16 Hexadecimal 264f4b99
20 Vigesimal a0h1755
36 Base36 amnyc9

Cryptographic Hash Functions

md5 d9ddf07028f8f4a884d9f3efab5ab9ad
sha1 168a09f1448c4daecda3529fc86c934957219864
sha256 5b96d82515218133a32b9e5c9515b1922b64cee1114707d5a63396726a3dd0dd
sha512 215a00581b6faa4be97624d0b8a5552c4efed5f2eb1c78e56ebb5c94a8a863ea5f870b9efad36beccbaedecb104c0f6a48edccdbf21b83e4156088c0bfabdbb1
ripemd-160 7db5e6b3f94ebd31a0259bea33bcd2f2ac64ace2

642730905 as geometric shapes

Circle

Radius = n
Diameter 1285461810
Circumference 4038397378.7662
Area 1.297801401002E+18

Sphere

Radius = n
Volume 1.1121827586351E+27
Surface area 5.1912056040081E+18
Circumference 4038397378.7662

Square

Length = n
Perimeter 2570923620
Area 413103016242119025
Diagonal 908958762.80733

Cube

Length = n
Surface area 2478618097452714150
Volume 2.6551407548753E+26
Space diagonal 1113242583.0547

Equilateral Triangle

Length = n
Perimeter 1928192715
Area 1.7887885322283E+17
Altitude 556621291.52736

Triangular Pyramid

Length = n
Surface area 1.7887885322283E+17
Volume 3.1291133879618E+25
Height 302986254.26911