642000643 (number)

642000643 is an odd 9-digits composite number following 642000642 and preceding 642000644. In scientific notation, it is written as 6.42000643 × 10^8. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 641949280 positive integers (up to 642000643) that are relatively prime to 642000643.

Interesting facts

Basic properties

Name

Name six hundred forty-two million six hundred forty-three

Notation

Scientific notation 6.42000643 × 10^8
Engineering notation 6.42000643 × 10^6

Prime Factorization of 642000643

Prime Factorization 21491 × 29873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642000643
Product of the distinct prime numbers

The prime factorization of 642000643 is 21491 × 29873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 642000643)

Multiplication

n×y
n×2 1284001286
n×3 1926001929
n×4 2568002572
n×5 3210003215

Division

n÷y
n÷2 321000321.5
n÷3 214000214.33333
n÷3 160500160.75
n÷5 128400128.6

Exponentiation

ny
n2 412164825612413449
n3 2.6461008306515E+26
n4 1.6987984347211E+35
n5 1.0906296874183E+44

Nth Root

y√n
2√n 25337.73160723
3√n 862.67091167382
4√n 159.17830130778
5√n 57.744030300701

Divisors of 642000643

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 -642000642
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 642000643 can be divided by 4 positive divisors. The sum of these divisors (counting 642000643) is 1, the average is 0.25.

Base conversion 642000643

Base System Value
2 Binary 100110010001000010011100000011
3 Ternary 1122202001000022121
4 Quaternary 212101002130003
5 Quinary 2303323010033
6 Senary 143412145111
8 Octal 4621023403
10 Decimal 642000643
12 Duodecimal 15b008197
16 Hexadecimal 26442703
20 Vigesimal a0ca1c3
36 Base36 am8av7

Cryptographic Hash Functions

md5 c4432a56433f149786bcd277fe7cd27b
sha1 1457577f4153b99c788e3b10895e8cf9b672e751
sha256 8af0a2f161b9163ffd82deabef78d7d2b5609812a64fab5c8a8a119daa68ad52
sha512 2a399f9eaef25100d6998eae8bf0b5a3fe25741ef79a9b369d09ce2f0235870289c0794d5cfe93acdf72a36b3d2e4d2e8235b363bff404dba0ff993c154281e6
ripemd-160 ad869b12f8be7dd4a6e5c46cf770c3d7fc232a53

642000643 as geometric shapes

Circle

Radius = n
Diameter 1284001286
Circumference 4033809007.2974
Area 1.2948539882121E+18

Sphere

Radius = n
Volume 1.108396124031E+27
Surface area 5.1794159528483E+18
Circumference 4033809007.2974

Square

Length = n
Perimeter 2568002572
Area 412164825612413449
Diagonal 907926016.38285

Cube

Length = n
Surface area 2472988953674480694
Volume 2.6461008306515E+26
Space diagonal 1111977732.1679

Equilateral Triangle

Length = n
Perimeter 1926001929
Area 1.7847260476337E+17
Altitude 555988866.08394

Triangular Pyramid

Length = n
Surface area 1.7847260476337E+17
Volume 3.1184597350951E+25
Height 302642005.46095