642000389 (number)

642000389 is an odd 9-digits composite number following 642000388 and preceding 642000390. In scientific notation, it is written as 6.42000389 × 10^8. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 632499280 positive integers (up to 642000389) that are relatively prime to 642000389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000389 × 10^8
Engineering notation 6.42000389 × 10^6

Prime Factorization of 642000389

Prime Factorization 71 × 4583 × 1973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642000389
Product of the distinct prime numbers

The prime factorization of 642000389 is 71 × 4583 × 1973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 31, 57, 397, 396, 8586, 6266, 78170, 4249, 885594, 958826, 269022, 2975528, 76028561, 13260139, 824392890, 124955670, 2498326743, 6983706602

Basic calculations (n = 642000389)

Multiplication

n×y
n×2 1284000778
n×3 1926001167
n×4 2568001556
n×5 3210001945

Division

n÷y
n÷2 321000194.5
n÷3 214000129.66667
n÷3 160500097.25
n÷5 128400077.8

Exponentiation

ny
n2 412164499476151321
n3 2.6460976899568E+26
n4 1.6987957462843E+35
n5 1.090627529946E+44

Nth Root

y√n
2√n 25337.726594941
3√n 862.67079790527
4√n 159.17828556352
5√n 57.744025731551

Divisors of 642000389

1, 71, 1973, 4583, 140083, 325393, 9042259, 642000389

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 -642000388
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 642000389 can be divided by 8 positive divisors. The sum of these divisors (counting 642000389) is 1, the average is 0.125.

Base conversion 642000389

Base System Value
2 Binary 100110010001000010011000000101
3 Ternary 1122202000222222012
4 Quaternary 212101002120011
5 Quinary 2303323003024
6 Senary 143412144005
8 Octal 4621023005
10 Decimal 642000389
12 Duodecimal 15b008005
16 Hexadecimal 26442605
20 Vigesimal a0ca0j9
36 Base36 am8ao5

Cryptographic Hash Functions

md5 64bad04434d9db70ae6a4e42f8bb62a6
sha1 98dc0b2af5955ef99ea2e5fd6f3b79fc972d6c4a
sha256 00a37a8d93b931a737dd25b50b5a6a2d03144a0ff067c5d0d7d16713a4666e20
sha512 42cca47642fbbd8b9537624980243cb8d25825322af70f0a6016d30378995f99865cb0110621f92b6ede5982370fe7f1fe2873964e62b50c460a6874610b61c9
ripemd-160 7d8925ed9cedc1f0f420070bb19fec6b8dbb4905

642000389 as geometric shapes

Circle

Radius = n
Diameter 1284000778
Circumference 4033807411.3684
Area 1.2948529636248E+18

Sphere

Radius = n
Volume 1.1083948084599E+27
Surface area 5.1794118544992E+18
Circumference 4033807411.3684

Square

Length = n
Perimeter 2568001556
Area 412164499476151321
Diagonal 907925657.1726

Cube

Length = n
Surface area 2472986996856907926
Volume 2.6460976899568E+26
Space diagonal 1111977292.227

Equilateral Triangle

Length = n
Perimeter 1926001167
Area 1.7847246354222E+17
Altitude 555988646.11349

Triangular Pyramid

Length = n
Surface area 1.7847246354222E+17
Volume 3.1184560337508E+25
Height 302641885.7242