642000387 (number)

642000387 is an odd 9-digits composite number following 642000386 and preceding 642000388. In scientific notation, it is written as 6.42000387 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 366857352 positive integers (up to 642000387) that are relatively prime to 642000387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000387 × 10^8
Engineering notation 6.42000387 × 10^6

Prime Factorization of 642000387

Prime Factorization 3 × 7 × 30571447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642000387
Product of the distinct prime numbers

The prime factorization of 642000387 is 3 × 7 × 30571447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 7, 64, 576, 379, 2368, 2425, 70476, 94271, 721427, 867403, 1045285, 7211524, 86986939, 33686765, 879269803, 845603299, 1034847074, 7849946343

Basic calculations (n = 642000387)

Multiplication

n×y
n×2 1284000774
n×3 1926001161
n×4 2568001548
n×5 3210001935

Division

n÷y
n÷2 321000193.5
n÷3 214000129
n÷3 160500096.75
n÷5 128400077.4

Exponentiation

ny
n2 412164496908149769
n3 2.6460976652269E+26
n4 1.6987957251155E+35
n5 1.0906275129581E+44

Nth Root

y√n
2√n 25337.726555475
3√n 862.67079700946
4√n 159.17828543955
5√n 57.744025695573

Divisors of 642000387

1, 3, 7, 21, 30571447, 91714341, 214000129, 642000387

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 -642000386
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 642000387 can be divided by 8 positive divisors. The sum of these divisors (counting 642000387) is 1, the average is 0.125.

Base conversion 642000387

Base System Value
2 Binary 100110010001000010011000000011
3 Ternary 1122202000222222010
4 Quaternary 212101002120003
5 Quinary 2303323003022
6 Senary 143412144003
8 Octal 4621023003
10 Decimal 642000387
12 Duodecimal 15b008003
16 Hexadecimal 26442603
20 Vigesimal a0ca0j7
36 Base36 am8ao3

Cryptographic Hash Functions

md5 8d4ec4e6cfdfffbbfeb9221847c01288
sha1 72f3b3c98d3829c7e85a0420dd6f1d626e31e0c3
sha256 738a3c73d78e243f6dd6c5efe8498e9aea270b92ea15759dc8ae3fdfd16dc8bf
sha512 7b5d9185428eec30752a26b97076bb519c2673f72b59ab2dd4afca7c30619e959f2001e204e455359859e6bea1f6256f69bd60941856cc54d84a9334274a631e
ripemd-160 04aafdf9676002d2f19f0cd44247ffc4aa457d94

642000387 as geometric shapes

Circle

Radius = n
Diameter 1284000774
Circumference 4033807398.802
Area 1.2948529555572E+18

Sphere

Radius = n
Volume 1.1083947981011E+27
Surface area 5.1794118222287E+18
Circumference 4033807398.802

Square

Length = n
Perimeter 2568001548
Area 412164496908149769
Diagonal 907925654.34418

Cube

Length = n
Surface area 2472986981448898614
Volume 2.6460976652269E+26
Space diagonal 1111977288.7629

Equilateral Triangle

Length = n
Perimeter 1926001161
Area 1.7847246243025E+17
Altitude 555988644.38144

Triangular Pyramid

Length = n
Surface area 1.7847246243025E+17
Volume 3.1184560046064E+25
Height 302641884.78139