642000391 (number)

642000391 is an odd 9-digits prime number following 642000390 and preceding 642000392. In scientific notation, it is written as 6.42000391 × 10^8. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 642000390 positive integers (up to 642000391) that are relatively prime to 642000391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42000391 × 10^8
Engineering notation 6.42000391 × 10^6

Prime Factorization of 642000391

Prime Factorization 642000391

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 642000391
Product of the distinct prime numbers

The prime factorization of 642000391 is 642000391. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 4, 40, 10, 255, 331, 1617, 9856, 42134, 50160, 619015, 420950, 8513555, 2027084, 90902751, 31822995, 42519158, 98509686, 1766534289, 9234584050

Basic calculations (n = 642000391)

Multiplication

n×y
n×2 1284000782
n×3 1926001173
n×4 2568001564
n×5 3210001955

Division

n÷y
n÷2 321000195.5
n÷3 214000130.33333
n÷3 160500097.75
n÷5 128400078.2

Exponentiation

ny
n2 412164502044152881
n3 2.6460977146867E+26
n4 1.698795767453E+35
n5 1.090627546934E+44

Nth Root

y√n
2√n 25337.726634408
3√n 862.67079880109
4√n 159.17828568749
5√n 57.744025767528

Divisors of 642000391

1, 642000391

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 642000392
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 321000196
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25337.726654142
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968847
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642000391 can be divided by 2 positive divisors. The sum of these divisors (counting 642000391) is 642000392, the average is 321000196.

Base conversion 642000391

Base System Value
2 Binary 100110010001000010011000000111
3 Ternary 1122202000222222021
4 Quaternary 212101002120013
5 Quinary 2303323003031
6 Senary 143412144011
8 Octal 4621023007
10 Decimal 642000391
12 Duodecimal 15b008007
16 Hexadecimal 26442607
20 Vigesimal a0ca0jb
36 Base36 am8ao7

Cryptographic Hash Functions

md5 aee38dd86561323cf8a35180555fa738
sha1 9b7898bd8c582800c2d706aa036567aff40abefe
sha256 53f9fffe024529fa45fd92d756f2bec09e028a6fef3701913b5e0fc72da5a4e4
sha512 8fcbfbbd1d382d26883104c914b528b978ade28614d1865add55127eaa04b2a83c952590728e012169d64e82fd36fe927c538e4a0ca09f778657b85818dac817
ripemd-160 c8e78262430e844c636ff45f1443b561088518cb

642000391 as geometric shapes

Circle

Radius = n
Diameter 1284000782
Circumference 4033807423.9347
Area 1.2948529716924E+18

Sphere

Radius = n
Volume 1.1083948188187E+27
Surface area 5.1794118867696E+18
Circumference 4033807423.9347

Square

Length = n
Perimeter 2568001564
Area 412164502044152881
Diagonal 907925660.00103

Cube

Length = n
Surface area 2472987012264917286
Volume 2.6460977146867E+26
Space diagonal 1111977295.6911

Equilateral Triangle

Length = n
Perimeter 1926001173
Area 1.784724646542E+17
Altitude 555988647.84554

Triangular Pyramid

Length = n
Surface area 1.784724646542E+17
Volume 3.1184560628953E+25
Height 302641886.66701