390640 (number)

390640 is an even 6-digits composite number following 390639 and preceding 390641. In scientific notation, it is written as 3.90640 × 10^5. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 147456 positive integers (up to 390640) that are relatively prime to 390640.

Interesting facts

Basic properties

Name

Name three hundred ninety thousand six hundred forty

Notation

Scientific notation 3.90640 × 10^5
Engineering notation 3.90640 × 10^3

Prime Factorization of 390640

Prime Factorization 2 × 2 × 2 × 2 × 5 × 19 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 48830
Product of the distinct prime numbers

The prime factorization of 390640 is 2 × 2 × 2 × 2 × 5 × 19 × 257. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 10, 8, 13, 432, 959, 7728, 5668, 26544, 51452, 399118, 2787, 2764473, 385491, 26278096, 11029941, 441162294, 810283083, 2318042556, 6683027924

Basic calculations (n = 390640)

Multiplication

n×y
n×2 781280
n×3 1171920
n×4 1562560
n×5 1953200

Division

n÷y
n÷2 195320
n÷3 130213.33333333
n÷3 97660
n÷5 78128

Exponentiation

ny
n2 152599609600
n3 59611511494144000
n4 2.3286640850072E+22
n5 9.0966933816723E+27

Nth Root

y√n
2√n 625.0119998848
3√n 73.101379129021
4√n 25.000239996544
5√n 13.132739879137

Divisors of 390640

1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 257, 304, 380, 514, 760, 1028, 1285, 1520, 2056, 2570, 4112, 4883, 5140, 9766, 10280, 19532, 20560, 24415, 39064, 48830, 78128, 97660, 195320, 390640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -390639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 390640 can be divided by 40 positive divisors. The sum of these divisors (counting 390640) is 1, the average is 0.025.

Base conversion 390640

Base System Value
2 Binary 1011111010111110000
3 Ternary 201211212011
4 Quaternary 1133113300
5 Quinary 100000030
6 Senary 12212304
8 Octal 1372760
10 Decimal 390640
12 Duodecimal 16a094
16 Hexadecimal 5f5f0
20 Vigesimal 28gc0
36 Base36 8df4

Cryptographic Hash Functions

md5 f9f7774b3c23040e18d4d2fae27bb9a7
sha1 f168fe89831a3131920f12421b4556bc2769f3ca
sha256 55181ca05d39444b597747c77f4ba7208dc181bb32d269900f624a690d7732c6
sha512 628941e51afaab8b0f0bdb3e605aff5d0122789212c2803fa55cc50240227459e3a71e8997fe293bc77abde96abe11c3f9df9d91e8dfe0220e214952f0acb3d5
ripemd-160 252548c43f4e13be482abd0e1ca2217642df932d

390640 as geometric shapes

Circle

Radius = n
Diameter 781280
Circumference 2454463.5083966
Area 479405812460.03

Sphere

Radius = n
Volume 2.4970011543918E+17
Surface area 1917623249840.1
Circumference 2454463.5083966

Square

Length = n
Perimeter 1562560
Area 152599609600
Diagonal 552448.38600543

Cube

Length = n
Surface area 915597657600
Volume 59611511494144000
Space diagonal 676608.32746871

Equilateral Triangle

Length = n
Perimeter 1171920
Area 66077569260.594
Altitude 338304.16373435

Triangular Pyramid

Length = n
Surface area 66077569260.594
Volume 7.0252840023815E+15
Height 184149.46200181