393944487 (number)

393944487 is an odd 9-digits composite number following 393944486 and preceding 393944488. In scientific notation, it is written as 3.93944487 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 260739960 positive integers (up to 393944487) that are relatively prime to 393944487.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million nine hundred forty-four thousand four hundred eighty-seven

Notation

Scientific notation 3.93944487 × 10^8
Engineering notation 3.93944487 × 10^6

Prime Factorization of 393944487

Prime Factorization 3 × 139 × 944711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 393944487
Product of the distinct prime numbers

The prime factorization of 393944487 is 3 × 139 × 944711. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 70, 28, 725, 496, 3859, 477, 559, 14522, 916605, 288509, 5220083, 7023179, 65360295, 23418000, 224967103, 437560656, 7294375075, 4034621169

Basic calculations (n = 393944487)

Multiplication

n×y
n×2 787888974
n×3 1181833461
n×4 1575777948
n×5 1969722435

Division

n÷y
n÷2 196972243.5
n÷3 131314829
n÷3 98486121.75
n÷5 78788897.4

Exponentiation

ny
n2 155192258837693169
n3 6.1137134794186E+25
n4 2.4084637203146E+34
n5 9.4880100475743E+42

Nth Root

y√n
2√n 19848.034839752
3√n 733.06926095694
4√n 140.88305377068
5√n 52.370534385571

Divisors of 393944487

1, 3, 139, 417, 944711, 2834133, 131314829, 393944487

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 -393944486
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 393944487 can be divided by 8 positive divisors. The sum of these divisors (counting 393944487) is 1, the average is 0.125.

Base conversion 393944487

Base System Value
2 Binary 10111011110110001110110100111
3 Ternary 1000110021110020120
4 Quaternary 113132301312213
5 Quinary 1301322210422
6 Senary 103031333023
8 Octal 2736616647
10 Decimal 393944487
12 Duodecimal abb21173
16 Hexadecimal 177b1da7
20 Vigesimal 6323147
36 Base36 6ijlif

Cryptographic Hash Functions

md5 2b21ae6908f271bed41241c643e256f6
sha1 c8f3c8634e0b5e9fd28c97a5a969c889b3cf9200
sha256 7614870c4a73e279a2a4887a95b3ae1dc29c292083e72bcb7d7b1fdd2025b9ac
sha512 b298c158f934ae632b86811216f1e633216cdef56615dd73749c28e892a98293ce6724815c4cca13f09ea14bba105401183448db101bfe36d8e6849e0cd849ac
ripemd-160 636a1e6f83faa66a34eff8fb524d07d4412bad13

393944487 as geometric shapes

Circle

Radius = n
Diameter 787888974
Circumference 2475226212.5628
Area 4.875508602585E+17

Sphere

Radius = n
Volume 2.5609063137459E+26
Surface area 1.950203441034E+18
Circumference 2475226212.5628

Square

Length = n
Perimeter 1575777948
Area 155192258837693169
Diagonal 557121636.33751

Cube

Length = n
Surface area 931153553026159014
Volume 6.1137134794186E+25
Space diagonal 682331866.84566

Equilateral Triangle

Length = n
Perimeter 1181833461
Area 6.7200219312066E+16
Altitude 341165933.42283

Triangular Pyramid

Length = n
Surface area 6.7200219312066E+16
Volume 7.2050804325475E+24
Height 185707212.1125