394448987 (number)

394448987 is an odd 9-digits composite number following 394448986 and preceding 394448988. In scientific notation, it is written as 3.94448987 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 361267200 positive integers (up to 394448987) that are relatively prime to 394448987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.94448987 × 10^8
Engineering notation 3.94448987 × 10^6

Prime Factorization of 394448987

Prime Factorization 41 × 113 × 19 × 4481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 394448987
Product of the distinct prime numbers

The prime factorization of 394448987 is 41 × 113 × 19 × 4481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 394448987)

Multiplication

n×y
n×2 788897974
n×3 1183346961
n×4 1577795948
n×5 1972244935

Division

n÷y
n÷2 197224493.5
n÷3 131482995.66667
n÷3 98612246.75
n÷5 78889797.4

Exponentiation

ny
n2 155590003345326169
n3 6.1372319206891E+25
n4 2.4208249140999E+34
n5 9.5489193507105E+42

Nth Root

y√n
2√n 19860.739840197
3√n 733.38205941156
4√n 140.92813714868
5√n 52.383941051539

Divisors of 394448987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -394448986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 394448987 can be divided by 16 positive divisors. The sum of these divisors (counting 394448987) is 1, the average is 0.0625.

Base conversion 394448987

Base System Value
2 Binary 10111100000101101000001011011
3 Ternary 1000111020002021202
4 Quaternary 113200231001123
5 Quinary 1301434331422
6 Senary 103050224415
8 Octal 2740550133
10 Decimal 394448987
12 Duodecimal b012510b
16 Hexadecimal 1782d05b
20 Vigesimal 6356297
36 Base36 6iuesb

Cryptographic Hash Functions

md5 3fdefd1428f7f6470b1bb45d82cf9f0e
sha1 296820ebb25fc56dfcc821078c01a6af555bc3d0
sha256 b5c4611271f13ea59d1b652825525c9f9db756719a42c1c0bdca1b08db6b4ec2
sha512 da36454a02d6a4aaaccc58e86efca4d076c176737e7bcb6eed52bd7d300cf3e459a683f8a6d230cedc8ed82858d6a7f3d0af4ed3e03f68e9342459e200af2e72
ripemd-160 cb638f1a545f30a84fc82a2292e72f0b59d60168

394448987 as geometric shapes

Circle

Radius = n
Diameter 788897974
Circumference 2478396079.5503
Area 4.8880041148169E+17

Sphere

Radius = n
Volume 2.5707576953885E+26
Surface area 1.9552016459268E+18
Circumference 2478396079.5503

Square

Length = n
Perimeter 1577795948
Area 155590003345326169
Diagonal 557835107.07973

Cube

Length = n
Surface area 933540020071957014
Volume 6.1372319206891E+25
Space diagonal 683205686.47808

Equilateral Triangle

Length = n
Perimeter 1183346961
Area 6.7372447735979E+16
Altitude 341602843.23904

Triangular Pyramid

Length = n
Surface area 6.7372447735979E+16
Volume 7.2327971813896E+24
Height 185945035.69324