664491388 (number)

664491388 is an even 9-digits composite number following 664491387 and preceding 664491389. In scientific notation, it is written as 6.64491388 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 302041520 positive integers (up to 664491388) that are relatively prime to 664491388.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million four hundred ninety-one thousand three hundred eighty-eight

Notation

Scientific notation 6.64491388 × 10^8
Engineering notation 6.64491388 × 10^6

Prime Factorization of 664491388

Prime Factorization 2 × 2 × 11 × 15102077

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 332245694
Product of the distinct prime numbers

The prime factorization of 664491388 is 2 × 2 × 11 × 15102077. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664491388)

Multiplication

n×y
n×2 1328982776
n×3 1993474164
n×4 2657965552
n×5 3322456940

Division

n÷y
n÷2 332245694
n÷3 221497129.33333
n÷3 166122847
n÷5 132898277.6

Exponentiation

ny
n2 441548804726166544
n3 2.9340537812223E+26
n4 1.9496534695511E+35
n5 1.295527940101E+44

Nth Root

y√n
2√n 25777.730466432
3√n 872.62928897449
4√n 160.55444704658
5√n 58.143058247449

Divisors of 664491388

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -664491387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 664491388 can be divided by 12 positive divisors. The sum of these divisors (counting 664491388) is 1, the average is 0.083333333333333.

Base conversion 664491388

Base System Value
2 Binary 100111100110110101010101111100
3 Ternary 1201022100122211011
4 Quaternary 213212311111330
5 Quinary 2330102211023
6 Senary 145534205004
8 Octal 4746652574
10 Decimal 664491388
12 Duodecimal 166653764
16 Hexadecimal 279b557c
20 Vigesimal a7d1898
36 Base36 azmcu4

Cryptographic Hash Functions

md5 d50acd30a0b2b16c45a27d2fda05b5e7
sha1 1a581187de229b4dcc94b88c07edec24790be0be
sha256 dd8bc1adbcbd005915cc2b33e5ec25cfe731e239176881b2559380d4307e326d
sha512 581858eab65d956fff5284d149bb574f6f84550150a992c2a8d634175010b4e17041cfd843b99ae63d42f27088f53882065fb21a02d38dd464c8dfc91f8213ee
ripemd-160 6773ffc140e62bb8eed0a3c16af1f5dbf4f06657

664491388 as geometric shapes

Circle

Radius = n
Diameter 1328982776
Circumference 4175122525.829
Area 1.3871664811291E+18

Sphere

Radius = n
Volume 1.22901357391E+27
Surface area 5.5486659245163E+18
Circumference 4175122525.829

Square

Length = n
Perimeter 2657965552
Area 441548804726166544
Diagonal 939732732.98972

Cube

Length = n
Surface area 2649292828356999264
Volume 2.9340537812223E+26
Space diagonal 1150932845.208

Equilateral Triangle

Length = n
Perimeter 1993474164
Area 1.9119624095176E+17
Altitude 575466422.60398

Triangular Pyramid

Length = n
Surface area 1.9119624095176E+17
Volume 3.4578155417805E+25
Height 313244244.32991