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.
664491388 has 12 divisors, whose sum is 1268574552
The reverse of 664491388 is 883194466
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred sixty-four million four hundred ninety-one thousand three hundred eighty-eight
Scientific notation
6.64491388 × 10^8
Engineering notation
6.64491388 × 10^6
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.
6 , 8 , 93 , 2 , 382 , 12 , 5668 , 5192 , 5138 , 64618 , 223662 , 723411 , 4478221 , 4063968 , 1926597 , 51432425 , 641556291 , 219068464 , 8858565119 , 1750785191
n×2
1328982776
n×3
1993474164
n×4
2657965552
n×5
3322456940
n÷2
332245694
n÷3
221497129.33333
n÷3
166122847
n÷5
132898277.6
n2
441548804726166544
n3
2.9340537812223E+26
n4
1.9496534695511E+35
n5
1.295527940101E+44
2 √n
25777.730466432
3 √n
872.62928897449
4 √n
160.55444704658
5 √n
58.143058247449
1 , 2 , 4 , 11 , 22 , 44 , 15102077 , 30204154 , 60408308 , 166122847 , 332245694 , 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
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
md5
d50acd30a0b2b16c45a27d2fda05b5e7
sha1
1a581187de229b4dcc94b88c07edec24790be0be
sha256
dd8bc1adbcbd005915cc2b33e5ec25cfe731e239176881b2559380d4307e326d
sha512
581858eab65d956fff5284d149bb574f6f84550150a992c2a8d634175010b4e17041cfd843b99ae63d42f27088f53882065fb21a02d38dd464c8dfc91f8213ee
ripemd-160
6773ffc140e62bb8eed0a3c16af1f5dbf4f06657
Diameter
1328982776
Circumference
4175122525.829
Area
1.3871664811291E+18
Volume
1.22901357391E+27
Surface area
5.5486659245163E+18
Circumference
4175122525.829
Perimeter
2657965552
Area
441548804726166544
Diagonal
939732732.98972
Surface area
2649292828356999264
Volume
2.9340537812223E+26
Space diagonal
1150932845.208
Perimeter
1993474164
Area
1.9119624095176E+17
Altitude
575466422.60398
Surface area
1.9119624095176E+17
Volume
3.4578155417805E+25
Height
313244244.32991