668486539 is an odd 9-digits composite number following 668486538
and preceding 668486540 . In scientific notation, it is written as 6.68486539 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 572988456 positive integers (up to 668486539) that are relatively prime to 668486539.
668486539 has 4 divisors, whose sum is 763984624
The reverse of 668486539 is 935684866
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million four hundred eighty-six thousand five hundred thirty-nine
Scientific notation
6.68486539 × 10^8
Engineering notation
6.68486539 × 10^6
Prime Factorization
7 × 95498077
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668486539
Product of the distinct prime numbers
The prime factorization of 668486539 is 7 × 95498077.
Since it has a total of 2 prime factors.
3 , 1 , 32 , 83 , 271 , 640 , 9757 , 4371 , 45382 , 52143 , 590823 , 463813 , 6830932 , 7118382 , 50577066 , 37523322 , 596534311 , 798540166 , 6684073603 , 8381507303
n×2
1336973078
n×3
2005459617
n×4
2673946156
n×5
3342432695
n÷2
334243269.5
n÷3
222828846.33333
n÷3
167121634.75
n÷5
133697307.8
n2
446874252824198521
n3
2.9872942263866E+26
n4
1.9969659783719E+35
n5
1.3349448753826E+44
2 √n
25855.106632927
3 √n
874.37464498011
4 √n
160.79523199687
5 √n
58.212805926532
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668486538
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668486539 can be divided by 4 positive divisors.
The sum of these divisors (counting 668486539) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110110000100101110001011
3
Ternary
1201120212122010201
4
Quaternary
213312010232023
5
Quinary
2332113032124
6
Senary
150155553031
8
Octal
4766045613
10
Decimal
668486539
12
Duodecimal
167a5b777
16
Hexadecimal
27d84b8b
20
Vigesimal
a8i0g6j
36
Base36
b1zzij
md5
8c23e24c60be7fd1d9826da60f747ae8
sha1
362f12419be956e29c482cf69a8488c0a87dd6aa
sha256
f994b806b483a22371c12aea8bfb0ea015e18505f4d4b9d8e413c0f275641184
sha512
82fd33d324de0237f90caa07e07cc9e59ff20140b2496999ce20110e814d5e17304d40eb1ae7289848688a21a74e7cbcf89ed95ae5f174604de1d9f4fdf1605d
ripemd-160
1bdc232447acf1a0bbb6d16077294089f03c98f2
Diameter
1336973078
Circumference
4200224799.8921
Area
1.4038968697509E+18
Volume
1.2513148794303E+27
Surface area
5.6155874790037E+18
Circumference
4200224799.8921
Perimeter
2673946156
Area
446874252824198521
Diagonal
945382729.71765
Surface area
2681245516945191126
Volume
2.9872942263866E+26
Space diagonal
1157852649.7239
Perimeter
2005459617
Area
1.9350222762147E+17
Altitude
578926324.86194
Surface area
1.9350222762147E+17
Volume
3.520560008129E+25
Height
315127576.57255