664179621 is an odd 9-digits composite number following 664179620
and preceding 664179622 . In scientific notation, it is written as 6.64179621 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 379531200 positive integers (up to 664179621) that are relatively prime to 664179621.
664179621 has 8 divisors, whose sum is 1012083264
The reverse of 664179621 is 126971466
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred sixty-four million one hundred seventy-nine thousand six hundred twenty-one
Scientific notation
6.64179621 × 10^8
Engineering notation
6.64179621 × 10^6
Prime Factorization
3 × 7 × 31627601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664179621
Product of the distinct prime numbers
The prime factorization of 664179621 is 3 × 7 × 31627601.
Since it has a total of 3 prime factors.
1 , 5 , 67 , 10 , 381 , 985 , 6659 , 4395 , 21530 , 85835 , 783108 , 804260 , 5160873 , 4014445 , 99183074 , 53950591 , 820503767 , 259601803 , 6528211182 , 4257847376
n×2
1328359242
n×3
1992538863
n×4
2656718484
n×5
3320898105
n÷2
332089810.5
n÷3
221393207
n÷3
166044905.25
n÷5
132835924.2
n2
441134568951703641
n3
2.9299259081634E+26
n4
1.9459970792421E+35
n5
1.2924916025581E+44
2 √n
25771.682541115
3 √n
872.49279381464
4 √n
160.53561144218
5 √n
58.137601294934
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
-664179620
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 664179621 can be divided by 8 positive divisors.
The sum of these divisors (counting 664179621) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100101101001001110100101
3
Ternary
1201021202211011020
4
Quaternary
213211221032211
5
Quinary
2330012221441
6
Senary
145523401353
8
Octal
4745511645
10
Decimal
664179621
12
Duodecimal
166523259
16
Hexadecimal
279693a5
20
Vigesimal
a7b2911
36
Base36
azfo9x
md5
c313c0ad8ba8b3f06db2530a3fadc8ce
sha1
f6fc4cf556554066e7784468f66b5eedf1383763
sha256
319377be15e5955a8a6d06cc484c07e54b8cdc8f41273e536bcfd0248cf51347
sha512
8b5ecdd4e4d16c4697d56c4d8a5382b48fc88bec8d750a77d67ee06f6212d7ab8c84dd928bf823c1f235fc565cf824692ec689a3068b2c72bfc9395ed1c25356
ripemd-160
65f659e05cf13ed9d237fbc030201f6776e14eff
Diameter
1328359242
Circumference
4173163635.9953
Area
1.3858651210632E+18
Volume
1.2272844944865E+27
Surface area
5.5434604842527E+18
Circumference
4173163635.9953
Perimeter
2656718484
Area
441134568951703641
Diagonal
939291827.87002
Surface area
2646807413710221846
Volume
2.9299259081634E+26
Space diagonal
1150392848.9238
Perimeter
1992538863
Area
1.9101687159984E+17
Altitude
575196424.46192
Surface area
1.9101687159984E+17
Volume
3.4529507967275E+25
Height
313097275.95667