664839988 is an even 9-digits composite number following 664839987
and preceding 664839989 . In scientific notation, it is written as 6.64839988 × 10^8.
The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors.
There are 332354432 positive integers (up to 664839988) that are relatively prime to 664839988.
664839988 has 12 divisors, whose sum is 1163699460
The reverse of 664839988 is 889938466
Previous prime number is 6269
Is Prime? no
Number parity even
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-four million eight hundred thirty-nine thousand nine hundred eighty-eight
Scientific notation
6.64839988 × 10^8
Engineering notation
6.64839988 × 10^6
Prime Factorization
2 × 2 × 6269 × 26513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
332419994
Product of the distinct prime numbers
The prime factorization of 664839988 is 2 × 2 × 6269 × 26513.
Since it has a total of 4 prime factors.
3 , 3 , 30 , 2 , 389 , 142 , 278 , 7154 , 65662 , 71518 , 210587 , 892144 , 626873 , 5371110 , 58689759 , 59645002 , 546992264 , 364607502 , 424693445 , 188731271
n×2
1329679976
n×3
1994519964
n×4
2659359952
n×5
3324199940
n÷2
332419994
n÷3
221613329.33333
n÷3
166209997
n÷5
132967997.6
n2
442012209643840144
n3
2.9386739215546E+26
n4
1.9537479347423E+35
n5
1.2989297534891E+44
2 √n
25784.491230195
3 √n
872.78185949471
4 √n
160.57550009324
5 √n
58.149157474177
1 , 2 , 4 , 6269 , 12538 , 25076 , 26513 , 53026 , 106052 , 166209997 , 332419994 , 664839988
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
-664839987
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 664839988 can be divided by 12 positive divisors.
The sum of these divisors (counting 664839988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111101000001010011100110100
3
Ternary
1201100000101000021
4
Quaternary
213220022130310
5
Quinary
2330144334423
6
Senary
145545454524
8
Octal
4750123464
10
Decimal
664839988
12
Duodecimal
1667a1444
16
Hexadecimal
27a0a734
20
Vigesimal
a7f4jj8
36
Base36
aztttg
md5
e45800d1cb95f453bd7c2d6eb903c48c
sha1
f1d5b81b703a0cd01165964e8341ae67bb3b5287
sha256
b6941787f3be7643119d0ad37d2a2b6dc28030224914a8f10036acce9edb12c3
sha512
58433471a8d164a94169d1f63113238ff8af743a70d8c5daba091530c0ab7a7a55167e7ff07badb28eaa3f2309d7fcfeb57eb00e1e37814080d2c7c917da97c5
ripemd-160
33176f892fadc9139552c05f5490e9157b0451cc
Diameter
1329679976
Circumference
4177312844.2271
Area
1.3886223106141E+18
Volume
1.2309488537669E+27
Surface area
5.5544892424563E+18
Circumference
4177312844.2271
Perimeter
2659359952
Area
442012209643840144
Diagonal
940225727.83757
Surface area
2652073257863040864
Volume
2.9386739215546E+26
Space diagonal
1151536638.1195
Perimeter
1994519964
Area
1.9139690116723E+17
Altitude
575768319.05974
Surface area
1.9139690116723E+17
Volume
3.4632604293789E+25
Height
313408575.94586