664692987 is an odd 9-digits composite number following 664692986
and preceding 664692988 . In scientific notation, it is written as 6.64692987 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 379824480 positive integers (up to 664692987) that are relatively prime to 664692987.
664692987 has 12 divisors, whose sum is 1030952616
The reverse of 664692987 is 789296466
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred sixty-four million six hundred ninety-two thousand nine hundred eighty-seven
Scientific notation
6.64692987 × 10^8
Engineering notation
6.64692987 × 10^6
Prime Factorization
3 × 7 × 7 × 4521721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
94956141
Product of the distinct prime numbers
The prime factorization of 664692987 is 3 × 7 × 7 × 4521721.
Since it has a total of 4 prime factors.
8 , 3 , 26 , 35 , 167 , 759 , 1371 , 7114 , 35464 , 70481 , 628216 , 819748 , 8173198 , 9102750 , 46795504 , 64152072 , 114118172 , 920495142 , 9829348082 , 6864076087
n×2
1329385974
n×3
1994078961
n×4
2658771948
n×5
3323464935
n÷2
332346493.5
n÷3
221564329
n÷3
166173246.75
n÷5
132938597.4
n2
441816766966982169
n3
2.9367250654197E+26
n4
1.9520205557316E+35
n5
1.2974943738746E+44
2 √n
25781.640502497
3 √n
872.71752859524
4 √n
160.56662325184
5 √n
58.146585805637
1 , 3 , 7 , 21 , 49 , 147 , 4521721 , 13565163 , 31652047 , 94956141 , 221564329 , 664692987
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
-664692986
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 664692987 can be divided by 12 positive divisors.
The sum of these divisors (counting 664692987) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111100111100110100011111011
3
Ternary
1201022201220100210
4
Quaternary
213213212203323
5
Quinary
2330130133422
6
Senary
145542402203
8
Octal
4747464373
10
Decimal
664692987
12
Duodecimal
166730363
16
Hexadecimal
279e68fb
20
Vigesimal
a7e6c97
36
Base36
azqoe3
md5
c7d269f84fdce2cff30b8349d18ecfec
sha1
9608da31f92f6dde64cb5b3a288b005f8dad526b
sha256
408f5bff26c9f584ebeca60f79725b0b2cb8e8f617458d83342466501bfa2e31
sha512
55c15c412f318e9aca08705b6b9c815b581f2c6715fb48e09e0cc3100095feac16514be6c7cc986f1872031237ca1b7fedad35995c9aeb261b48bc7d002ee04d
ripemd-160
103839310223d8f079441999378ae226c1b7ed55
Diameter
1329385974
Circumference
4176389209.7037
Area
1.3880083093363E+18
Volume
1.2301325188181E+27
Surface area
5.5520332373451E+18
Circumference
4176389209.7037
Perimeter
2658771948
Area
441816766966982169
Diagonal
940017837.02968
Surface area
2650900601801893014
Volume
2.9367250654197E+26
Space diagonal
1151282024.9187
Perimeter
1994078961
Area
1.9131227200566E+17
Altitude
575641012.45936
Surface area
1.9131227200566E+17
Volume
3.4609636803979E+25
Height
313339279.00989